DIAMOND MANAGEMENT LLC

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.

Roofing Contractors

Establishments in this category are primarly engaged in roofing. This industry also includes establishments treating roofs (i.e., spraying, painting, or coating) and installing skylights. The work performed may include new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Painting, spraying, or coating, roof
Sheet metal roofing installation
Shake and shingle, roof, installation
Skylight installation

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

Drywall and Insulation Contractors

Establishments in this category are primarly engaged in drywall, plaster work, and building insulation work. Plaster work includes applying plain or ornamental plaster, and installation of lath to receive plaster. The work performed may include new work, additions, alterations, maintenance, and repairs. Establishments primarily engaged in providing firestop services are included in this industry.

Illustrative Examples:

Acoustical ceiling tile and panel installation
Lathing contractors
Drop ceiling installation
Plastering (i.e., ornamental, plain) contractors
Drywall contractors
Soundproofing contractors
Firestop contractors
Fresco (i.e., decorative plaster finishing) contractors
Taping and finishing drywall
Gypsum board installation
Wall cavity and attic space insulation installation

Painting and Wall Covering Contractors

Establishments in this category are primarly engaged in interior or exterior painting or interior wall covering. The work performed may include new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Bridge painting
Paperhanging or removal contractors
House painting
Ship painting contractors
Paint and wallpaper stripping
Wallpaper hanging and removal contractors

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

Finish Carpentry Contractors

Establishments in this category are primarly engaged in finish carpentry work. The work performed may include new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Built-in wood cabinets constructed on site
Molding or trim, wood or plastic, installation
Countertop (except ceramic tile or stone), residential-type, installation
Paneling installation
Door and window frame construction
Garage door, residential-type, installation
Prefabricated kitchen and bath cabinet, residential-type, installation
Ship joinery contractors
Millwork installation
Window and door, residential-type, of any material, prefabricated, installation

Other Building Finishing Contractors

Establishments in this category are primarly engaged in building finishing trade work (except drywall, plaster, and insulation work; painting and wall covering work; flooring work; tile and terrazzo work; and finish carpentry work). The work performed may include new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Bathtub refinishing, on-site
Fabricating metal cabinets or countertops on site
Closet organizer system installation
Modular furniture system attachment and installation
Concrete coating, glazing, or sealing
Trade show exhibit installation and dismantling
Countertop and cabinet, metal (except residential-type), installation
Waterproofing contractors
Drapery fixture (e.g., hardware, rods, tracks) installation
Window shade and blind installation

Site Preparation Contractors

Establishments in this category are primarly engaged in site preparation activities, such as excavating and grading, demolition of buildings and other structures, and septic system installation. Earthmoving and land clearing for all types of sites (e.g., building, nonbuilding, mining) is included in this industry. Establishments primarily engaged in construction equipment rental with operator (except cranes) are also included.

Illustrative Examples:

Blasting, building demolition
Building interior gutting and stripping
Concrete breaking and cutting for demolition
Cutting new rights of way
Demolition, building and structure
Exterior demolition contractors
Foundation digging (i.e., excavation)
Foundation drilling contractors
Grading construction sites
Interior demolition contractors
Dewatering contractors
Dirt moving for construction
Equipment rental (except crane), construction, with operator
Excavating, earthmoving, or land clearing contractors
Line slashing or cutting (except maintenance)
Septic system contractors
Trenching (except underwater)
Underground tank (except hazardous) removal
Wrecking, building or other structure
Whole building deconstruction

Couriers and Express Delivery Services

Establishments in this category are primarly engaged in providing air, surface, or combined mode courier and express delivery services of parcels, but not operating under a universal service obligation. These parcels can include goods and documents, but the express delivery services are not part of the normal mail service. These services are generally between metropolitan areas, urban centers, or international, but the establishments of this industry form a network that includes local pick-up and delivery to serve their customers' needs.

Illustrative Examples:

Air courier services, except establishments operating under a universal service obligation
Express delivery services, except establishments operating under a universal service obligation
Courier services (i.e., intercity network), except establishments operating under a universal service obligation

General Warehousing and Storage

Establishments in this category are primarly engaged in operating merchandise warehousing and storage facilities. These establishments generally handle goods in containers, such as boxes, barrels, and/or drums, using equipment, such as forklifts, pallets, and racks. They are not specialized in handling bulk products of any particular type, size, or quantity of goods or products.

Refrigerated Warehousing and Storage

Establishments in this category are primarly engaged in operating refrigerated warehousing and storage facilities. Establishments primarily engaged in the storage of furs for the trade are included in this industry. The services provided by these establishments include blast freezing, tempering, and modified atmosphere storage services.

Other Warehousing and Storage

Establishments in this category are primarly engaged in operating warehousing and storage facilities (except general merchandise, refrigerated, and farm product warehousing and storage).

Illustrative Examples:

Bulk petroleum storage
Lumber storage terminals
Document storage and warehousing
Whiskey warehousing

Lessors of Residential Buildings and Dwellings

Establishments in this category are primarly engaged in acting as lessors of buildings used as residences or dwellings, such as single-family homes, apartment buildings, and town homes. Included in this industry are owner-lessors and establishments renting real estate and then acting as lessors in subleasing it to others. The establishments in this industry may manage the property themselves or have another establishment manage it for them.