American Welding Society	www.aws.org
AGA Gas Inc., A Member of the Linde Gas Group	www.agagas.com
Chuck’s Equipment Service	e-mail: chuckserv@bright.net
Edison Community College	www.edison.cc.oh.us
Hobart Institute of Welding Technology	www.welding.org
ITW/Hobart Brothers	www.hobartbrothers.com
Lefeld Weld Supplies and Rental	www.lefeld.com
MIM Industries, Inc., a Brother Company	www.mimind.com
Norcold, Inc.	www.norcold.com
The Lincoln Electric Company	www.lincolnelectric.com
Valley National Gases, Inc…..	www.vngas.com
Weiler Welding; Gases and Welding Supplies	www.weilerwelding.com