Allpoints Security and Detective, Inc.
Brooklyn Union Gas Company
Brett Industries
Calahan Funeral Home, Inc.
Chicago Housing Authority
City of Chicago, Dept. of Health-Food Protection
City of Chicago
Dept. of Business Affairs and Consumer Protection
Community Insurance Brokers
Community Renewal Society
Delta Heating & A/C Inc.
Fact Finders, Inc.
Green River Electric Corp.
Houston Power and Light Co.
Human Resources Development Institute
The Mission Group Companies
Milwaukee Metropolitan
Sanitary District
Professional Life and Casualty Company
SCR Medical Transportation, Inc.
Skytech Security, Inc.
Southern California Edison
Southland Development Authority