general contractor naics. and States: 2012; EC1223SG03 - Construction: Summary. general contractor naics

 
 and States: 2012; EC1223SG03 - Construction: Summarygeneral contractor naics General Contractor – Single Family: 1531: Operative Builders: 1541: General Contractor – Industrial Building: 1542: Painting, Paper Hanging and Decorating:

Included in this industry group are residential housing general contractors, operative builders and. economic. Specialty trade contractors are included in this industry. In a general construction contract, the primary and vital requirements of the contract are the management,. Mod/LCM reset. S. MAS- PS Old SIN to New SIN/ NAICS Code Crosswalk Table. Building single-family houses for others as general contractors--are classified in U. 1623 - Water, Sewer, Pipeline, and Communications and Power Line Construction. The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U. 238330. 1521 General Contractors-Single-Family Houses General contractors primarily engaged in construction (including new work, additions, alterations, remodeling, and repair) of single-family houses. for "general-contractor". 242. Prime contractors work directly with the government. Examples: Handyman construction service, commercial and institutional building. industry comprises general contractor establishments primarily responsible for the entire construction of new single-family housing, such as single-family detached houses and town houses or row houses where each housing unit (1) is separated from its neighbors by a ground-to-roof wall and (2) has no housing units constructed above or. Robert Ganter Contractors Inc. Water well drilling, digging, boring or sinking (except water intake wells in oil and gas fields)A&E General Contractors, Inc is a profitable, high performance general contracting firm with top tier human resources. Included are nonresidential buildings, such as commercial, institutional, religious, and amusement and recreational buildings. Most charge a markup, which is a percentage of the overall completed project cost. Industry Comprises General Contractor Establishments Primarily Responsible For The Entire Construction Of New Single - Family Housing, Such As Single - Family Detached Houses and Town Houses or Row Houses. e. e. Providing construction management--are classified in Sector 23, Construction, by type of construction project managed; Providing farm management--are classified in U. Builders, developers, and general contractors, as well as land subdividers and land developers are included in this subsector. Industry 236116, New Multifamily Housing Construction (except For-Sale Builders); NAICS for "general-contractor". industry comprises establishments primarily engaged in operating, maintaining, and/or providing access to transmission facilities and infrastructure that they own and/or lease for the transmission of voice, data, text, sound, and video using wired telecommunications networks. This industry group includes nonresidential general contractors, nonresidential for-sale builders, nonresidential design-build firms, and nonresidential project construction management firms. July 02, 2021 [PDF, 372KB] North American Industry Classification System (NAICS) Updates for 2022; Update of Statistical Policy Directive No. Speciality: NAICS 484110 General freight trucking, local NAICS 484121 General freight trucking, long-distance, truckload NAICS 484122 General freight trucking, long-distance, less-than-truckload NAICS 488510 Freight Transportation Arrangement NAICS 488991 Packing and Crating NAICS 492210 Restaurant meals delivery services (i. Contractors in this industry may provide both parts and labor when performing work. Brazing (welding) Welding shops, including automotive. Construction Code 230000 Construction 236000 Construction of buildings Manufacturing Code 310000 Manufacturing 323100 Printing and related support activities 339110 Medical equipment and supplies manufacturing Wholesale Trade Code 423000 Merchant wholesalers, durable goods 424000 Merchant wholesalers, nondurable goods. Establishments primarily engaged in manufacturing precast terrazzo. It is part of the Foundation, Structure, and Building Exterior Contractors (2381) Industry Group, and part of the Construction (23) Sector. For general information contact: The TSCA-Hotline, ABVI-Goodwill, 422 South Clinton Ave. 238220 - Plumbing, Heating, and Air-Conditioning Contractors. Very professional, Excellent workmanship, Hoover General Contractors was an absolute pleasure to work with. 238210 Electrical Contractors and Other Wiring Installation Contractors $19. 2361. However, if an 8(a) contractor rerepresents that it is other than small for the NAICS code(s) assigned under the contract in accordance with 19. 236115 - New Single-Family Housing Construction (except For-Sale Builders)Determine your line of business and NAICS code: For more information go to: Line of Business / Alaska NAICS Code;. 