CALCTP values your health and safety. Please click here to read an advisory from the CEC related to COVID-19 and certified AT-Technicians.

Why Use a CALCTP Certified Installer Contractor?

A CALCTP certified installer contractor:

  • Is a state licensed C-10 electrical contractor.
  • Employs superintendents and supervisors who have successfully completed either the CALCTP Technical Installation Course, Systems Course or AT-Technician Certification program.
  • Has CALCTP-certified general electricians on staff who have successfully completed the CALCTP Technical Installer Course or the Acceptance Test Technician program.
  • Is proficient in advanced lighting controls.

Learn more about the detailed criteria for electrical contractors who wish to become CALCTP certified.


Title Phone City State Zipcode
ZECO Electric Company (707) 644-8665 American Canyon CA 94503
Young Electric (415) 648-3355 San Francisco CA
Yoted Electric Inc. (650) 888-2275 Moss Beach CA
Woltz Electric (707) 745-1500 Benicia CA
Woeste Electric (805) 590-2638 Atascadero CA
William Bradley Electric (415) 772-8200 Oakland CA
Wild Electric (559) 251-7770 Fresno CA
Whittington Electric (530) 823-3055 Auburn CA
WECO Electrical Engineering (925) 672-0969 Clayton CA 94517
WBM Electric, Inc. (213) 265-2671 Vista CA 92081
Walton Electric Corporation (909) 981-5051 Upland CA 91786
Van Ert Electric Co Inc. (951) 849-8799 Banning CA
Valley Pacific Electric, Inc. (916) 425-1383 Rocklin CA 95677
UpValley Electric Inc. (707) 815-3730 Saint Helena CA
Universal Electric, Co. (661) 296-6093 Santa Clarita CA 91350
Unison Electric (714) 375-5915 Huntington Beach CA
U.S. Energy Services, Inc. (323) 660-1079 Los Angeles CA 90026
Turnupseed Electric (661) 873-3478 Bakersfield CA
Tri-Tech (909) 226-6337 San Bernardino CA
Tri-Star Electric (714) 624-4031 Fountain Valley CA 92708