| Business | Phone |
| Camp Stamp Inc Po Box 80697, San Diego 92138 | (858) 576-2273 |
| Caring Products San Diego 92123 | (858) 576-2273 |
| Ready Stamps-United Crbrl Plsy 10405 San Diego Msn Rd # 103, San Diego 92108 | (619) 282-8790 |
| On-Line Stamps Po Box 121763, San Diego 92112 | (619) 232-5890 |