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| A-PLUS COMMUNICATIONS | UPLAND, CA | (909) 982-5358 |
| DATA NET TELESYS GROUP | UPLAND, CA | (909) 484-7690 |
| INLAND INFORMATION SYSTEMS | 1495 W 9TH ST UPLAND, CA | (909) 946-5891 |
| ISN EXPRESS CENTER | 2016 W FOOTHILL BLVD UPLAND, CA | (909) 608-2100 |
| PACIFIC TELASSIST | 1495 W 9TH ST UPLAND, CA | (909) 985-5775 |
| S B COMMUNICATIONS | UPLAND, CA | (909) 944-3366 |
| ZENDEJAS TELEPHONE CO | UPLAND, CA | (909) 946-5056 |
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