Kropp Forge
- Describes metals forged, facilities list, company history and e-mail directory.
- http://www.kroppforge.com/

The Royal Group
- Supplier for packaging products and services.
- http://www.royalbox.com/

Sommer and Maca Industries, Inc.
- Manufactures wide range of flat glass processing equipment and distributes glazing supplies for automotive and glass industries. Available machinery include bevellers, edgers, washers, cutters, drills, and various production lines.
- http://www.somaca.com/

Mah Machine
- Machine shop specializing in the graphics arts industry. Describes capabilities and services, facilities list, and company profile.
- http://www.mahmachine.com/

Harris Steel Company
- Manufacturer; information on steel products and capabilities.
- http://www.harrissteelco.com/

Chicago Gear Works
- Manufacturers of custom gears, miter gears, worm gears and worm sets, spur gears, bevel gears, and Coniflex gears.
- http://www.chicagogearworks.com/

CGI Automated Manufacturing, Inc.
- Offers machining and cutting services for the fabrication of fixtures and enclosures for industries including pharmaceutical, electronic, communications, railcar, lighting, and food processing.
- http://www.cgimfg.com/