| Business Name | Address | |
| Admiral Lock & Security | 1317 Simpson Way # F Escondido, CA 92029 |
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| Adobe Lock & Safe | 184 S Rancho Santa Fe Rd San Marcos, CA 92078 |
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| A Locksmith Co | Po Box 2293 San Marcos, CA 92079 |
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| San Marcos Crossroads Lock | 206 W San Marcos Blvd San Marcos, CA 92069 |
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| Empire Lock Svc | 1010 N Twin Oaks Valley Rd San Marcos, CA 92069 |
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