DDB ENTERPRISES LLC

New Single-Family Housing Construction (except For-Sale Builders)

This includes 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 below. This industry includes general contractors responsible for the on-site assembly of modular and prefabricated houses. Single-family housing design-build firms and single-family construction management firms acting as general contractors are included in this industry.

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.

Residential Remodelers

This includes establishments primarily responsible for the remodeling construction (including additions, alterations, reconstruction, maintenance, and repairs) of houses and other residential buildings, single-family and multifamily. Included in this industry are remodeling general contractors, for-sale remodelers, remodeling design-build firms, and remodeling project construction management firms.

Industrial Building Construction

This category includes establishments primarily responsible for the construction (including new work, additions, alterations, maintenance, and repairs) of industrial buildings (except warehouses). The construction of selected additional structures, whose production processes are similar to those for industrial buildings (e.g., incinerators, cement plants, blast furnaces, and similar nonbuilding structures), is included in this industry. Included in this industry are industrial building general contractors, industrial building for-sale builders, industrial building design-build firms, and industrial building construction management firms.

Illustrative Examples:

Assembly plant construction
Furnace, industrial plant, construction
Cannery construction
Mine loading and discharging station construction
Cement plant construction
Paper or pulp mill construction
Steel mill construction
Chemical plant (except petrochemical) construction
Pharmaceutical manufacturing plant construction
Factory construction
Food processing plant construction
Waste disposal plant (except sewage treatment) construction

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)

Water and Sewer Line and Related Structures Construction

Establishments in this category are primarly engaged in the construction of water and sewer lines, mains, pumping stations, treatment plants, and storage tanks. 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 water, sewer line, and related structures construction. All structures (including buildings) that are integral parts of water and sewer networks (e.g., storage tanks, pumping stations, water treatment plants, and sewage treatment plants) are included in this industry.

Illustrative Examples:

Distribution line, sewer and water, construction
Sewer main, pipe and connection, construction
Fire hydrant installation
Storm sewer construction
Irrigation systems construction
Water main and line construction
Sewage disposal plant construction
Water treatment plant construction
Pumping station, water and sewage system, construction
Water system storage tank and tower construction
Reservoir construction
Water well drilling, digging, boring, or sinking (except water intake wells in oil and gas fields)

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

Land Subdivision

Establishments in this category are primarly engaged in servicing land and subdividing real property into lots, for subsequent sale to builders. Servicing of land may include excavation work for the installation of roads and utility lines. The extent of work may vary from project to project. Land subdivision precedes building activity and the subsequent building is often residential, but may also be commercial tracts and industrial parks. These establishments may do all the work themselves or subcontract the work to others. Establishments that perform only the legal subdivision of land are not included in this industry.

Other Airport Operations

This includes establishments primarily engaged in (1) operating international, national, or civil airports, or public flying fields or (2) supporting airport operations, such as rental of hangar space, and providing baggage handling and/or cargo handling services.

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services

Establishments in this category are primarly engaged in providing computing infrastructure, data processing services, Web hosting services (except software publishing), and related services, including streaming support services (except streaming distribution services). Data processing establishments provide complete processing and specialized reports from data supplied by clients or provide automated data processing and data entry services.

Illustrative Examples:

Application hosting
Cloud storage services
Computer data storage services
Computing platform infrastructure provision
Infrastructure as a service (IaaS)
Optical scanning services
Platform as a service (PaaS)
Video and audio technical streaming support services
Web hosting

Architectural Services

Establishments in this category are primarly engaged in planning and designing residential, institutional, leisure, commercial, and industrial buildings and structures by applying knowledge of design, construction procedures, zoning regulations, building codes, and building materials.

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

Testing Laboratories and Services

Establishments in this category are primarly engaged in performing physical, chemical, and other analytical testing services, such as acoustics or vibration testing, assaying, biological testing (except medical and veterinary), calibration testing, electrical and electronic testing, geotechnical testing, mechanical testing, nondestructive testing, or thermal testing. The testing may occur in a laboratory or on-site.

Other Management Consulting Services

This includes establishments primarily engaged in providing management consulting services (except administrative and general management consulting; human resources consulting; marketing consulting; or process, physical distribution, and logistics consulting). Establishments providing telecommunications or utilities management consulting services are included in this industry.

All Other Business Support Services

This includes establishments primarily engaged in providing business support services (except secretarial and other document preparation services; telephone answering and telemarketing services; private mail services or document copying services conducted as separate activities or in conjunction with other office support services; monetary debt collection services; credit reporting services; repossession services; and court reporting and stenotype recording services).

Illustrative Examples:

Address bar coding services
Charitable fundraising campaign organization services on a contract or fee basis
Bar code imprinting services
Mail presorting services