Additives Systems, Inc
407 South Main
Broken Arrow, OK  74012
(918) 357-3433  FAX (918) 251-3127
www.addsysinc.com

Cema, Inc.
P. O. Box 60655
Midlin, TX  79711
(800) 658-6702
www.cema.com

J. A. Edmonson, Inc.
P.O. Box 55455
Valencia, CA  91385
(805) 259-8404 FAX (805) 257-0604
www.morganproducts.com

Linco Electromatic, Inc.
P.O. Box 4096
Midland, TX  79704
(915) 694-9644  FAX (915) 694-0921
www.lemc.com

Reynolds Equipment Company
410 S. Kirby St.
Garland, TX  75042
(214) 272-3424
www.recous.com

Welker Engineering Company
P.O. Box 138
13839 West Bellford
Sugar Land, TX  77487
(713) 491-2331 (800) 776-7267
www.neosot.com/ ~ welker

Welker Engineering Company
4530 South Sheridan, Suite 118
Tulsa  OK. 74145
(918) 663-0255
www.neosost.com/~welker

Williams Instrument Company, Inc.
25217 Rye Canyon Road
Valencia, CA  91355
(800) 235-3421  FAX (805) 257-7963
www.williamspumps.com

Williams Instrument Company, Inc.
650 Century Plaza Drive, Suite 100
Houston, TX  77073
(800) 235-3421
www.williamspumps.com

YZ Industries
P. O. Box 890
Snyder, TX  79550
(915) 573-8578  FAX (915) 573-7163