| Business | Phone |
| Expert Chemical Analysis 10366 Roselle St # C, San Diego 92121 | (858) 535-9979 |
| Advanced Chemical Safety 7563 Convoy Ct, San Diego 92111 | (858) 874-5577 |
| Poly Comp Technologies 7945 Silverton Ave # 1101, San Diego 92126 | (858) 530-2151 |
| Designer Molecules Inc 9950 Scripps Lake Dr, San Diego 92131 | (858) 348-1122 |