AL MISNAD WILLICH

Highway, Street, and Bridge Construction

NAICS #2373 |

Specialty Trade Contractors

NAICS #238 | The Specialty Trade Contractors subsector comprises establishments whose primary activity is performing specific activities (e.g., 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. The work performed may include new work, additions, alterations, maintenance, and repairs. The production work performed by establishments in this subsector is usually subcontracted from establishments of the general contractor type or operative builders but, especially in remodeling and repair construction, work also may be done directly for the owner of the property. Specialty trade contractors usually perform most of their work at the construction site, although they may have shops where they perform prefabrication and other work. Establishments primarily engaged in preparing sites for new construction are also included in this subsector.

There are substantial differences in types of equipment, work force skills, and other inputs required by specialty trade contractors. Establishments in this subsector are classified based on the underlying production function for the specialty trade in which they specialize. Throughout the Specialty Trade Contractors subsector, establishments commonly provide both the parts and labor required to complete work. For example, electrical contractors supply the current-carrying and noncurrent-carrying wiring devices that are required to install a circuit. Plumbing, Heating and Air-Conditioning contractors also supply the parts required to complete a contract.

Establishments that specialize in activities primarily related to heavy and civil engineering construction that are not normally performed on buildings, such as the painting of lines on highways are classified in Subsector 237, Heavy and Civil Engineering Construction.

Establishments that are primarily engaged in selling construction materials are classified in Sector 42, Wholesale Trade, or Sector 44-45, Retail Trade, based on the characteristics of the selling unit.

Painting and Wall Covering Contractors

NAICS #23832 | This industry comprises establishments primarily engaged in interior or exterior painting or interior wall covering. The work performed may include new work, additions, alterations, maintenance, and repairs. Painting lines on highways, streets, and parking lots--are classified in Industry 237310, Highway, Street, and Bridge Construction; Roof painting--are classified in Industry 238160, Roofing Contractors; and Installing wood paneling--are classified in Industry 238350, Finish Carpentry Contractors.

Site Preparation Contractors

NAICS #23891 | This industry comprises establishments primarily engaged in site preparation activities, such as excavating and grading, demolition of buildings and other structures, septic system installation, and house moving. Earth moving and land clearing for all types of sites (e.g., building, nonbuilding, mining) is included in this industry. Establishments primarily engaged in construction equipment rental with operator (except cranes) are also included. Earth retention or underwater trenching--are classified in Industry 237990, Other Heavy and Civil Engineering Construction; Crane rental with operator--are classified in Industry 238990, All Other Specialty Trade Contractors; Overburden removal as an activity prior to mineral removal from quarries or open pit mines--are classified in Sector 21, Mining; Drilling oil and gas field water intake wells--are classified in U.S. Industry 213111, Support Activities for Mining; Dismantling tanks in oil fields--are classified in U.S. Industry 213112, Drilling Oil and Gas Wells; Construction equipment rental without an operator--are classified in U.S. Industry 532412, Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing; Tree and brush trimming for overhead utility lines--are classified in Industry 561730, Landscaping Services; and Nuclear power plant decommissioning and environmental remediation work, such as the removal of underground steel tanks for hazardous materials--are classified in Industry 562910, Remediation Services.

All Other Specialty Trade Contractors

NAICS #23899 | This industry comprises establishments primarily engaged in specialized trades (except foundation, structure, and building exterior contractors; building equipment contractors; building finishing contractors; and site preparation contractors). The specialty trade work performed includes new work, additions, alterations, maintenance, and repairs. Foundation, structure, and building exterior work--are classified in Industry Group 2381, Foundation, Structure, and Building Exterior Contractors; Installing, repairing, or maintaining building mechanical systems--are classified in Industry Group 2382, Building Equipment Contractors; Finishing buildings--are classified in Industry Group 2383, Building Finishing Contractors; Paving public highways, streets, and roads--are classified in Industry 237310, Highway, Street, and Bridge Construction; Construction equipment rental with an operator (except cranes) or preparing land for building construction--are classified in Industry 238910, Site Preparation Contractors; Construction equipment rental without an operator--are classified in U.S. Industry 532412, Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing; Radon testing--are classified in Industry 541380, Testing Laboratories; Power washing and other building exterior cleaning (except sandblasting)--are classified in Industry 561790, Other Services to Buildings and Dwellings; and Environmental remediation work, such as asbestos abatement--are classified in Industry 562910, Remediation Services.

Asphalt Shingle and Coating Materials Manufacturing

NAICS #324122 | This U.S. industry comprises establishments primarily engaged in (1) saturating purchased mats and felts with asphalt or tar from purchased asphaltic materials and (2) manufacturing asphalt and tar and roofing cements and coatings from purchased asphaltic materials. Refining crude petroleum and saturating purchased mats and felts with asphalt or tar into rolls and sheets and/or refining crude petroleum and manufacturing asphalt and tar roofing cements and coatings--are classified in Industry 324110, Petroleum Refineries; and Manufacturing paper mats and felts and saturating them with asphalt or tar into rolls and sheets--are classified in U.S. Industry 322121, Paper (except Newsprint) Mills.

