| Business | Phone |
| A & W Hydraulic Hammer Sales 7079 Mission Gorge Rd, San Diego 92120 | (619) 582-1930 |
| Asi Marine & Ind 5038 Ruffner St # A, San Diego 92111 | (858) 268-1880 |
| Berendsen Fluid Power Inc 4380 Viewridge Ave, San Diego 92123 | (858) 279-8260 |
| South Bay Diesel & Hydraulics 3134 Main St, San Diego 92113 | (619) 233-1633 |
| National Ordinance Co 3647 Dalbergia St, San Diego 92113 | (619) 238-1280 |