- Janitorial Services
- Exterminator and Pest Control Services
- Professional, admin, and management
- Automatic data processing and telecom. services
- Residential remodelers
- Building Trade Contractors
- Research and development
- Aircraft and airframe structural components
- Transportation and hauling
- Computer services
- Operation of government-owned facilities
- Construction of structures and facilities
- Utilities and housekeeping services
- Fuels, lubricants, oils and waxes
- Maintenance, repair and rebuilding of equipment
- Medical, dental, and veterinary equipment and supplies
- Car rental and leasing
- Offices of Lawyers
- Communication, detection and coherent rad. equipment
- Maintenance, repair, or alteration of real property
- Miscellaneous
- Medical services
- Motor vehicles, trailers, and cycles
- Subsistence
- Payroll services
- Human resources and staffing
- Ships, small craft, pontoons, and floating docks
- Automatic data processing equipment
- Transportation, travel and relocation services
- Engines, turbines, and components
- Landscape Services
- Engineering Services
- Architect and engineering services
- Aircraft components and accessories
- Ammunition and explosives
- Lease or rental of facilities
- Building Inspection Services
- Advertising Agencies
- Natural resources and conservation services
- Electrical and electronic equipment components
- Special studies and analyses (not R & D)
- Instruments and laboratory equipment
- Telephone Answering Services
- Photography Services
- Clothing, individual equipment, and insignia
- Education and training services
- Weapons
- Technical representative services
- Travel arrangments and reservation services Investigation Services
- Fire control equipment Training aids and devices
- Modification of equipment
- Materials handling equipment
- Furniture
- Furnace, steam plant, drying eq.; and nuclear reactors
- Ores, minerals, and their primary products
- Vehicular equipment components
- Convention and Trade show organizers
- Computer Training
- Quality control, testing, and inspection services
- Electric wire, and power and distribution equipment
- Flight Training
- Aircraft Rental and Charter Services
- Hardware and abrasives
- Construction and building materials
- Ship and marine equipment
- Maintenance and repair shop equipment
- Exam Preparation and Tutoring
- Educational Services
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- Fire fighting, rescue, and safety equipment
- Lease or rental of equipment
- Social services
- Office supplies and devices
- Engine accessories
- Installation of equipment
- Aircraft launching, landing, and handling equipment
- Alarm, signal, and security detection systems
- Food Service Contractors
- Caterers
- Books, maps, and other publications
- Salvage service
- Chemicals and chemical products Containers, packaging, and packing supplies
- Textiles, leather, apparel, shoe findings, tents, flags
- Prefabricated structures and scaffolding
- Photographic, mapping, printing, and pub. services
- Construction, mining, highway maint. equipment
- Hotels and Boarding Services
- Automotive Repair
- Special industry machinery
- Nonmetallic crude materials
- Agricultural supplies
- Hand tools
- Pipe, tubing, hose, and fittings
- Nonmetallic fabricated materials
- Valves
- Bearings
- Accounting Services
- Child care Services
- Mechanical power transmission equipment
- Pumps and compressors
- Refrigeration, air conditioning equipment
- Office machines, text processing systems and equipment
- Household and commercial furnishings and appliances
- Metalworking machinery
- Photographic instruments
- Food preparation and serving equipment
- Tires and tubes
- Metal bars, sheets, and shapes
- Water purification and sewage treatment equipment Brushes, paints, sealers, and adhesives
- Cleaning equipment and supplies
- Plumbing, heating, and waste disposal equipment
- Recreational and athletic equipment
- Lumber, millwork, plywood, and veneer
- Fiber optics materials, components, and accessories
- Service and trade equipment
- Rope, cable, chain, and fittings
- Toiletries
- Tractors
- Purchase of structures and facilities
- Measuring tools
- Agricultural machinery and equipment
- Live animals
- Musical instruments, phonographs, and home-type radios
- Railway equipment
- Woodworking machinery and equipment
- Agricultural machinery and equipment
- Agricultural supplies
- Ship and marine equipment
- Aircraft components and accessories
- Ammunition and explosives
- Alarm, signal, and security detection systems
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