| Lakeside Union School District |
| 12335 Woodside Ave. P.O. Box 578 |
| Lakeside, CA 92040 |
| Phone: (760) 723-7020 |
| Fax: (760) 723-3995 |
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| Advanced Electronic Solutions |
| 1220 Greenfield Drive |
| El Cajon, CA 92021 |
| Phone: (619) 691-4111 |
| Fax: (619) 691-2584 |
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| Advanced home wiring systems |
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| Grossmont Schools Federal Credit Union |
| 1069 Graves Ave. , Suite 102 |
| El Cajon, CA 92021 |
| Phone: (858) 967-7455 |
| Fax: (858) 967-7045 |
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| Ranger Private Patrol |
| 1524 Graves Ave. , Suite C |
| El Cajon, CA 92021 |
| Phone: (858) 658-7555 |
| Fax: (858) 658-7569 |
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