Anderson Development Company
www.andersondevelopment.com

0

H.O.H. Engineers, Inc.
www.hohgroup.com

Hammond Expanders
www.hammondexpanders.com

NIPSCO
www.nipsco.com

Praxair, Inc.
www.praxair.com

Primary Energy
www.primaryenergy.com

R.T. Patterson
rtpatterson.com

Resco Products, Inc.
www.rescoproducts.com

0

Rieter Automotive
www.rieter.com

Safety Kleen Corporation
www.safety-kleen.com

Superior Engineering Corp.
www.superiorengineering.com

United States Steel
www.ussteel.com

Wheeling Pittsburgh Steel
www.wpsc.com