Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen

Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing

CHICAGO

Crushed and Broken Limestone Mining and Quarrying, Other Crushed and Broken Stone Mining and Quarrying, Construction Sand and Gravel Mining, Support Activities for Coal Mining

Mechanical Power Transmission Equipment Manufacturing

Steel Foundries (except Investment), Aluminum Foundries (except Die-Casting), Hardware Manufacturing, Machine Shops, Precision Turned Product Manufacturing

ROCKFORD

Plumbing, Heating, and Air-Conditioning Contractors, Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen, Pump and Pumping Equipment Manufacturing, Air and Gas Compressor Manufacturing, All Other Miscellaneous General Purpose Machinery Manufacturing

Welding and Soldering Equipment Manufacturing

Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen, Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers, Refrigeration Equipment and Supplies Merchant Wholesalers

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial, Analytical Laboratory Instrument Manufacturing

Other Building Equipment Contractors, Ornamental and Architectural Metal Work Manufacturing, Elevator and Moving Stairway Manufacturing

Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen

Fluid Power Valve and Hose Fitting Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing, Other Engine Equipment Manufacturing, All Other Miscellaneous General Purpose Machinery Manufacturing, Aircraft Manufacturing

ELGIN

Office Machinery and Equipment Rental and Leasing, Other Computer Related Services, Computer and Office Machine Repair and Maintenance, Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Main

Welding and Soldering Equipment Manufacturing

Cutting Tool and Machine Tool Accessory Manufacturing