PORTLAND WILLIAMS LLC

Solar Electric Power Generation

This includes establishments primarily engaged in operating solar electric power generation facilities. These facilities use energy from the sun to produce electric energy. The electric energy produced in these establishments is provided to electric power transmission systems or to electric power distribution systems.

Wind Electric Power Generation

This includes establishments primarily engaged in operating wind electric power generation facilities. These facilities use wind power to drive a turbine and produce electric energy. The electric energy produced in these establishments is provided to electric power transmission systems or to electric power distribution systems.

Other Electric Power Generation

This includes establishments primarily engaged in operating electric power generation facilities (except hydroelectric, fossil fuel, nuclear, solar, wind, geothermal, biomass). These facilities convert other forms of energy, such as tidal power, into electric energy. The electric energy produced in these establishments is provided to electric power transmission systems or to electric power distribution systems.

Water Supply and Irrigation Systems

Establishments in this category are primarly engaged in operating water treatment plants and/or operating water supply systems. The water supply system may include pumping stations, aqueducts, and/or distribution mains. The water may be used for drinking, irrigation, or other uses.

Steam and Air-Conditioning Supply

Establishments in this category are primarly engaged in providing steam, heated air, or cooled air. The steam distribution may be through mains.

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

Electrical Contractors and Other Wiring Installation Contractors

Establishments in this category are primarly engaged in installing and servicing electrical wiring and equipment. Contractors included in this industry may include both the parts and labor when performing work. These contractors may perform new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Airport runway lighting contractors
Fiber optic cable (except transmission line) contractors
Alarm system (e.g., fire, burglar), electric, installation only
Highway, street, and bridge lighting and electrical signal installation
Audio equipment (except automotive) installation contractors
Home automation system installation
Lighting system installation
Cable television hookup contractors
Telecommunications equipment and wiring (except transmission line) installation contractors
Computer and network cable installation
Traffic signal installation
Environmental control system installation
Cable splicing, electrical or fiber optic

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

Flooring Contractors

Establishments in this category are primarly engaged in the installation of resilient floor tile, carpeting, linoleum, and hardwood flooring. The work performed may include new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Carpet, installation only
Resilient floor tile or sheet (e.g., linoleum, rubber, vinyl), installation only
Vinyl flooring contractors
Resurfacing hardwood flooring
Hardwood flooring, installation only
Floor laying, scraping, finishing, and refinishing

Tile and Terrazzo Contractors

Establishments in this category are primarly engaged in setting and installing ceramic tile, stone (interior only), and mosaic and/or mixing marble particles and cement to make terrazzo at the job site. The work performed may include new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Ceramic tile installation
Mosaic work
Mantel, marble or stone, installation
Tile (except resilient) laying and setting
Stone flooring installation
Marble, granite, and slate, interior installation contractors

All Other Specialty Trade Contractors

Establishments in this category are primarly 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.

Illustrative Examples:

Billboard erection
Outdoor swimming pool construction
Paver, brick (e.g., driveway, patio, sidewalk), installation
Crane rental with operator
Paving, residential and commercial driveway and parking lot
Sandblasting building exteriors
Fence installation
Scaffold erecting and dismantling
Interlocking brick and block installation
Steeplejack work
Manufactured (mobile) home set up and tie-down work
Driveway paving or sealing

Dog and Cat Food Manufacturing

This includes establishments primarily engaged in manufacturing dog and cat food from ingredients, such as grains, oilseed mill products, and meat products.

Other Animal Food Manufacturing

This includes establishments primarily engaged in manufacturing animal food (except dog and cat) from ingredients, such as grains, oilseed mill products, and meat products.

Bottled Water Manufacturing

This includes establishments primarily engaged in purifying and bottling water (including naturally carbonated).