| 2 - Big Crew Construction | Ryan Aaron Howell | — | (323) 251 2615 | GC, remodel, ADU | Pasadena · Los Angeles County | — | — |
| 2 - K Electric INC | Sang Chul Ko | — | (213) 663 4151 | Electricians | Los Angeles · Los Angeles County | — | — |
| 2 2 0 Carpet Installation | 2 2 0 Carpet Installation | — | (951) 565 7149 | Other | Hemet · Riverside County | — | — |
| 2 2 2 Builders | 2 2 2 Builders | — | (310) 995 7082 | GC, remodel, ADU | Carson · Los Angeles County | — | — |
| 2 A's Contracting INC | Bryon Keith Abshire | — | (559) 706 9393 | Electricians | Chowchilla · Madera County | — | — |
| 2 As Property Management & Remodel Corp | Anthony John Pascual | — | (909) 706 8892 | GC, remodel, ADU | Claremont · Los Angeles County | — | — |
| 2 B Fencing | 2 B Fencing | — | (916) 261 2181 | Other | Mc Cloud · Siskiyou County | — | — |
| 2 Bros And A Hose | Brian Keith Reilly | — | (415) 940 1900 | Other | Grass Valley · Nevada County | — | — |
| 2 Bros Construction INC | Aispuro Jonathan Guerrero | jordan@bros-construction.com | (619) 496 1364 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| 2 Brothers Construction INC | Mike Iloski | — | (760) 802 5539 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| 2 Brothers Custom Cabinets Corp | Marco Antonio Duran Andrade | — | (323) 412 6265 | Other | Los Angeles · Los Angeles County | — | — |
| 2 By 4 Construction Company | Chalabi-hajkarim Kasra | — | (714) 791 6381 | GC, remodel, ADU | Mission Viejo · Orange County | — | — |
| 2 Countries Framing INC | Avelar Rene Miron | — | (916) 546 6963 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| 2 D Max Floor Covering | Joe Max Vallejos | — | (916) 335 3857 | Other | Elverta · Sacramento County | — | — |
| 2 Day Painting | 2 Day Painting | — | (619) 646 5452 | Windows, patio, painters | San Diego · San Diego County | — | — |
| 2 De Durango INC | Mario Angel Garcia | — | (909) 518 0094 | GC, remodel, ADU | Pomona · Los Angeles County | — | — |
| 2 Down | 2 Down | — | (951) 775 4702 | Other | Murrieta · Riverside County | — | — |
| 2 Elements Heating & A/c | 2 Elements Heating & A/c | — | (562) 412 3238 | HVAC | Hacienda Heights · Los Angeles County | — | — |
| 2 Ground Electric | Gabriel Mckinley Fitch | — | (949) 382 6292 | Electricians | Irvine · Orange County | — | — |
| 2 H | 2 H | — | (415) 606 0729 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| 2 Homes INC | Nghia Chinh Nguyen | — | (408) 786 4221 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| 2 J's Custom Plumbing INC DBA 2 J's Custom Plumbing | Cervantes Hernandez Julio | — | (949) 891 3669 | Other | Anaheim · Orange County | — | — |
| 2 J's Plumbing Construction | Juan Ochoa Lomeli | — | (209) 233 7078 | Other | Merced · Merced County | — | — |
| 2 Kings Builders | Jeffrey Thomas Vonbargen | mail@kings-builders.com | (951) 336 9602 | GC, remodel, ADU | Norco · Riverside County | — | — |
| 2 Ko General Construction | Jose Luis Robles Garcia | kogeneralconstruction@gmail.com | (714) 628 6847 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| 2 M's Painting | 2 M's Painting | — | (818) 645 6453 | GC, remodel, ADU | Palmdale · Los Angeles County | — | — |
| 2 Mh Construction | Mehrzad Mosayebi Heravi | — | (951) 551 3434 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| 2 Minds Design Construction | Gonzalo Flores-Mayorga | — | (619) 721 7537 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| 2 Plumbs Up Plumbing & Remodeling INC | Donald Elmer Iv Ohalloran | — | (916) 345 0489 | GC, remodel, ADU | Rancho Cordova · Sacramento County | — | — |
| 2 R Construction | Romero Ramon | — | (510) 367 6131 | GC, remodel, ADU | Bay Point · Contra Costa County | — | — |
| 2 R Drilling INC | Brian Craig Serl | — | (909) 490 0530 | Other | Chino · San Bernardino County | — | — |
| 2 Scorpio Communications | 2 Scorpio Communications | — | (916) 412 2446 | Other | Lincoln · Placer County | — | — |
| 2 Sharp | Steven Roy Sharpless | — | (951) 833 7800 | Other | Redlands · San Bernardino County | — | — |
| 2 Sons Construction | Douglas Alan Ranabauer | — | (714) 681 3477 | GC, remodel, ADU | Covina · Los Angeles County | — | — |
| 2 The Point Construction | Walid Louis Makhlouf | — | (714) 305 9894 | GC, remodel, ADU | Yorba Linda · Orange County | — | — |
| 2 Tone Custom Painting | 2 Tone Custom Painting | — | (951) 634 7492 | Windows, patio, painters | Menifee · Riverside County | — | — |
| 2 Trees Backflow Two Trees Plumbing INC | Glenn Vaughn Irwin | — | (805) 284 6181 | Other | Oxnard · Ventura County | — | — |
| 2-d Stage Lighting Electric INC | Tracy Lloyd Boen | info@2dstageelectric.com | (619) 327 8866 | Electricians | El Cajon · San Diego County | — | — |
| 20 / 20 Plumbing & Heating INC | Charles Conaway Iii Cockey | — | (951) 396 2020 | HVAC | Riverside · Riverside County | — | — |
| 20 / 20 Roofing Co INC | Copado Saul | — | (760) 578 7799 | Other roofers | Indio · Riverside County | — | — |