315210 - Cut and Sew Apparel Contractors. Vol. NAICS Codes: Decoded. General building contractors who combine a special trade with the contracting are included. Major Group: 15—Building Construction General Contractors And Operative Builders This major group includes general contractors and operative builders primarily engaged in the construction of residential, farm, industrial, commercial, or other buildings. Contractors in this industry may provide both parts and labor when performing work. The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U. NAICS was developed under the auspices of the Office of Management and Budget. Unimech Inc. 15) at the task order level. The description for the NAICS Code 238350 - Finish Carpentry Contractors is: This Industry Comprises Establishments Primarily Engaged In Finish Carpentry Work. general contractor, residential • building repairs, residential (except single. 86, No. For general information contact: The TSCA-Hotline, ABVI-Goodwill, 422 South Clinton Ave. Contractors . Classifications may include: NAICS 236220 – Commercial and Institutional Building ConstructionThis industry group includes nonresidential general contractors, nonresidential for-sale builders, nonresidential design-build firms, and nonresidential project construction management firms. 2007 NAICS 2012 NAICS 2017 NAICS Index Entries for 541330; 541330: 541330: 541330: Acoustical engineering consulting services: 541330: 541330: 541330:6013 W. OASIS Pool 1 - Management/Scientific/Technical Services This Pool comprises efforts primarily engaged in applying physical laws and principles of engineering in the design, development, and. NAICS 2017 NAICS Index Entries for 238320; 238320:. The term construction includes new work, additions, alterations, reconstruction, installations, and repairs. 3339. 10,000 individual code classifications that are being continually updated, offer. Industries within NAICS 236000 - Construction of Buildings. General contractors and special trade contractors primarily engaged in. 237110. The SIN for general engineering services is 541330ENG and the NAICS is 541330. General and special trade contractors primarily engaged in the construction of water and sewer mains, pipelines, and communications and power lines. 20%: $44. This industry comprises establishments primarily engaged in heavy and engineering construction projects (excluding highway, street, bridge, and distribution line construction). 2007. Farm - Vegetable & Drivers. Note: Three sectors are represented by a range of 2-digit codes. The related SIC Code (s) for NAICS Code 236118 - Residential Remodelers is: Description for 1521 General Contractors-Single-Family Houses. NAICS. 562211 – Disaster Relief Services. Foundation, Structure, and Building Exterior Contractors. Buy Business List - SIC 1711. The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U. The work performed may include new work, additions, alterations, maintenance, and repairs. Top Businesses by Annual Sales for 238390 – Click for Complete Profiles: Leaffilter North LLC. Any work that a similarly situated subcontractor further subcontracts will count towards the. S. Washington, DC 20416. Federal Data Systems LLC. " Brenda B. The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments to collect, analyze, and publish. ; OASIS Small Business is a 100 percent Small Business Set-Aside contract (FAR 19. NAICS Industry: 5-digit code. Farm - Vegetable & Drivers. , new construction, remodeling or renovating existing. Industry Group: 4-digit code. Common types of business activities within NAICS Code 236220 - Commercial and Institutional Building Construction are: Warehouse, industrial, construction. Addition, alteration and renovation, commercial warehouse. The related SIC Code (s) for NAICS Code 236118 - Residential Remodelers is: Description for 1521 General Contractors-Single-Family Houses. Note: Three sectors are represented by a range of 2-digit codes. NAICS Canada 2022 Version 1. 8 thru FAR 19. Codes Titles US Business Entities; 2383: Building Finishing Contractors : 179,939:NAICS 2361 - Residential Building Construction. 2. 0 238320 Painting and Wall Covering Contractors $19. Construction activities are generally administered or managed from a relatively fixed place of business, but the actual construction. Understand what a NAICS code is and why it’s important for federal government acquisitions. , Rochester, NY 14620; telephone number: (202) 554–. service@gsa. Included in this industry are residential housing general contractors (i. Industry Group: 4-digit code. NAICS 2017 NAICS Index Entries for 236210; 236210: 236210:. Contractors in this industry may provide both parts and labor when performing work. ISO General Liability Class Codes are a standardized system of numerical codes used by insurance companies to classify different types of businesses and their potential liability risks. 