Handtools (except motor vehicle mechanics, machinists precision) distributors (wholesalers), Hardware (except motor vehicle) distributors (wholesalers)

Air-conditioning system (except window) installation, Heating and cooling duct work installation, Heating and ventilation system component (e.g., air registers, diffusers, filters, grilles, sound attenuators) installation, Heating contractors, Heating equipment installation, Heating, ventilation and air-conditioning (HVAC) contractors, Ventilating contractors

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

All Other Miscellaneous Manufacturing, All Other Nonmetallic Mineral Mining, Apparel, Piece Goods, and Notions Distributors (Wholesalers), Asphalt and asphaltic materials made in petroleum refineries, Asphalt paving mixtures made in petroleum refineries, Asphalt Paving, Roofing, and Saturated Materials Manufacturing, Bicycles and parts manufacturing, Book Stores and News Dealers, Cement and Concrete Product Manufacturing, Chemical and Allied Products Distributors (Wholesalers), Clay Building Material and Refractories Manufacturing, Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance, Concrete Block and Brick Manufacturing, Construction and Mining (except Oil Well) Machinery and Equipment Distributors (Wholesalers), Construction, Transportation, Mining, and Forestry Machinery and Equipment Rental and Leasing, Doll, Toy, and Game Manufacturing, Fabricated Metal Product Manufacturing, Flower, Nursery Stock, and Florists' Supplies Distributors (Wholesalers),

Computer Software, Hardware, and Electronics E-Commerce, Electronics Stores

All Other Miscellaneous Manufacturing, Apparel, Piece Goods, and Notions Distributors (Wholesalers), Bicycles and parts manufacturing, Book Stores and News Dealers, Chemical Manufacturing, 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, Doll, Toy, and Game Manufacturing, Fabricated Metal Product Manufacturing, Flower, Nursery Stock, and Florists' Supplies Distributors (Wholesalers), Furniture and Home Furnishing Distributors (Wholesalers), Gasket, Packing, and Sealing Device Manufacturing, General Merchandise Stores, Hardware, and Plumbing and Heating Equipment and Supplies Distributors (Wholesalers), Health and Personal Care Stores, Health Care Services, Hobby, Toy, and Game Stores, Household Appliances and Electrical and Electronic Goods Distributors (Wholesaler