THE TROY ACOUSTICS CORPORATION

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

All Other Miscellaneous Wood Product Manufacturing

This includes establishments primarily engaged in manufacturing wood products (except establishments operating sawmills and preservation facilities; establishments manufacturing veneer, engineered wood products, millwork, wood containers, pallets, and wood container parts; and establishments making manufactured homes (i.e., mobile homes) and prefabricated buildings and components).

Illustrative Examples:

Cabinets (i.e., housings), wood (e.g., sewing machines, stereo, television), manufacturing
Cork products (except gaskets) manufacturing
Kiln drying lumber
Shoe trees manufacturing
Wood dowels manufacturing
Wood extension ladders manufacturing
Wood handles (e.g., broom, handtool, mop), manufacturing
Wood kitchenware manufacturing
Wood stepladders manufacturing
Wood toilet seats manufacturing
Wood toothpicks manufacturing

Mineral Wool Manufacturing

This includes establishments primarily engaged in manufacturing mineral wool and mineral wool (i.e., fiberglass) insulation products made of such siliceous materials as rock, slag, and glass or combinations thereof.

Prefabricated Metal Building and Component Manufacturing

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

Fabricated Structural Metal Manufacturing

This includes establishments primarily engaged in fabricating structural metal products, such as assemblies of concrete reinforcing bars and fabricated bar joists.

Small Arms, Ordnance, and Ordnance Accessories Manufacturing

This includes establishments primarily engaged in manufacturing small arms, other ordnance, and/or ordnance accessories.

Roofing, Siding, and Insulation Material Merchant Wholesalers

Establishments in this category are primarly engaged in the merchant wholesale distribution of nonwood roofing and nonwood siding and insulation materials.

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.

Environmental Consulting Services

Establishments in this category are primarly engaged in providing advice and assistance to businesses and other organizations on environmental issues, such as the control of environmental contamination from pollutants, toxic substances, and hazardous materials. These establishments identify problems (e.g., inspect buildings for hazardous materials), measure and evaluate risks, and recommend solutions. They employ a multidisciplined staff of scientists, engineers, and other technicians with expertise in areas, such as air and water quality, asbestos contamination, remediation, ecological restoration, and environmental law. Establishments providing sanitation or site remediation consulting services are included in this industry.

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