2389 - Other Specialty Trade Contractors Top Businesses by Annual Sales for 2389 – Click for Complete Profiles: API Group Corporation: Keller Management Services LLC:. This industry comprises establishments primarily engaged in installing and servicing plumbing, heating, and air-conditioning equipment. NAICS Codes that fall under 2389 - Other Specialty Trade Contractors . Nothing found! A searchable list of General Liability industry codes for finding the best GL ISO classification codes. , pouring concrete, site preparation, plumbing, painting, and electrical work) involved in building construction or other activities that are similar for all types of construction, but that are not responsible for the entire project. business economy. 561210 – Facilities Support Services. ; OASIS 8(a) were developed to provide the 8(a) community expanded access to the OASIS Best-in-Class. HIGHWAY HEAVY AND FAA107 DRONE OPERATOR. for "concrete-construction". General Help. To use this document, please click on NAICS Section code in which you are engaged. Special trade contractors primarily engaged in construction work, not elsewhere classified, such as construction of swimming pools and fences, erection and installation of ornamental metal work, house. 13. 238910. We have proven ourselves to be capable of executing highly profitable public and private construction contracts with significant experience in government, military and municipal contracting. § 121. Associated Builders and Contractors (ABC) is a national trade association that advances and defends the principles of the merit shop in the construction industry, representing merit shop contractors, subcontractors, material suppliers and related firms in the United States. com General contractors primarily engaged in the construction (including new work, additions, alterations, remodeling, and repair) of nonresidential buildings, other than industrial buildings and warehouses. General contractors primarily engaged in construction (including new work, additions, alterations, remodeling, and repair) of residential buildings other than single-family houses. (NAICS) codes for industries with a days away, restricted, or transferred (DART) occupational. Establishments in this industry do not provide operating staff. E-mail: oasis@gsa. Department of Labor Statistics to classify businesses into industries based on their production processes and products. Repairing Remodeling Contractor. These establishments may operate on their own account or under contract to other. gov: MAS:. Find Companies, Matching SIC and NAICS Codes for general contractor from 15 Million Business Records and 10,000 Industries. Buyers and Purchasing Agents, Farm Products. The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U. New residential construction in 46 states. The overarching theme to the updates is the digital economy. 315210 - Cut and Sew Apparel Contractors. 238190 Other Foundation, Structure, and Building Exterior Contractors . A full table matching a size standard with each NAICS Industry or U. Check out the information below to get started. Index Entries for 238330. Application Fee – $300. The classification concept for NAICS leads to production of data that facilitate such analyses. 236210-04 - Sewage Treatment Plant Contractors. NAICS 23611 - Residential Building Construction. One Acquisition Solution for Integrated Services (OASIS) Category. Contractor Contract # Phone City, State Socio-Economic Contractor T&Cs /Pricelist View Catalog; 1 SOURCE CONSULTING, INC. CALL US NOW (256) 539-1944. This U. The NAICS System was developed for use by Federal Statistical Agencies for the collection, analysis and publication of statistical data related to the US Economy. General contractors primarily engaged in construction (including new work, additions, alterations, remodeling, and repair) of single-family houses. 236220 - Commercial and Institutional Building Construction. Sandblasting building exteriors--are classified in Industry 238990, All Other Specialty Trade Contractors. These SINs are NAICS based and assist the ordering activity in applying the proper NAICS code for the order. AGC of America is the leading association for the construction industry. Other Heavy and Civil Engineering Construction. gov. 0 238330 Flooring Contractors $19. This U. The above Crosswalk Table has been excerpted from the Available Offerings and. This industry comprises establishments commonly referred to as contractors primarily engaged in (1) cutting materials owned by others for apparel and accessories and/or (2) sewing materials owned by others for apparel and accessories. As a result, the revised text of FAR 19. The table of size standards can also be found online in the small business size regulations set forth in the Electronic Code of Federal Regulations. NAICS. G4s Holding One Inc. What is NAICS 541611? NAICS 541611, Management Consulting Services, is the largest NAICS code it terms of spend for the category at $4. 9, Standard Industrial Classification of Enterprises; Notice. Residential Building Construction. 