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PROFESSIONAL TELECOMMUNICATIONS SERVICES INC

CLEAR California contractor license #900567

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License overview
900567
CLEAR
2007-07-20
2026-11-30
LIVERMORE, CA 94551
***-***-**** · Click to see numberHide phone number(925) 447 5100
Classifications
  • C-10 — Electrical
  • C-28 — CSLB classification
  • C-7 — CSLB classification
  • D-16 — CSLB classification
Bond & workers’ compensation
AMERICAN CONTRACTORS INDEMNITY COMPANY
1001230240
Workers' Compensation Insurance
2027-06-06
Associated personnel
******** · Click to see associated personnelHide associated personnel
  • GIBBS ETIENNE GUILLAUME · Officer
  • GRANIZO DONALD PETER · Responsible Managing Employee · C-28
  • GRANIZO DONALD PETER · Responsible Managing Employee · D-16
  • O'BRIEN JEFFREY LOUIS · Responsible Managing Officer/Chief Executive Officer/President · C-7
  • O'BRIEN JEFFREY LOUIS · Responsible Managing Officer/Chief Executive Officer/President · C-10

Source record last updated: 2026-10-12 00:00:00.