| 4th Generation Tree | Morgan Clay Scovell | — | (805) 462 2020 | Tree | Templeton · San Luis Obispo County | — | — |
| A-1 Tree Serv | A-1 Tree Serv | — | (805) 929 2520 | Tree | Nipomo · San Luis Obispo County | — | — |
| Ace Certified Tree Care | Ace Certified Tree Care | dave@acecertifiedtreecare.com | (805) 474 8013 | Tree | Arroyo Grande · San Luis Obispo County | — | — |
| Arbor First | Arbor First | arborfirst@sbcglobal.net | (805) 772 5400 | Tree | Morro Bay · San Luis Obispo County | — | — |
| Bryan Gage's Anything In Trees | Bryan Gage's Anything In Trees | — | (805) 543 3417 | Tree | San Luis Obispo · San Luis Obispo County | — | — |
| Bunyon Bros Green Waste INC | Ronald Egron Rinell | — | (805) 547 1903 | Tree | San Luis Obispo · San Luis Obispo County | — | — |
| Bunyon Bros Tree Care INC | Ronald Egron Rinell | — | (805) 547 1903 | Tree | San Luis Obispo · San Luis Obispo County | — | — |
| Bunyon Bros Tree Service | Ronald Egron Rinell | — | (805) 547 1903 | Tree | San Luis Obispo · San Luis Obispo County | — | — |
| C & C Tree Service | Channon Deone Clagg | — | (805) 434 0914 | Tree | Paso Robles · San Luis Obispo County | — | — |
| Calwest Tree Service In Slo | Calwest Tree Service In Slo | pasorobles996@gmail.com | (805) 536-0942 | Tree | San Luis Obispo · San Luis Obispo County | — | — |
| Cambria Pines Tree Service | Brayan Misael Pena Ramirez | — | (805) 927 4414 | Tree | Cambria · San Luis Obispo County | — | — |
| Central Coast Tree Specialist | Central Coast Tree Specialist | centralcoasttree@gmail.com | (805) 440-1262 | Tree | Cambria · San Luis Obispo County | — | — |
| Coastal Tree Experts INC | Sean C Ellis | — | (805) 772 7970 | Tree | Morro Bay · San Luis Obispo County | — | — |
| Cobb's Tree Care INC | Calvin Lloyd Cobb | — | (805) 489 3249 | Tree | Arroyo Grande · San Luis Obispo County | — | — |
| De Soto's Family Tree Service | Robert Kenneth De Soto | — | (805) 466 1360 | Tree | Atascadero · San Luis Obispo County | — | — |
| Diamond Tree Service | Edward Cecil Gambel | interested@domainmarket.com | (805) 434 1436 | Tree | Templeton · San Luis Obispo County | — | — |
| Figueroa Tree Service | Figueroa Fidel | — | (805) 345 6980 | Tree | Paso Robles · San Luis Obispo County | — | — |
| Golden State Tree Service | Jesus Rosales Morales | goldenstatetreeservice@gmail.com | (805) 835 1013 | Tree | Paso Robles · San Luis Obispo County | — | — |
| Greenvale Tree Company | Steven Robert Franzmann | — | (805) 544 1124 | Tree | San Luis Obispo · San Luis Obispo County | — | — |
| Heritage Tree Arboricultural Consulting | Heritage Tree Arboricultural Consulting | — | (805) 234-8760 | Tree | San Luis Obispo · San Luis Obispo County | — | — |
| Ike's Tree Service | Isaiah Cameron Anthony | — | (805) 975 2303 | Tree | San Miguel · San Luis Obispo County | — | — |
| J T S INC | Justin David Watson | — | (805) 489 9191 | Tree | Arroyo Grande · San Luis Obispo County | — | — |
| K W Curtis Enterprises INC DBA Whits Turn Tree Care | Whitney Nicholas Curtis | — | (805) 434 9630 | Tree | Templeton · San Luis Obispo County | — | — |
| Miller 4 INC DBA Rick's Tree Service | Craig Charles Miller | — | (805) 431 4345 | Tree | Nipomo · San Luis Obispo County | — | — |
| North Coast Tree Service | Tim Michael Radecki | — | (805) 927 8525 | Tree | Cambria · San Luis Obispo County | — | — |
| Paradise Tree Service | Logan William Wais | — | (805) 598 3500 | Tree | Nipomo · San Luis Obispo County | — | — |
| Sam's Tree 805 INC | Samuel Anthony Ramirez | — | (714) 309-8927 | Tree | Creston · San Luis Obispo County | — | — |
| San Luis Obispo Tree Service | San Luis Obispo Tree Service | — | (805) 329-3046 | Tree | San Luis Obispo · San Luis Obispo County | — | — |
| Schultz Tree Expert | Schultz Tree Expert | — | (805) 464 9109 | Tree | Atascadero · San Luis Obispo County | — | — |
| Scovell Tree Surgery | Scovell Tree Surgery | — | (805) 466-0252 | Tree | Atascadero · San Luis Obispo County | — | — |
| Victor Rocha | Victor Rocha | — | (805) 904 3620 | Tree | Grover Beach · San Luis Obispo County | — | — |
| West Coast Tree Service | Gergorio Celdon Avila | — | (805) 550 5489 | Tree | Cambria · San Luis Obispo County | — | — |