| Business | Phone |
| Graham Packaging Co 9041 Pittsburgh Ave, Rancho Cucamonga 91730 | (909) 484-2900 |
| Omega Extruding Corp 9614 Lucas Ranch Rd, Rancho Cucamonga 91730 | (909) 941-2800 |
| Sigma Stretch Film 9614 Lucas Ranch Rd, Rancho Cucamonga 91730 | (909) 987-8716 |