Summit Alarm Systems, Inc.
Pete Snodgrass
(713) 776-8328
8950 Westpark, Suite 104
Houston, Texas 77063
TERRA Engineering Group Corp.
Santos Munoz
PO Box 993
Fulshear, Texas 77441-0993
DIFFCO, LLC
Bain McCleney
(832) 671-2865
P. O. Box 178
Cypress, Texas 77410