| Frediani Construction | David John Frediani | — | (209) 483 9546 | GC, remodel, ADU | Sonora · Tuolumne County | — | — |
| Fries Timber | Fries Timber | — | (209) 822 4041 | Tree | Groveland · Tuolumne County | — | — |
| G K A Electric | George Kenneth Amoruso | — | (209) 768 5199 | Electricians | Moccasin · Tuolumne County | — | — |
| G Seven | Karina Rubi Cotrone | — | (209) 532 2277 | Other | Sonora · Tuolumne County | — | — |
| G T Renard | G T Renard | — | (209) 928 5100 | Electricians | Tuolumne · Tuolumne County | — | — |
| Gallaghers Construction INC | Alan Clif Gallagher | — | (209) 352 8917 | GC, remodel, ADU | Tuolumne · Tuolumne County | — | — |
| Garber Lumber & Moulding INC | Brian Troy Garber | — | (209) 586 1687 | GC, remodel, ADU | Twain Harte · Tuolumne County | — | — |
| Garlington Electric Corp | Christopher Donn Garlington | — | (209) 768 5465 | Electricians | Soulsbyville · Tuolumne County | — | — |
| Garrison Electric Company | Gregory Mark Garrison | — | (209) 568 7840 | Electricians | Tuolumne · Tuolumne County | — | — |
| Gatewood Heating & Air INC | Jesse Alberto Lozoya | — | (209) 532 1473 | HVAC | Sonora · Tuolumne County | — | — |
| Gentis Construction INC | David Edward Gentis | — | (209) 532 6615 | Other | Sonora · Tuolumne County | — | — |
| Gentis Plumbing | Gentis Plumbing | — | (209) 768 6058 | Other | Sonora · Tuolumne County | — | — |
| George H Wigfall DBA George The Painter | George The Painter | — | (209) 298 5880 | GC, remodel, ADU | Groveland · Tuolumne County | — | — |
| Gibson Custom Landscape | Gibson Custom Landscape | — | (209) 984 9166 | Windows, patio, painters | Standard · Tuolumne County | — | — |
| Gilliatt Construction | Eric Robert Gilliatt | — | (209) 770 0131 | GC, remodel, ADU | Jamestown · Tuolumne County | — | — |
| Glenn H Kolpack INC | Glenn Harry Kolpack | — | (209) 743 5025 | GC, remodel, ADU | Sonora · Tuolumne County | — | — |
| Glynn Barnes Construction | Glynn Albert Barnes | — | (209) 768 4761 | GC, remodel, ADU | Moccasin · Tuolumne County | — | — |
| Go Getter Builder | Go Getter Builder | — | (209) 540-7531 | GC, remodel, ADU | Sonora · Tuolumne County | — | — |
| Gold Country Plumbing And Drain | Gold Country Plumbing And Drain | — | (209) 916 5818 | Other | Groveland · Tuolumne County | — | — |
| Golden Meadows Company | Miguel Angel Hernandez Barriga | — | (209) 876 0922 | Other | Sonora · Tuolumne County | — | — |
| Golden State Paint Co | Glenn Anthony Cravalho | info@goldenstatepaint.com | (209) 608 1413 | Windows, patio, painters | Sonora · Tuolumne County | — | — |
| Gookin Excavating | Gookin Excavating | — | (209) 770 3745 | Other | Columbia · Tuolumne County | — | — |
| Gpf Commercial | Gpf Commercial | — | (209) 743 3664 | Other | Twain Harte · Tuolumne County | — | — |
| Graham Home Inspections | Graham Home Inspections | — | (209) 928-4975 | Inspectors | Tuolumne · Tuolumne County | — | — |
| Granite Building & Development INC | Michael John Holland | — | (209) 743 2141 | GC, remodel, ADU | Sonora · Tuolumne County | — | — |
| Granite Peak Alarm LLC | Sean Allan Mccamish | — | (209) 651 0051 | Electricians | Standard · Tuolumne County | — | — |
| Grayum Construction | Peter Michael Grayum | — | (209) 840 3680 | GC, remodel, ADU | Columbia · Tuolumne County | — | — |
| Green Acres Construction Inc. | Green Acres Construction Inc. | — | (209) 432-8915 | GC, remodel, ADU | Sonora · Tuolumne County | — | — |
| Green Element Design | Green Element Design | nregan@greenelementdesign.com | (209) 586 3993 | Electricians | Mi Wuk Village · Tuolumne County | — | — |
| Green Tree World | Green Tree World | onegreentreeworld@gmail.com | (619) 517-6048 | Tree | Escondido · Tuolumne County | — | — |
| Greenlaw Construction Co | Mitchell Edward Greenlaw | — | (209) 532 7162 | GC, remodel, ADU | Twain Harte · Tuolumne County | — | — |
| Greenwald Pest Defense | Greenwald Pest Defense | — | (209) 206-8341 | Pest, tile roofs | Tuolumne · Tuolumne County | — | — |
| Greg Sonagere DBA On The Level Const | On The Level Const | — | (209) 586 1768 | GC, remodel, ADU | Twain Harte · Tuolumne County | — | — |
| Gregston Painting | Gregston Painting | — | (209) 494 3875 | Windows, patio, painters | Sonora · Tuolumne County | — | — |
| Grider Electric | Joshua Matthew Grider | — | (209) 768 6761 | Electricians | Sonora · Tuolumne County | — | — |
| Griffin Handyman Services | Griffin Handyman Services | — | (209) 770-1663 | GC, remodel, ADU | Tuolumne · Tuolumne County | — | — |
| Gunn Henderson Construction | Jordan Michael Mahnke | — | (209) 345 9315 | GC, remodel, ADU | Columbia · Tuolumne County | — | — |
| H Dudney Asphalt | H Dudney Asphalt | — | (209) 770 3134 | Other | Jamestown · Tuolumne County | — | — |
| H L Culpepper Roofing | Mitchell Lane Wilson | — | (209) 532 0371 | Other roofers | Sonora · Tuolumne County | — | — |
| Hagstrom Construction | Jon Michael Hagstrom | johnhagstrom86@yahoo.com | (860) 376-4558 | GC, remodel, ADU | Sonora · Tuolumne County | — | — |