| Business | Phone |
| 3rd Wave Ukulele 220 Suburban Rd, San Luis Obispo 93401 | (805) 544-0824 |
| Ernie Ball Inc 151 Suburban Rd, San Luis Obispo 93401 | (805) 544-7726 |
| National Reso-Phonic Guitars 871 Via Esteban # C, San Luis Obispo 93401 | (805) 546-8442 |
| Pittuba Inc 870 Capitolio Way # 6, San Luis Obispo 93401 | (805) 549-8530 |