APEX GOVERNMENT CONTRACTING LIMITED LIABILITY COMPANY

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)

Plumbing, Heating, and Air-Conditioning Contractors

Establishments in this category are primarly engaged in installing and servicing plumbing, heating, and air-conditioning equipment. Contractors in this industry may provide both parts and labor when performing work. The work performed may include new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Cooling tower installation
Heating, ventilation, and air-conditioning (HVAC) contractors
Duct work (e.g., cooling, dust collection, exhaust, heating, ventilation) installation
Lawn sprinkler system installation
Fire sprinkler system installation
Mechanical contractors
Fireplace, natural gas, installation
Refrigeration system (e.g., commercial, industrial, scientific) installation
Furnace installation
Sewer hookup and connection, building

Prefabricated Wood Building Manufacturing

This includes establishments primarily engaged in manufacturing prefabricated wood buildings and wood sections and panels for prefabricated wood buildings.

Industrial Gas Manufacturing

Establishments in this category are primarly engaged in manufacturing industrial organic and inorganic gases in compressed, liquid, and solid forms.

Prefabricated Metal Building and Component Manufacturing

This includes establishments primarily engaged in manufacturing prefabricated metal buildings, panels, and sections.

Heating Equipment (except Warm Air Furnaces) Manufacturing

This includes establishments primarily engaged in manufacturing heating equipment (except electric and warm air furnaces), such as heating boilers, heating stoves, floor and wall furnaces, and wall and baseboard heating units.

Industrial Machinery and Equipment Merchant Wholesalers

Establishments in this category are primarly engaged in the merchant wholesale distribution of specialized machinery, equipment, and related parts generally used in manufacturing, oil well, and warehousing activities.

Illustrative Examples:

Fluid power transmission equipment merchant wholesalers
Metalworking machinery and equipment merchant wholesalers
Food processing machinery and equipment merchant wholesalers
Oil well machinery and equipment merchant wholesalers
Material handling machinery and equipment merchant wholesalers

Other Chemical and Allied Products Merchant Wholesalers

Establishments in this category are primarly engaged in the merchant wholesale distribution of chemicals and allied products (except agricultural and medicinal chemicals, paints and varnishes, fireworks, and plastics materials and basic forms and shapes).

Illustrative Examples:

Acids merchant wholesalers
Industrial chemicals merchant wholesalers
Automotive chemicals (except lubricating oils and greases) merchant wholesalers
Industrial salts merchant wholesalers
Dyestuffs merchant wholesalers
Rosins merchant wholesalers
Explosives (except ammunition and fireworks) merchant wholesalers
Turpentine merchant wholesalers

Other Support Activities for Air Transportation

Establishments in this category are primarly engaged in providing specialized services for air transportation (except air traffic control and other airport operations).

Illustrative Examples:

Aircraft maintenance and repair services (except factory conversions, overhauls, rebuilding)
Aircraft passenger screening security services
Aircraft testing services

Other Commercial and Industrial Machinery and Equipment Rental and Leasing

Establishments in this category are primarly engaged in renting or leasing nonconsumer-type machinery and equipment (except heavy construction, transportation, mining, and forestry machinery and equipment without operators; and office machinery and equipment). Establishments in this industry rent or lease products, such as manufacturing equipment; metalworking, telecommunications, motion picture, theatrical machinery and equipment, or service industry machinery; institutional (i.e., public building) furniture, such as furniture for schools, theaters, or buildings; or agricultural equipment without operators.

Other Scientific and Technical Consulting Services

Establishments in this category are primarly engaged in providing advice and assistance to businesses and other organizations on scientific and technical issues (except environmental).

Illustrative Examples:

Agricultural consulting services
Motion picture consulting services
Biological consulting services
Physics consulting services
Chemical consulting services
Radio consulting services
Economic consulting services
Safety consulting services
Energy consulting services
Security consulting services

Other Services to Buildings and Dwellings

Establishments in this category are primarly engaged in providing services to buildings and dwellings (except exterminating and pest control; janitorial; landscaping care and maintenance; and carpet and upholstery cleaning).

Illustrative Examples:

Building exterior cleaning services (except sandblasting, window cleaning)
Swimming pool cleaning and maintenance services
Chimney cleaning services
Ventilation duct cleaning services
Drain or gutter cleaning services

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

Establishments in this category are primarly engaged in the repair and maintenance of commercial and industrial machinery and equipment. Establishments in this industry either sharpen/install commercial and industrial machinery blades and saws or provide welding (e.g., automotive, general) repair services; or repair agricultural and other heavy and industrial machinery and equipment (e.g., forklifts and other material handling equipment, machine tools, commercial refrigeration equipment, construction equipment, and mining machinery).