CENTAUR STEEL CONSTRUCTION

Foundation, Structure, and Building Exterior Contractors

NAICS #2381 | This industry group comprises establishments primarily engaged in the specialty trades needed to complete the basic structure (i.e., foundation, frame, and shell) of buildings. The work performed may include new work, additions, alterations, maintenance, and repairs.

Structural Steel and Precast Concrete Contractors

NAICS #23812 | This industry comprises establishments primarily engaged in: (1) erecting and assembling structural parts made from steel or precast concrete (e.g., steel beams, structural steel components, and similar products of precast concrete); and/or (2) assembling and installing other steel construction products (e.g., steel rods, bars, rebar, mesh, and cages) to reinforce poured-in-place concrete. The work performed may include new work, additions, alterations, maintenance, and repairs. Establishments primarily engaged in pouring concrete at the construction site for building foundations or structural elements are classified in Industry 238110, Poured Concrete Foundation and Structure Contractors.

Electrical Contractors

NAICS #23821 | This industry comprises establishments primarily engaged in installing and servicing electrical wiring and equipment. Electrical contractors included in this industry may include both the parts and labor when performing work. Electrical contractors may perform new work, additions, alterations, maintenance, and repairs. Installing and maintaining telecommunications lines by telecommunications companies--are classified in Subsector 517, Telecommunications; Constructing power and communication transmission lines--are classified in Industry 237130, Power and Communication Line and Related Structures Construction; and Burglar and fire alarm installation combined with sales, maintenance, or monitoring services--are classified in U.S. Industry 561621, Security Systems Services (except Locksmiths).

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.

Flooring Contractors

NAICS #23833 | This industry comprises establishments primarily engaged in the installation of resilient floor tile, carpeting, linoleum, and hard wood flooring. The work performed may include new work, additions, alterations, maintenance, and repairs. Laying concrete flooring--are classified in Industry 238110, Poured Concrete Foundation and Structure Contractors; Installing stone or ceramic floor tile--are classified in Industry 238340, Tile and Terrazzo Contractors; and Selling and installing carpet and other flooring products as retail establishments--are classified in Sector 44-45, Retail Trade.

Finish Carpentry Contractors

NAICS #23835 | This industry comprises establishments primarily engaged in finish carpentry work. The work performed may include new work, additions, alterations, maintenance, and repairs. Installing skylights--are classified in Industry 238160, Roofing Contractors; Framing--are classified in Industry 238130, Framing Contractors; and Building custom kitchen and bath cabinets (except free standing) in a shop are--classified in Industry 337110, Wood Kitchen Cabinet and Countertop Manufacturing.

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.

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.

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

NAICS #8113 |