237110. business economy. Menu Close SIC Codes. . Other Heavy and Civil Engineering Construction. for "general contractor". Saving energy (utility costs and environmental stewardship can be both be. Peach State Roofing Inc. Size standards vary by industry and are generally based on the number of employees or the amount of annual receipts the. , adding on, remodeling, renovating), single-family housing, general contractors:The classification structure reflects the classes and subclasses listed in Schedule 1. Annual revenues up to $3M. Sandblasting building exteriors--are classified in Industry 238990, All Other Specialty Trade Contractors. , single-family type) construction by general contractorsNAICS 236100 - Residential Building Construction is part of: NAICS 236000 - Construction of Buildings. NAICS is the product of a collaborative effort between the United States (U. 515), the agency may. NAICS 238110 - Poured Concrete Foundation and Structure Contractors These national industry-specific occupational employment and wage estimates are calculated with data collected from employers of all sizes, in metropolitan and nonmetropolitan areas in every state and the District of Columbia, in NAICS 238110 -. Water well pump and well piping system installation. NAICS Code 236220 – Commercial and Institutional Building Construction. Bright Sheet Metal Company Inc. 8, Standard Industrial Classification of Establishments; and Elimination of Statistical Policy Directive No. NAICS. S. 236116. National Industry: 6-digit code. 2012 NAICS Descriptions: 452319: All Other General Merchandise Stores: 452990: All Other General Merchandise Stores: 517311: Wired Telecommunications Carriers: 517110. Building single-family houses for others as general contractors--are classified in U. General and special trade contractors primarily engaged in the construction of water and sewer mains, pipelines, and communications and power lines. NAICS Codes that fall under 238 - Specialty Trade Contractors. 175,458. Buildings are distinguished by their primary function, such as residential, commercial and industrial. 2007. Machinery, construction (except cranes), rental with operator. This is because the definition of a general contractor is relatively broad, covering a wide variety of entities and individuals who focus on projects both large and small. North American Industry Classification System (NAICS) Canada 2017 Version 1. There are substantial differences in the types of equipment, work force skills, and other inputs required by establishments in this sector. This U. 238120. industry comprises establishments primarily responsible for the remodeling construction (including additions, alterations, reconstruction, maintenance, and repair work) of houses and other residential buildings, single-family, and multifamily. Others have two or more, depending on the type of business, operations performed, and classifications that apply. Find industry codes related to the GL Code 94276. Vol. 409 3rd St. 238220 - Plumbing, Heating, and Air-Conditioning Contractors. The business address is 1081 Fort St, Victoria, BC V8V 3K5. SECTOR TITLE. 238210 Electrical Contractors and Other Wiring Installation Contractors $19. Workers Comp Class Description. NAICS Codes: Decoded. Architectural sheet metal work—contractors. More info (Alt + →)Line slashing or cutting (except maintenance) 238910. July 02, 2021 [PDF, 372KB] North American Industry Classification System (NAICS) Updates for 2022; Update of Statistical Policy Directive No. General and special trade contractors primarily engaged in the construction of water and sewer mains, pipelines, and communications and power lines. Apartment building construction—general contractors. Others have two or more, depending on the type of business, operations performed, and classifications that apply. NAICS industry codes. Tractor, farm or construction equipment repair and maintenance services: 811310: 811310: 811310: Truck refrigeration repair and maintenance services: 811310: 811310: 811310: Waterless fire suppression system repair and maintenance, without installation: 811310: 811310: 811310: Welding repair services (e. New Single-Family Housing Construction (except For-Sale Builders) 362,729. It is part of the Building Finishing Contractors (2383) Industry Group, and part of the Construction (23) Sector. Vol. 508,034. Petersen-Dean Inc. For general contractors working on commercial, non-residential. The NAICS code 236116 is described as New Multifamily Housing Construction (except For-Sale Builders). These SINs are NAICS based and assist the ordering activity in applying the proper NAICS code for the order. Should you have any issues correcting your assigned NAICS codes or have any other questions, please contact Lindsay Taft ([email protected] Code 2362 Description. Excess Liability up to $5M. The NAICS code 238320 is described as Painting and Wall Covering Contractors. S. The license issue. Learn more about the NAICS 238120 in the Construction sector and its related General Liability, NCCI, and SIC codes. Buy Business List - SIC 1542. 