| Business | Phone |
| D Kal Engineering Contractors 738 Higuera St, San Luis Obispo 93401 | (805) 543-7758 |
| Is Robotics 3485 Sacramento Dr # C, San Luis Obispo 93401 | (805) 544-3436 |
| Operating Engineers Training Camp San Luis Obispo, San Luis Obispo 93401 | (805) 544-8699 |