| Business | Phone |
| Bags & Packaging Chula Vista 91910 | (619) 426-7872 |
| Postal Annex+ 374 E H St # A, Chula Vista 91910 | (619) 585-7400 |
| Postal Annex+ 601 E Palomar St, Chula Vista 91911 | (619) 397-2960 |
| Package Seal Systems 1635 Montana Rd, Chula Vista 91913 | (619) 934-4702 |
| Kelco Packaging Whol 2474 Main St # B, Chula Vista 91911 | (619) 423-0127 |