| Business | Phone |
| Cal Poly Compost San Luis Obispo 93407 | (805) 756-6413 |
| Cal Poly Compost Project Cal Poly Campus, San Luis Obispo 93407 | (805) 756-6413 |
| J J's Landscape Products 5450 Edna Rd, San Luis Obispo 93401 | (805) 544-1318 |
| Noble Power Equipment 2935 S Higuera St, San Luis Obispo 93401 | (805) 541-6090 |
| Pacific Landscape Supply 778 Marsh St, San Luis Obispo 93401 | (805) 544-4100 |