| Business | Phone |
| Reuben Klamer Studio K-Toylab 10635 Roselle St # D, San Diego 92121 | (858) 454-6151 |
| Product Development Resource 9853 Pacific Heights Blvd, San Diego 92121 | (858) 546-9100 |
| Goudy Enterprises 3551 Wilson Ave, San Diego 92104 | (619) 804-1231 |
| Invention-Aid 4850 Mount Hay Dr, San Diego 92117 | (858) 565-1660 |
| Jbt Technologies 1318 Cornet Pl, San Diego 92154 | (619) 271-9325 |