Power-Driven Handtool Manufacturing

Electroplating, Plating, Polishing, Anodizing, and Coloring, Optical Instrument and Lens Manufacturing

Mechanical Power Transmission Equipment Manufacturing

WAUKEGAN

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

ROCKDALE

MONTGOMERY

Rubber and Plastics Hoses and Belting Manufacturing, Abrasive Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Industrial Valve Manufacturing, Fluid Power Valve and Hose Fitting Manufacturing

Steam and Air-Conditioning Supply, Water and Sewer Line and Related Structures Construction, Plumbing, Heating, and Air-Conditioning Contractors, All Other Specialty Trade Contractors, Power Boiler and Heat Exchanger Manufacturing

QUINCY

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

Machine Shops

Construction Machinery Manufacturing, Railroad Rolling Stock Manufacturing, Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing

WHEELING

Fluid Power Cylinder and Actuator 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

Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals