| Business | Phone |
| Hoosier Molded Products 3603 Progress Dr, South Bend 46628 | (574) 235-7900 |
| Jms Plastics Inc 52275 Indiana State Route 933, South Bend 46637 | (574) 277-3228 |
| Plastic Solutions Inc 701 W Chippewa Ave, South Bend 46614 | (574) 288-2100 |
| Spi Industries 19850 State Line Rd, South Bend 46637 | (574) 272-3733 |