125. General contractors have unique risks. Special trade contractors primarily engaged in the construction of private driveways and sidewalks are classified. 2018-03-23. NAICS CODES. Business & Professions Code Division 3, Chapter 9. e. 2023-06-01. NAICS 2017 NAICS Index Entries for 561790; 561790: 561790: 561790: Building exterior cleaning services (except sandblasting, window cleaning) 561790: 561790: 561790: Building gas systems conversion (e. More SOC Codes for "general contractor". 8, Standard Industrial Classification of Establishments; and Elimination of Statistical Policy Directive No. : This industry comprises establishments primarily engaged in the construction of water and sewer lines, mains, pumping stations, treatment plants, and storage tanks. , from manufactured to natural. Included in this industry are commercial and institutional building general contractors, commercial and institutional building for-sale builders, commercial and institutional. If Firm Q performs code 238210 specialty and other work described in code 237310, only the non-electrical work counts. For the specialty trade contractor industries (NAICS 238), BLS uses six-digit NAICS codes ending in “1” for residential construction units and “2” for nonresidential construction units, instead of “0. Find Matching NAICS Codes for fire-sprinkler, With Definition and Examples. (855) 767-7828 Get My Quote. 2379. General Contractor, Construction, Building and Construction. Addition, alteration and renovation, general contractor s, commercial and institutional building. for "independent contractors". NAICS Codes. industry comprises general contractor establishments primarily responsible for the entire construction of new single-family housing, such as single-family detached houses and town houses or row houses where each housing unit (1) is separated from its neighbors by a ground-to-roof wall and (2) has. 236210. North American Industry Classification System (NAICS) Canada 2012 - This sector comprises establishments primarily engaged in constructing, repairing and renovating buildings and engineering works, and in subdividing and developing land. S. Vol. Kirk & Blum Manufacturing Co. 921190. NAICS codes are reviewed and revised every five years to keep the classification system current with changes in economic activities. 237110. Vol. Email: hubzone@sba. 0 238310 Drywall and Insulation Contractors $19. These establishments may operate on their own account or under contract to other establishments. Prime contractors work directly with the government. 201 provides a full table of small business size standards matched to the U. 1542. This U. , high-rise, garden, town house apartments, and condominiums where each unit is not separated from its neighbors by a ground-to-roof wall). The description for the NAICS Code 238150 - Glass and Glazing Contractors is: This Industry Comprises Establishments Primarily Engaged In Installing Glass Panes In Prepared Openings (i. In a case where an individual is primarily involved in building a factory or warehouse then NAICS code 236210. ADDRESS. Alternatively search for "general-contractor" in Extended SIC Codes. NAICS Code Commercial General Contractors In general construction, the NAICS Code is 236220. Get started now!Phone: (800) 488-3111. • FAR 19. Description. e. 237110 237120 . The first two digits, 23, is the Line of Business code for construction. 5 million size standard. It is part of the Residential Building Construction (2361) Industry Group, and part of the Construction (23) Sector. 94 MB : Feb 9, 2023 : PSC April 2022. This includes General Liability, NAICS, and state and NCCI Class Codes. The related SIC Code (s) for NAICS Code 238340 - Tile and Terrazzo Contractors is: Special trade contractors primarily engaged in setting and installing ceramic tile, marble, and mosaic, and in mixing marble particles and cement to make terrazzo at the site of construction. S. Examples: Aqueduct construction - general contractors, Cable laying. SIC Code 1521: Construction of single-family houses, SIC Code Details and Description. Built-in wood cabinets. North American Industry Classification System (NAICS) Canada 2022 Version 1. This industry comprises establishments commonly referred to as contractors primarily engaged in (1). and States: 2012; EC1223SG03 - Construction: Summary. NAICS for "roofing contractor". The specific SIC Code for home builders is SIC Code 152112. 6%: 3. 86, No. building Alterations, Single - Family - General Contractors. 315210 - Cut and Sew Apparel Contractors. . 1623 - Water, Sewer, Pipeline, and Communications and Power Line Construction. 15420000 Nonresidential Construction, Nec. 125. S. The four-digit code includes the industry group. industry comprises general contractor establishments primarily responsible for the construction of new. g. Learn more about the structure of NAICS codes. g. Mod/LCM reset. These establishments may operate on their own account or under contract to other. Included in this industry are remodeling general contractors, for-sale remodelers, remodeling design-build firms, and remodeling project construction management firms. 6 Billion in FY 18. Establishments primarily engaged in serving as American Indian or Alaska Native tribal leadership are classified in Industry 921150, American Indian and Alaska Native Tribal Governments. It is part of the Building Finishing Contractors (2383) Industry Group, and part of the Construction (23) Sector. The markup amount covers their overhead, including advertising, insurance, office expenses, and their own salary. Subsector: 3-digit code. Focus on networking with other contractors currently doing business at DOE. This U. 99988. You can enter your NAICS code into the NAICS to SIC Crosswalk tool to find the corresponding SIC Codes. Wrecking--Buildings or Structures. Cross Reference. Use the first two to find the broad category your business belongs to, such as Agriculture, Forestry, Fishing, and Hunting (11) or Accommodation, Food Services, & Drinking Places (72). Ahlers & Cressman PLLC’s lawyers have been assisting numerous general contractors, and small women and minority owned firms with their DBE questions over the last twenty-five years. Exterior Painting for buildings or structures three stories or less – > General Liability Class Code 98304Prime contracting. Construction Code 230000 Construction 236000 Construction of buildings Manufacturing Code 310000 Manufacturing 323100 Printing and related support activities 339110 Medical equipment and supplies manufacturing Wholesale Trade Code 423000 Merchant wholesalers, durable goods 424000 Merchant wholesalers, nondurable goods Retail Trade Code 441100. This industry comprises establishments commonly referred to as contractors primarily engaged in (1) cutting materials owned by others for apparel and accessories and/or (2) sewing materials owned by others for apparel and accessories. S. Section 121. NAICS. What is Naics 237110? 237110. 0 is the biggest revision to NAICS since 2002. The work performed may include new work, reconstruction, rehabilitation, and repairs. General contractors primarily engaged in the construction (including new work, additions, alterations, remodeling, and repair) of nonresidential buildings, other than industrial buildings and warehouses. Both the design and construction of buildings, highways, and other structures or in managing construction projects--are classified in Sector 23, Construction, according to the type of project. industry comprises establishments primarily responsible for the remodeling construction (including additions, alterations, reconstruction, maintenance and repair work) of houses and other residential buildings, single-family and multifamily. The contractor should outline all payments and expenses in the contract at the outset. Instead, the appropriate NAICS code is 238220. 2017. Section 121. It is part of the Foundation, Structure, and Building Exterior Contractors (2381) Industry Group, and part of the Construction (23) Sector. As long as each concern is small under the size standard corresponding to the NAICS code assigned to the contract (or the prime contractor is small if the subcontractor is the SBA. General Liability. The District of Columbia defines a “general contractor/construction manager” under NAICS Code 23-238990 as “any person who, for a fee, is contracted to do construction on real property owned, controlled, or leased by another person of commercial, industrial, institutional, governmental, residential or accessory use buildings or structures. 238210 Electrical Contractors and Other Wiring Installation Contractors . S. This Industry comprises establishments primarily responsible for the construction or remodeling and renovation of single-family and multifamily residential buildings. 7,993. e. Illustrative Examples: Bridge painting Paperhanging or removal contractors House painting Ship painting contractors Paint and wallpaper stripping Wallpaper hanging and removal contractors Cross-References. Transportation Maryland Dept. 4 Federal Supply Schedules, GSA Multiple Award Schedule offers federal agencies. July 02, 2021 [PDF, 372KB] North American Industry Classification System (NAICS) Updates for 2022; Update of Statistical Policy Directive No. Building alterations, single-family-general contractors. 1623 - Water, Sewer, Pipeline, and Communications and Power Line Construction. 0 238310 Drywall and Insulation Contractors $19. 0 - This sector comprises establishments primarily engaged in constructing, repairing and renovating buildings and engineering works, and in subdividing and developing land. General and Operations Managers: detail: 25,600: 3. . A - General Engineering Contractor. General and special trade contractors primarily engaged in the construction of heavy projects, not elsewhere classified.