Technical & Business Systems, Northern California:
859 2nd Street
Santa Rosa, CA 95404
(707) 526-2775 fax (707)579-5954

Donald Lehrman: donl@tbsys.com
Bill Knuth: knuth@tbsys.com
Dave Bush: davebush@tbsys.com
Bill Keifer: wskdck@aol.com
Sue Hynek: sue@tbsys.com
Derek Lehrman: derekl@tbsys.com

Technical & Business Systems, Southern California:
26074 Avenue Hall, Unit 9
Valencia, California 91355
(661) 294-1103 fax (661) 294-0236

Bob Baxter: bbaxter@tbsys.com
David Yoho: dyoho@tbsys.com