Printed Circuit Assembly (Electronic Assembly) Manufacturing, Computer and Computer Peripheral Equipment and Software Merchant Wholesalers, Engineering Services, Custom Computer Programming Services, Computer Systems Design Services

Commercial Gravure Printing, Other Miscellaneous Durable Goods Merchant Wholesalers

Plumbing, Heating, and Air-Conditioning Contractors, Industrial Valve Manufacturing, Fluid Power Valve and Hose Fitting Manufacturing, Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen, Other Engine Equipment Manufacturing

Machine Shops, Cutting Tool and Machine Tool Accessory Manufacturing, Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing, Measuring and Dispensing Pump Manufacturing, Industrial Machinery and Equipment Merchant Wholesalers

Other Building Finishing Contractors, Furniture Merchant Wholesalers

Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers, Fish and Seafood Merchant Wholesalers, Other Grocery and Related Products Merchant Wholesalers

AIN PLASTICS

Sign Manufacturing, All Other Miscellaneous Manufacturing, Home Furnishing Merchant Wholesalers

Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, Electrical Contractors, Other Building Equipment Contractors, Overhead Traveling Crane, Hoist, and Monorail System Manufacturing

Sawmills, All Other Miscellaneous Wood Product Manufacturing, Other Miscellaneous Durable Goods Merchant Wholesalers, Nursery, Garden Center, and Farm Supply Stores

CARTERVILLE WINLECTRIC

Surgical Appliance and Supplies Manufacturing, Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

Other Fabricated Wire Product Manufacturing, Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers

ELK GROVE VILLAGE

Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers, Hardware Merchant Wholesalers, Piece Goods, Notions, and Other Dry Goods Merchant Wholesalers, Women's, Children's, and Infants' Clothing and Accessories Merchant Wholesalers, Other Miscellaneous Nondurable Goods Merchant Wholesalers

OCSS/IDI

Plumbing, Heating, and Air-Conditioning Contractors, Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers, Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers

New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction

Support Activities for Forestry, Industrial Building Construction, Commercial and Institutional Building Construction, Power and Communication Line and Related Structures Construction, Poured Concrete Foundation and Structure Contractors

Glass Product Manufacturing Made of Purchased Glass, Scale and Balance (except Laboratory) Manufacturing, Surgical Appliance and Supplies Manufacturing, Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers, Other Professional Equipment and Supplies Merchant Wholesalers