Clay Product and Refractory Manufacturing

NAICS #3271 |

Cement Manufacturing

NAICS #32731 | This industry comprises establishments primarily engaged in manufacturing portland, natural, masonry, pozzalanic, and other hydraulic cements. Cement manufacturing establishments may calcine earths or mine, quarry, manufacture, or purchase lime. Mining or quarrying limestone--are classified in U.S. Industry 212312, Crushed and Broken Limestone Mining and Quarrying; Manufacturing lime--are classified in Industry 327410, Lime Manufacturing; Manufacturing ready-mix concrete--are classified in Industry 327320, Ready-Mix Concrete Manufacturing; and Manufacturing dry mix concrete--are classified in U.S. Industry 327999, All Other Miscellaneous Nonmetallic Mineral Product Manufacturing.

Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers

NAICS #332812 | This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) enameling, lacquering, and varnishing metals and metal products; (2) hot dip galvanizing metals and metal products; (3) engraving, chasing, or etching metals and metal products (except jewelry; personal goods carried on or about the person, such as compacts and cigarette cases; precious metal products (except precious plated flatware and other plated ware); and printing plates); (4) powder coating metals and metal products; and (5) providing other metal surfacing services for the trade. Both fabricating and coating and engraving products--are classified in the Manufacturing sector according to the product made; Engraving, chasing or etching jewelry, metal personal goods, or precious metal products (except precious plated metal flatware and other plated ware)--are classified in Industry 33991, Jewelry and Silverware Manufacturing; and Engraving, chasing or etching printing plates--are classified in U.S. Industry 323122, Prepress Services.

Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers

NAICS #42381 | This industry comprises establishments primarily engaged in the merchant wholesale distribution of specialized machinery, equipment, and related parts generally used in construction, mining (except oil well) and logging activities. Establishments primarily engaged in the merchant wholesale distribution of oil well machinery and equipment are classified in Industry 423830, Industrial Machinery and Equipment Merchant Wholesalers.

Service Establishment Equipment and Supplies Merchant Wholesalers

NAICS #42385 | This industry comprises establishments primarily engaged in the merchant wholesale distribution of specialized equipment and supplies of the type used by service establishments (except specialized equipment and supplies used in offices, stores, hotels, restaurants, schools, health and medical facilities, photographic facilities, and specialized equipment used in transportation and construction activities). Merchant wholesale distribution of janitorial and automotive chemicals--are classified in Industry 424690, Other Chemical and Allied Products Merchant Wholesalers; Merchant wholesale distribution of piece goods, fabrics, knitting yarns (except industrial), thread and other notions--are classified in Industry 424310, Piece Goods, Notions, and Other Dry Goods Merchant Wholesalers; and Merchant wholesale distribution of industrial yarns--are classified in Industry 424990, Other Miscellaneous Nondurable Goods Merchant Wholesalers.

Building Material and Supplies Dealers

NAICS #4441 | This industry group comprises establishments primarily engaged in retailing new building materials and supplies.

Engineering Services

NAICS #54133 | This industry comprises establishments primarily engaged in applying physical laws and principles of engineering in the design, development, and utilization of machines, materials, instruments, structures, processes, and systems. The assignments undertaken by these establishments may involve any of the following activities: provision of advice, preparation of feasibility studies, preparation of preliminary and final plans and designs, provision of technical services during the construction or installation phase, inspection and evaluation of engineering projects, and related services. Planning and designing computer systems that integrate computer hardware, software, and communication technologies--are classified in U.S. Industry 541512, Computer Systems Design Services; Performing surveying and mapping services of the surface of the earth, including the sea floor,--are classified in Industry 541370, Surveying and Mapping (except Geophysical) Services; Gathering, interpreting, and mapping geophysical data--are classified in Industry 541360, Geophysical Surveying and Mapping Services; Creating and developing designs and specifications that optimize the use, value, and appearance of products--are classified in Industry 541420, Industrial Design Services; Providing advice and assistance to others on environmental issues, such as the control of environmental contamination from pollutants, toxic substances, and hazardous materials-- are classified in Industry 541620, Environmental Consulting Services; and 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.

Surveying and Mapping (except Geophysical) Services

NAICS #54137 | This industry comprises establishments primarily engaged in performing surveying and mapping services of the surface of the earth, including the sea floor. These services may include surveying and mapping of areas above or below the surface of the earth, such as the creation of view easements or segregating rights in parcels of land by creating underground utility easements. Providing geophysical surveying and mapping services--are classified in Industry 541360, Geophysical Surveying and Mapping Services; and Publishing atlases and maps, except for exclusive Internet publishing--are classified in U.S. Industry 511130, Book Publishers; and Publishing atlases and maps exclusively on the Internet--are classified in U.S. Industry 516110, Internet Publishing and Broadcasting.

Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

NAICS #8113 |