PAX ENGINEERING & DESIGN

New Multifamily Housing Construction (except For-Sale Builders)

This includes general contractor establishments primarily responsible for the construction of new multifamily residential housing units (e.g., high-rise, garden, town house apartments, and condominiums where each unit is not separated from its neighbors by a ground-to-roof wall). Multifamily design-build firms and multifamily housing construction management firms acting as general contractors are included in this industry.

Commercial and Institutional Building Construction

This category includes establishments primarily responsible for the construction (including new work, additions, alterations, maintenance, and repairs) of commercial and institutional buildings and related structures, such as stadiums, grain elevators, and indoor swimming facilities. This industry includes establishments responsible for the on-site assembly of modular or prefabricated commercial and institutional buildings. Included in this industry are commercial and institutional building general contractors, commercial and institutional building for-sale builders, commercial and institutional building design-build firms, and commercial and institutional building project construction management firms.

Illustrative Examples:

Airport building construction
Office building construction
Arena construction
Parking garage construction
Barrack construction
Prison construction
Farm building construction
Radio and television broadcast studio construction
Fire station construction
Grain elevator or bin construction
Data center construction
Religious building (e.g., church, synagogue, mosque, temple) construction
Restaurant construction
Hospital construction
School building construction
Hotel construction
Shopping mall construction
Indoor swimming facility construction
Warehouse construction (e.g., commercial, industrial, manufacturing, private)

Power and Communication Line and Related Structures Construction

Establishments in this category are primarly engaged in the construction of power lines and towers, power plants, and radio, television, and telecommunications transmitting/receiving towers. The work performed may include new work, reconstruction, rehabilitation, and repairs. Specialty trade contractors are included in this industry if they are engaged in activities primarily related to power and communication line and related structures construction. All structures (including buildings) that are integral parts of power and communication networks (e.g., transmitting towers, substations, and power plants) are included.

Illustrative Examples:

Alternative energy (e.g., geothermal, ocean wave, solar, wind) structure construction
Power line stringing
Cellular phone tower construction
Radio transmitting tower construction
Co-generation plant construction
Satellite receiving station construction
Communication tower construction
Nuclear power plant construction
Telephone line stringing
Electric light and power plant (except hydroelectric) construction
Transformer station and substation, electric power, construction
Electric power transmission line and tower construction
Underground cable (e.g., fiber optic, electricity, telephone, cable television) laying

Highway, Street, and Bridge Construction

Establishments in this category are primarly engaged in the construction of highways (including elevated), streets, roads, airport runways, public sidewalks, or bridges. The work performed may include new work, reconstruction, rehabilitation, and repairs. Specialty trade contractors are included in this industry if they are engaged in activities primarily related to highway, street, and bridge construction (e.g., installing guardrails on highways).

Illustrative Examples:

Airport runway construction
Highway line painting
Causeway construction
Painting traffic lanes or parking lot lines
Culverts, highway, road, and street, construction
Pothole filling, highway, road, street, or bridge
Elevated highway construction
Resurfacing, highway, road, street, or bridge
Guardrail construction
Sign erection, highway, road, street, or bridge

Other Heavy and Civil Engineering Construction

Establishments in this category are primarly engaged in heavy and civil engineering construction projects (excluding highway, street, bridge, and distribution line construction). The work performed may include new work, reconstruction, rehabilitation, and repairs. Specialty trade contractors are included in this industry if they are engaged in activities primarily related to heavy and civil engineering construction projects (excluding highway, street, bridge, distribution line, oil and gas structure, and utilities building and structure construction). Construction projects involving water resources (e.g., dredging and land drainage), development of marine facilities, and projects involving open space improvement (e.g., parks and trails) are included in this industry.

Illustrative Examples:

Channel construction
Land drainage contractors
Dam construction
Marine construction
Dock construction
Microtunneling contractors
Dredging (e.g., canal, channel, ditch, waterway)
Nuclear waste disposal site construction
Earth retention system construction
Flood control project construction
Park ground and recreational open space improvement construction
Railroad construction
Golf course construction
Subway construction
Horizontal drilling (e.g., cable, pipeline, sewer installation)
Trenching, underwater
Hydroelectric generating station construction
Tunnel construction

Poured Concrete Foundation and Structure Contractors

Establishments in this category are primarly engaged in pouring and finishing concrete foundations and structural elements. This industry also includes establishments performing grout and shotcrete work. The work performed may include new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Concrete pouring and finishing
Gunite contractors
Concrete pumping (i.e., placement)
Mud-jacking contractors
Concrete work (except paving)
Shotcrete contractors
Footing and foundation concrete contractors

Other Foundation, Structure, and Building Exterior Contractors

Establishments in this category are primarly engaged in building foundation and structure trades work (except poured concrete, structural steel, precast concrete, framing, masonry, glass and glazing, roofing, and siding). The work performed may include new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Curtain wall, metal, installation
Forms for poured concrete, erecting and dismantling
Welding, on-site, contractors
Ornamental metal work installation
Fire escape installation
Decorative steel and wrought iron work installation

Engineering Services

Establishments in this category are primarly 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.

Illustrative Examples:

Civil engineering services
Environmental engineering services
Construction engineering services
Mechanical engineering services
Engineers' offices
Robotics automation engineering services

All Other Professional, Scientific, and Technical Services

Establishments in this category are primarly engaged in the provision of professional, scientific, or technical services (except legal services; accounting, tax preparation, bookkeeping, and related services; architectural, engineering, and related services; specialized design services; computer systems design and related services; management, scientific, and technical consulting services; scientific research and development services; advertising, public relations, and related services; market research and public opinion polling; photographic services; translation and interpretation services; and veterinary services).

Illustrative Examples:

Appraisal (except real estate) services
Marine surveyor (i.e., appraiser) services
Arbitration and conciliation services (except by lawyer, attorney, or paralegal offices)
Patent broker services (i.e., patent marketing services)
Commodity inspector services
Pipeline or power line inspection (i.e., visual) services
Consumer credit counseling services
Weather forecasting services
Handwriting analysis services