| 1 Click Electric | Cody Allyn Phillips | gerencia_comercial@click-electric.com | (760) 504 9282 | Electricians | San Marcos · San Diego County | — | — |
| 1 Electrical Services | Andrew Boyd Davis | — | (858) 914 1211 | Electricians | San Diego · San Diego County | — | — |
| 1 Source Electrical INC | Carl Joseph Pizzuto | — | (760) 739 1987 | Electricians | San Marcos · San Diego County | — | — |
| 1010 Electric | Matt Mohammad Sohrabi | — | (760) 807 5555 | Electricians | San Marcos · San Diego County | — | — |
| 1111 Construction | Chad Edward Emery | guy@infinitydesignbuild.com | (760) 420 7236 | Electricians | Vista · San Diego County | — | — |
| 1st Watch Technology Solution Incorporated | Shawn Anthony M Dalugdug Kenville | hello@rfuenzalida.com | (833) 302 5276 | Electricians | Chula Vista · San Diego County | — | — |
| 2-d Stage Lighting Electric INC | Tracy Lloyd Boen | info@2dstageelectric.com | (619) 327 8866 | Electricians | El Cajon · San Diego County | — | — |
| 21st Century Electric | Paul Harry Bussell | typesetit@att.net | (760) 809 8285 | Electricians | Encinitas · San Diego County | — | — |
| 3 M Electric | Mariano Amio Ocampo | shea@m-electric.com | (858) 357 1126 | Electricians | Escondido · San Diego County | — | — |
| 4B Electric INC | Michael Robert Barnett | — | (619) 723 0209 | Electricians | El Cajon · San Diego County | — | — |
| 517 Electric | Brandon Lee Swart | — | (909) 289 8619 | Electricians | Fallbrook · San Diego County | — | — |
| 555 Construction | Mushtaq Mohsen Nasse Alshimery | — | (619) 844 3170 | Electricians | San Diego · San Diego County | — | — |
| 619 Electric | Mitchell Clark Vansant | — | (805) 444 5758 | Electricians | San Diego · San Diego County | — | — |
| 7 Days Electric | Nguyen Hai | — | (619) 471 7329 | Electricians | San Diego · San Diego County | — | — |
| 77 Electrical Services | Monica Costina Gocan | — | (206) 599 9126 | Electricians | Carlsbad · San Diego County | — | — |
| 78 Electric | John Houston Blackburn | — | (619) 917 2000 | Electricians | Vista · San Diego County | — | — |
| A & E Enterprise INC DBA Accel Electric | Alex Lee Hintz | — | (619) 288 4336 | Electricians | El Cajon · San Diego County | — | — |
| A & H Electrical And General Contracting LLC | Hershel Jeffrey Hatfield | — | (619) 895 5565 | Electricians | Descanso · San Diego County | — | — |
| A & R Electric | Alejandro Nmn Ruiz | — | (760) 623 6486 | Electricians | Escondido · San Diego County | — | — |
| A - Lectric INC | Duc Huu Nguyen | eddie.haro@electricare.com | (858) 310 9391 | Electricians | San Diego · San Diego County | — | — |
| A - Plus Electric | Antonyan Mikhail | — | (858) 518 0271 | Electricians | Vista · San Diego County | — | — |
| A - Rayman Electric INC | Ramon Francisco Bennett | — | (760) 807 1007 | Electricians | Escondido · San Diego County | — | — |
| A And T Electric | Edward Jr Ford | — | (619) 843 7817 | Electricians | San Diego · San Diego County | — | — |
| A B Construction | Baziar Ahmad | — | (858) 486 7635 | Electricians | Poway · San Diego County | — | — |
| A B S Netcom INC DBA Solarium Energy | Casey Charles Johnson | — | (888) 700 4786 | Electricians | San Diego · San Diego County | — | — |
| A C / D C Electric Group INC | Orozovich Sasha | contact@claycoelectric.org | (619) 788 9420 | Electricians | Chula Vista · San Diego County | — | — |
| A C Electric | Robert Wayne Green | — | (619) 823 8603 | Electricians | Spring Valley · San Diego County | — | — |
| A C Electric Corporation | Douglas Martin Stampfli | — | (858) 748 6973 | Electricians | Poway · San Diego County | — | — |
| A Dub Electric | Andrew Williams Gabriel | — | (408) 242 7188 | Electricians | Oceanside · San Diego County | — | — |
| A E Audio | Allen Edward Tremble | — | (858) 673 1675 | Electricians | San Diego · San Diego County | — | — |
| A Frame Electric INC | Joshua James Long | — | (619) 805 5088 | Electricians | San Diego · San Diego County | — | — |
| A G A Electric & Consulting Services INC | Mark Barry Appleton | — | (619) 954 1265 | Electricians | San Diego · San Diego County | — | — |
| A G B Electric | Grajeda Buitron Agustin | — | (619) 869 1229 | Electricians | Chula Vista · San Diego County | — | — |
| A J S Electric | Adolfo Joe Sanchez | contact@claycoelectric.org | (619) 405 3508 | Electricians | San Diego · San Diego County | — | — |
| A M E West | Dario Nicholas Karimy | — | (760) 504 9676 | Electricians | San Diego · San Diego County | — | — |
| A M Ortega Construction INC | Archie Maurice Ortega | — | (619) 390 1988 | Electricians | Lakeside · San Diego County | — | — |
| A P E S Access Power Electrical Services | Michael Jonathan Soto | buildzoomsupport@blockrenovation.com | (760) 497 5457 | Electricians | Oceanside · San Diego County | — | — |
| A P Electrical Services | Andrew Jonathan Peattie | — | (760) 859 7937 | Electricians | Oceanside · San Diego County | — | — |
| A P L Electrical INC | Milton John Akenson | eddie.haro@electricare.com | (858) 449 6651 | Electricians | San Diego · San Diego County | — | — |
| A Plus Electric | Ouji Jamshid | — | (858) 294 2557 | Electricians | San Diego · San Diego County | — | — |