| Ace Tree Service | Brian Edward Finigan | — | (209) 768 6226 | Tree | Sonora · Tuolumne County | — | — |
| California Reforestation INC | William Earl Dorrell | mail@calreforest.com | (209) 586 2115 | Tree | Sonora · Tuolumne County | — | — |
| Crook Logging INC | Russell Donald Crook | — | (209) 962 7716 | Tree | Groveland · Tuolumne County | — | — |
| Down To Earth Engineering | Down To Earth Engineering | — | (209) 962 7407 | Tree | Groveland · Tuolumne County | — | — |
| Forest & Land Works | Forest & Land Works | — | (209) 768 9351 | Tree | Sonora · Tuolumne County | — | — |
| Fries Timber | Fries Timber | — | (209) 822 4041 | Tree | Groveland · Tuolumne County | — | — |
| Green Tree World | Green Tree World | onegreentreeworld@gmail.com | (619) 517-6048 | Tree | Escondido · Tuolumne County | — | — |
| Joe Cover & Sons INC | Benjamin Allen Cover | — | (209) 928 4433 | Tree | Tuolumne · Tuolumne County | — | — |
| Left Coast Land Clearing | Sasha Joaquin Farkas | — | (209) 536 9174 | Tree | Sonora · Tuolumne County | — | — |
| Leslie Tree Service | Colleen Marie Leslie | — | (209) 840 1827 | Tree | Sonora · Tuolumne County | — | — |
| Lugo's Expert Tree Service | Gustavo Lugo | — | (510) 706 0802 | Tree | Tuolumne · Tuolumne County | — | — |
| Minners Tree Company INC | Arend Luis Minners | — | (209) 591 3747 | Tree | Sonora · Tuolumne County | — | — |
| Modesto Tree Service Company | Modesto Tree Service Company | — | (626) 889-7751 | Tree | Baldwin Park · Tuolumne County | — | — |
| Mother Lode Tree Service LLC | Jake Randall Fuller | — | (209) 890 5438 | Tree | Sonora · Tuolumne County | — | — |
| Nate's Tree Service INC | Michelle Rose Gray | — | (209) 532 2460 | Tree | Sonora · Tuolumne County | — | — |
| New Green Earth Tree Care Inc. | New Green Earth Tree Care Inc. | — | (760) 550-7341 | Tree | Bonsall · Tuolumne County | — | — |
| Poston Logging LLC | Terry Lyn Poston | — | (209) 532 2423 | Tree | Sonora · Tuolumne County | — | — |
| Rocky's Tree Care INC DBA Rocky's Tree Gear | Rocky James Rozadilla | — | (209) 352 7433 | Tree | Sonora · Tuolumne County | — | — |
| Rocky’s Tree Care | Rocky’s Tree Care | — | (209) 202-3232 | Tree | Sonora · Tuolumne County | — | — |
| Russell Donald Crook | Russell Donald Crook | — | (209) 768 2764 | Tree | Groveland · Tuolumne County | — | — |
| Sawyer Tree Management | Clayton Arthur Mermod | — | (209) 743 6482 | Tree | Sonora · Tuolumne County | — | — |
| Scott Timber Contracting INC | Frank Eugene Jr Scott | — | (209) 768 6615 | Tree | Mi Wuk Village · Tuolumne County | — | — |
| Sindelar Tree Service INC | Timothy John Alfred Sindelar | — | (209) 559 0124 | Tree | Sonora · Tuolumne County | — | — |
| Smci / Obayashi Joint Venture | Corporation Obayashi | — | (209) 928 1900 | Tree | Sonora · Tuolumne County | — | — |
| Timberline Forest Management LLC | Justin Fredrick Scott | — | (209) 352 9340 | Tree | Jamestown · Tuolumne County | — | — |
| Timbertech Tree Co | Shawn Thomas Finigan | — | (209) 768 7466 | Tree | Standard · Tuolumne County | — | — |
| Tmc Construction And Tree Service | Tmc Construction And Tree Service | — | (209) 962-6938 | Tree | Groveland · Tuolumne County | — | — |
| Tom's Tractor & Tree | Tom's Tractor & Tree | — | (209) 352-3161 | Tree | Tuolumne · Tuolumne County | — | — |
| Twain Harte Tree Service INC | Zachary Wells Nye | info@twainhartetreeservice.com | (209) 586 2254 | Tree | Twain Harte · Tuolumne County | — | — |