| Hutchings Construction | Daryl Keith Hutchings | — | (408) 354 5858 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Hv Mechanical | Holovatyi Vadym | — | (669) 292 8238 | HVAC | Santa Clara · Santa Clara County | — | — |
| HVAC All Seasons INC | Ievgen Prokhorenko | — | (510) 342 8096 | HVAC | Sunnyvale · Santa Clara County | — | — |
| HVAC Bay Services INC | Fuzuli Bayramli | — | (650) 625 7475 | HVAC | San Jose · Santa Clara County | — | — |
| HVAC Dome INC | Daniel Rocha-Cruz | office@hvacdome.com | (669) 294 7008 | HVAC | San Jose · Santa Clara County | — | — |
| HVAC Guru | Zeevi Lior | — | (408) 499 0494 | HVAC | San Jose · Santa Clara County | — | — |
| Hvacerz | Barsin Isakhani | websolutionsfirm77@gmail.com | (408) 819 5000 | HVAC | San Jose · Santa Clara County | — | — |
| Hwh Home And Garden DBA Hwh Home | Daniel Brian Haniger | — | (650) 204 4444 | GC, remodel, ADU | Cupertino · Santa Clara County | — | — |
| Hy Construction | Yu Haibo | — | (650) 919 3467 | GC, remodel, ADU | Mountain View · Santa Clara County | — | — |
| Hy General Construction INC | Phong A Su | — | (408) 835 4920 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Hy Spectrum Builder INC | Xiling Yan | — | (650) 457 7777 | GC, remodel, ADU | Cupertino · Santa Clara County | — | — |
| Hyatt Electric INC | Louis Kovacs | — | (408) 559 1330 | Electricians | Saratoga · Santa Clara County | — | — |
| Hyland Studio At Manufacturers Glass | Mary Jo Hyland | — | (408) 709 5996 | Windows, patio, painters | Santa Clara · Santa Clara County | — | — |
| Hylton Plumbing INC | Steven Michael Hylton | — | (408) 226 1076 | Other | San Jose · Santa Clara County | — | — |
| Hyve Electric | Mohammad Reza Fallahi | — | (408) 807 3008 | Electricians | San Jose · Santa Clara County | — | — |
| I - Wire Networks INC | Edgardo Agredano | — | (408) 413 9478 | Other | Gilroy · Santa Clara County | — | — |
| I Build INC | Luis Angel Rivas Aguilar | — | (408) 394 9396 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| I C E Refrigeration | I C E Refrigeration | — | (408) 970 0225 | HVAC | Gilroy · Santa Clara County | — | — |
| I C S Integrated Communication Systems | Aaron Foster Colton | — | (408) 491 6000 | Electricians | San Jose · Santa Clara County | — | — |
| I D C Engineering | Rod Farsai | — | (408) 287 2000 | HVAC | San Jose · Santa Clara County | — | — |
| I K N Construction INC | Jose Manuel Alvarado Castaneda | — | (408) 401 2806 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| I M E Core Drilling INC | Enrique Campos Guzman | — | (408) 591 7527 | Other | San Jose · Santa Clara County | — | — |
| I Q Construction Corp | Quiroz Carrillo Ignacio | — | (408) 694 8666 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| I Q V Construction & Roofing | Michael Joseph Green | — | (408) 638 5500 | Other roofers | San Jose · Santa Clara County | — | — |
| I S A And Bros INC | Isaias Gonzalez | — | (408) 854 3147 | Electricians | San Jose · Santa Clara County | — | — |
| I X L Builders INC | Kyu Hui Lee | — | (415) 966 5346 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Iacomini Construction Co INC | Vincenzo Mario Iacomini | enzo@iacominiconstruction.com | (408) 806 8599 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Iain Baxter General Contractor INC | Iain David Baxter | — | (408) 857 9509 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Ian & Issac Company INC | Young Do Kim | — | (408) 438 8939 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Ian Geddes Tree Care INC | David Ian Geddes | — | (408) 374 8233 | Tree | Saratoga · Santa Clara County | — | — |
| Ian Hobson Construction | Ian O'connor Hobson | — | (408) 353 3344 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Ias Hardwood Floor | Ias Hardwood Floor | — | (408) 592 7123 | Other | Mountain View · Santa Clara County | — | — |
| Ibm Construction And Electrical INC DBA Ibm Electrical | Moshe Idan Ben | — | (714) 277 7765 | Electricians | San Jose · Santa Clara County | — | — |
| Ibuild Construction | Cesar Gabriel Oropeza | — | (650) 285 9960 | Electricians | East Palo Alto · Santa Clara County | — | — |
| Ibuild Development INC | Lixia Liang | — | (669) 225 5759 | Electricians | San Jose · Santa Clara County | — | — |
| Ibuilders Design And Build INC | Assedou Alon | — | (650) 770 3586 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Icc General Contractors INC | Iraj Imani-Tafti | — | (408) 733 6656 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Ice Age Enviromental | Ice Age Enviromental | — | (408) 665 6169 | HVAC | Gilroy · Santa Clara County | — | — |
| Icm Concrete | Icm Concrete | — | (408) 767 1695 | Other | Gilroy · Santa Clara County | — | — |
| Ico Construction | Ivan Day Pinedo | — | (408) 294 4426 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |