Boring, for building construction, Building automation system installation contractors, Cable laying (e.g., cable television, electricity, marine, telephone), including underground, Cable splicing, electrical or fiber optic, Commercial and industrial machinery repair and maintenance services, Communication equipment installation, Computer and network cable installation, Control system (e.g., environmental, humidity, temperature) installation, Electric contracting, Electric power control panel and outlet installation, Electric power transmission line and tower construction, Electrical contractors, Electrical equipment and appliance installation, Electrical generating and transmission equipment repair and maintenance services, Electrical work, Electrical, electrical wiring, and low voltage electrical work, Electrician, Electronic containment fencing for pets, installation, Electronic control installation and service, Electronic control system installation, Environmental control system installation, Excavating,

Bulk liquids trucking, long-distance, Dry bulk carrier, truck, long-distance, Hazardous material trucking, long-distance, Local bulk liquids trucking, Tanker trucking (e.g., chemical, juice, milk, petroleum), local, Tanker trucking (e.g., chemical, juice, milk, petroleum), long-distance, Waste hauling, hazardous, long-distance, Waste hauling, nonhazardous, long-distance

Bits, rock drill, underground mining-type, manufacturing, Core drills, underground mining-type, manufacturing, Drilling equipment, oil and gas field-type, manufacturing, Drilling equipment, underground mining-type, manufacturing, Drilling mud compounds, conditioners, and additives (except bentonites) manufacturing, Drilling rigs, oil and gas field-type, manufacturing, Drilling services for nonmetallic mineral (except fuels) mining on a contract basis, Machine Tool Manufacturing, Oil and gas field-type drilling machinery and equipment (except offshore floating platforms) manufacturing, Oil drilling muds distributors (wholesalers), Prospect and test drilling services for metal mining on contract basis, Prospect and test drilling services for nonmetallic mineral mining (except fuels) on a contract basis, Rock drills, underground mining-type, manufacturing, Support Activities for Oil and Gas Operations, Tool industrial design services, Water well drilling machinery manufacturing

Architectural metalwork distributors (wholesalers), Building materials supply dealers, Custom Architectural Woodwork and Millwork Manufacturing, Iron and steel architectural shapes distributors (wholesalers), Lumber, Plywood, Millwork, and Wood Panel Distributors (Wholesalers), Metal Window and Door Manufacturing, Millwork installation, Other Millwork (including Flooring), Wood Window and Door Manufacturing

Architecture, Engineering, and Construction (ACE), Engineering Services (Non-Construction), Research and Development in the Physical, Engineering, and Life Sciences

Apparel, Piece Goods, and Notions Distributors (Wholesalers), Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance, Construction and Mining (except Oil Well) Machinery and Equipment Distributors (Wholesalers), Construction, Transportation, Mining, and Forestry Machinery and Equipment Rental and Leasing, Fabricated Metal Product Manufacturing, Flower, Nursery Stock, and Florists' Supplies Distributors (Wholesalers), Furniture and Home Furnishing Distributors (Wholesalers), Gasket, Packing, and Sealing Device Manufacturing, Gasoline Stations and Truck Stops, Hardware, and Plumbing and Heating Equipment and Supplies Distributors (Wholesalers), Home and auto supply stores, Household Appliances and Electrical and Electronic Goods Distributors (Wholesalers), Industrial Machinery and Equipment Distributors (Wholesalers), Machinery Manufacturing, Miscellaneous Durable Goods Distributors (Wholesalers), Motor Vehicle and Parts Dealers, Nonmetallic Mineral Product M