| Heemstra Signs | Heemstra Signs | sales@heemstrasigns.com | (909) 792 2407 | Other | Redlands · San Bernardino County | — | — |
| Heights Electric Company | Fritz Fredrick Schlegel | — | (619) 520 2895 | Electricians | Apple Valley · San Bernardino County | — | — |
| Helfman Construction | Travis James Helfman | — | (760) 221 3328 | GC, remodel, ADU | Morongo Valley · San Bernardino County | — | — |
| Helma Builders INC | Jonathan Yin | — | (909) 841 0684 | GC, remodel, ADU | Colton · San Bernardino County | — | — |
| Help Plumbing Haddicks Everyday Low Price | Steven Clarence Haddicks | — | (760) 782 7282 | Other | Joshua Tree · San Bernardino County | — | — |
| Helping Hand Plumbing And Drain Cleaning Services | Ralph Raymond Hopper | — | (760) 242 4004 | Other | Apple Valley · San Bernardino County | — | — |
| Helping Hand Services | Sean Eugene Magin | — | (909) 615 3694 | HVAC | Alta Loma · San Bernardino County | — | — |
| Hemanot Design & Construction INC | Magdy Tawfik Tadros | — | (909) 833 0801 | GC, remodel, ADU | Redlands · San Bernardino County | — | — |
| Hemar General Construction | Maricela Bobadilla | — | (760) 964 2166 | GC, remodel, ADU | Phelan · San Bernardino County | — | — |
| Hemingway Sheet Metal INC | Meagan Ann Siana | — | (760) 956 5160 | Other | Apple Valley · San Bernardino County | — | — |
| Hendley Enterprises Silver Valley Septic | Jeffrey James Gallistel | — | (760) 254 2155 | Other | Yermo · San Bernardino County | — | — |
| Henry Andronicos INC DBA United Builders | Grayson Wyattcharles Andronicos | dev@pinkparadigm.co | (909) 969 8976 | GC, remodel, ADU | Rancho Cucamonga · San Bernardino County | — | — |
| Henry Bush Plumbing Heating Air & Home Energy Solutions | Keri Rae Miner | — | (909) 335 0535 | HVAC | Redlands · San Bernardino County | — | — |
| Henry Heat And Air Construction Services | Nguyen Dominic | — | (909) 762 2732 | HVAC | Fontana · San Bernardino County | — | — |
| Henry Minkler Jr Construction | Henry Churchill Jr Minkler | — | (951) 378 0220 | GC, remodel, ADU | Yucaipa · San Bernardino County | — | — |
| Henry Plastering Corp | Darrell Scott Henry | — | (909) 890 4500 | Other | Redlands · San Bernardino County | — | — |
| Henry's Plumbing Services | Sri Nadan Naidu | — | (909) 553 2807 | GC, remodel, ADU | Upland · San Bernardino County | — | — |
| Hensley Electric INC | Jarrod Michael Hensley | bruce@hensleyelectric.com | (913) 980-5467 | Electricians | Rancho Cucamonga · San Bernardino County | — | — |
| Henson Construction Co | Kevin Douglas Henson | — | (909) 772 0131 | GC, remodel, ADU | Mentone · San Bernardino County | — | — |
| Henson Overhead Garage Door Co | Robert Keith Henson | — | (760) 713 7917 | Other | Hesperia · San Bernardino County | — | — |
| Heraclio Herrera | Heraclio Herrera | — | (760) 686 3306 | GC, remodel, ADU | Hesperia · San Bernardino County | — | — |
| Heriberto Lopez | Heriberto Lopez | — | (909) 744 7014 | GC, remodel, ADU | Blue Jay · San Bernardino County | — | — |
| Heritage Construction Ca LLC | Andrew Christopher Hernandez | — | (909) 568 1717 | GC, remodel, ADU | Highland · San Bernardino County | — | — |
| Heritage Custom Landscapes INC | Dan Wayland Peters | — | (951) 966 4499 | Electricians | Rancho Cucamonga · San Bernardino County | — | — |
| Heritage Design & Build LLC | Wade Tracy Prater | — | (909) 544 0934 | Electricians | Ontario · San Bernardino County | — | — |
| Heritage Design Build And Consulting | Wade Tracy Prater | — | (909) 986 3780 | Electricians | Ontario · San Bernardino County | — | — |
| Herman And Charles INC | Michael James Whitney | estimating@hermancharles.com | (951) 990 6700 | Electricians | Hesperia · San Bernardino County | — | — |
| Herman Weissker Power INC DBA Hw Power | Sebastian John Passanisi | — | (562) 373 4949 | Electricians | Chino · San Bernardino County | — | — |
| Herman's Carpets | Veronica Garcia Romero | — | (909) 429 9157 | Other | Fontana · San Bernardino County | — | — |
| Hermanos Grading INC DBA Ortega Construction | Reyes Ortega Madrigal | — | (909) 873 1453 | GC, remodel, ADU | Bloomington · San Bernardino County | — | — |
| Herme's Plumbing | Herme's Plumbing | — | (909) 201 1403 | Other | Rancho Cucamonga · San Bernardino County | — | — |
| Hernandez Construction | Agustin Jaime Hernandez Flores | oscarghernandezalberto@gmail.com | (951) 591 1411 | GC, remodel, ADU | Oak Hills · San Bernardino County | — | — |
| Hernandez Fencing INC | Carlos Gomez | — | (909) 952 1301 | Other | Chino · San Bernardino County | — | — |
| Hernandez Painting | Hernandez Painting | — | (909) 428 4106 | Windows, patio, painters | Fontana · San Bernardino County | — | — |
| Hernandez Roofing Services INC | Jose Raul Hernandez Torres | — | (760) 475 0788 | Other roofers | Victorville · San Bernardino County | — | — |
| Hernandez Wrought Iron INC | Lino Hernandez | — | (909) 627 1716 | Other | Ontario · San Bernardino County | — | — |
| Hero Coatings | Hero Coatings | — | (909) 993 4138 | Windows, patio, painters | Ontario · San Bernardino County | — | — |
| Hero Electric | Gustavo Jr Contreras | itc@heroelectric.com | (909) 275 9233 | Electricians | Fontana · San Bernardino County | — | — |
| Herrera General Contractors INC | Francisco Javier Herrera Fuentes | — | (951) 965 3442 | GC, remodel, ADU | Big Bear Lake · San Bernardino County | — | — |
| Herrera's Electric | Noe Enmanuel Herrera | — | (562) 212 3176 | Electricians | Hesperia · San Bernardino County | — | — |