| Business | Phone |
| C & G Converter Shop 301 W 28th St, National City 91950 | (619) 477-7720 |
| South Land Transmission Center 1400 Hoover Ave, National City 91950 | (619) 474-6988 |
| Manila Motor Works 25 E 18th St, National City 91950 | (619) 477-8313 |
| La Mesa Transmission & Engine 1031 National City Blvd, National City 91950 | (619) 477-9206 |