| Aztec Painting | Aztec Painting | — | (858) 232 2468 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Aztec Paving INC | Robert Patrick Ferry | — | (619) 465 9813 | Other | Spring Valley · San Diego County | — | — |
| Aztec Repair & Remodel | Aztec Repair & Remodel | — | (619) 495 6516 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Aztec Woodworking | Michael Paul Grant | — | (619) 881 7707 | Other | San Diego · San Diego County | — | — |
| Azteca Remediation | Azteca Remediation | — | (619) 779 1698 | Other | Chula Vista · San Diego County | — | — |
| Azteca Tile | Azteca Tile | — | (619) 992 6963 | Other | San Ysidro · San Diego County | — | — |
| Aztlan Steel Fabrication INC | Corona Eduardo Lopez | — | (619) 520 1474 | Other | El Cajon · San Diego County | — | — |
| Aztlan Stone And Tile INC | Aldo Ricardo Velasco | — | (619) 954 0593 | Other | El Cajon · San Diego County | — | — |
| Azuma Tech Systems INC | Aaron Anton Gusel | — | (619) 772 9436 | Electricians | La Mesa · San Diego County | — | — |
| B & B Carpet Care & Repair Incorporated | Randolph Keith Bevell | — | (619) 988 6871 | Other | Oceanside · San Diego County | — | — |
| B & B Electric | Garry Arthur Brown | — | (760) 598 8074 | Electricians | Vista · San Diego County | — | — |
| B & B Painting And Wallcovering INC | Robert Redulla Amat | — | (619) 395 6805 | Windows, patio, painters | Poway · San Diego County | — | — |
| B & C Tree INC | Edward Guy Cain | — | (760) 975 8553 | Windows, patio, painters | Valley Center · San Diego County | — | — |
| B & D Seamless Aluminum Rain Gutters | David Francis Silverthorn | — | (619) 443 9939 | Other | El Cajon · San Diego County | — | — |
| B & E Applications INC | Eric Kristopher Prais | — | (760) 639 5290 | Windows, patio, painters | San Marcos · San Diego County | — | — |
| B & E Plumbing INC | Edwin Baldemar Lopez-Ayala | — | (619) 749 5396 | Other | El Cajon · San Diego County | — | — |
| B & F Custom Iron | B & F Custom Iron | — | (619) 279 0924 | Other | San Diego · San Diego County | — | — |
| B & G Nursery INC | David Henry Hutchings | — | (760) 594 4634 | Windows, patio, painters | Del Mar · San Diego County | — | — |
| B & M Construction INC | Minick Paul | — | (858) 395 4709 | GC, remodel, ADU | Cardiff · San Diego County | — | — |
| B & M Glass INC | Christopher Ryan Bray | — | (949) 436 0680 | Windows, patio, painters | Oceanside · San Diego County | — | — |
| B & M Grading | B & M Grading | buck@bmgrading.com | (619) 743 8920 | Other | El Cajon · San Diego County | — | — |
| B & P Home Improvements | B & P Home Improvements | — | (619) 832 5283 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| B & T Door Services | Jason Michael Cahalan | — | (951) 813 8888 | Other | Fallbrook · San Diego County | — | — |
| B & W Construction | Paul Robert Bonnett | — | (619) 473 8353 | GC, remodel, ADU | Pine Valley · San Diego County | — | — |
| B & Y Construction Incorporation | Benjamin Toma Yousif | — | (619) 341 8282 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| B 2 B Construction INC | Esteban Vergara | — | (619) 654 1890 | GC, remodel, ADU | Spring Valley · San Diego County | — | — |
| B 2 B Direct INC | Bernhard Michael Lingnau | — | (619) 688 5848 | Other | San Diego · San Diego County | — | — |
| B 3 Backflow INC | Barry Bingham Burris | — | (760) 403 0225 | Other | San Diego · San Diego County | — | — |
| B A J Backflow And Plumbing | Blake Allen Jones | — | (619) 722 1372 | Other | Alpine · San Diego County | — | — |
| B A Kennedy Enterprises INC | Brett Andrew Kennedy | — | (858) 414 1891 | Other | La Mesa · San Diego County | — | — |
| B A Worthing INC | Alena Brooks Worthing | — | (760) 729 3965 | GC, remodel, ADU | Carlsbad · San Diego County | — | — |
| B And B Kitchen Installations | Charles Thomas Beymer | — | (760) 505 4630 | Other | Encinitas · San Diego County | — | — |
| B And R Electric | Acosta Ruben | — | (619) 495 1871 | Electricians | La Mesa · San Diego County | — | — |
| B B C Construction | Christopher John Haines | — | (619) 454 3912 | GC, remodel, ADU | La Mesa · San Diego County | — | — |
| B B Concrete Construction INC | Russell Lee Hare | — | (760) 535 6348 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| B C 3 Equipment INC | Benny Joe Jr Carroll | — | (619) 987 0907 | Other | Ramona · San Diego County | — | — |
| B C Chaplin Construction | Bruce Craig Chaplin | — | (858) 272 3440 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| B C Construction | Castellanos Bernardo | — | (619) 601 6841 | GC, remodel, ADU | Lemon Grove · San Diego County | — | — |
| B C Design | B C Design | — | (760) 207 1989 | Other | Fallbrook · San Diego County | — | — |
| B C Electric | Robert C Chavez | — | (619) 890 4254 | Electricians | San Diego · San Diego County | — | — |