| Business | Phone |
| Ess Tec Inc 128 Aniline Ave N, Holland 49424 | (616) 394-0230 |
| Kam Industries 611 Ottawa Ave, Holland 49423 | (616) 355-5900 |
| L S Molds 750 Waverly Ct, Holland 49423 | (616) 392-5926 |
| Liberty Plastics Inc 13215 Quincy St, Holland 49424 | (616) 994-7033 |
| West Michigan Plastics 5745 143rd Ave, Holland 49423 | (616) 394-9269 |
| Stone Plastics & Manufacturer Inc 570 E 16th St # 110, Holland 49423 | (616) 392-1569 |