PROCESS ENVIRONMENTS I, LIMITED, L.L.P

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

Other Building Equipment Contractors

Establishments in this category are primarly engaged in installing or servicing building equipment (except electrical, plumbing, heating, cooling, or ventilation equipment). The repair and maintenance of miscellaneous building equipment is included in this industry. The work performed may include new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Automated and revolving door installation
Lightning protection equipment (e.g., lightning rod) installation
Boiler and pipe insulation installation
Machine rigging
Commercial-type door installation
Millwrights
Conveyor system installation
Revolving door installation
Overhead door, commercial- or industrial-type, installation
Dismantling large-scale machinery and equipment
Elevator installation
Satellite dish, household-type, installation
Escalator installation
Vacuum cleaning system, built-in, installation
Gasoline pump, service station, installation

Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing

This includes establishments primarily engaged in (1) manufacturing stationary air purification equipment, such as industrial dust and fume collection equipment, electrostatic precipitation equipment, warm air furnace filters, air washers, and other dust collection equipment, and/or (2) manufacturing attic fans and industrial and commercial fans and blowers, such as commercial exhaust fans and commercial ventilating fans.

Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers

Establishments in this category are primarly engaged in the merchant wholesale distribution of warm air heating and air-conditioning equipment and supplies.

Illustrative Examples:

Air pollution control equipment and supplies merchant wholesalers
Nonportable electric baseboard heaters merchant wholesalers
Air-conditioning equipment (except room units) merchant wholesalers
Warm air central heating equipment merchant wholesalers
Automotive air-conditioners merchant wholesalers
Ductless heating and air-conditioning system equipment merchant wholesalers

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