| Business | Phone |
| Action Mfg & Marketing Co Lockport 60441 | (815) 723-2522 |
| Flow-Con Industries Inc 20648 Gaskin Dr, Lockport 60441 | (815) 836-0231 |
| Mbq Systems Inc 1629 S Hamilton St 2, Lockport 60441 | (815) 834-0988 |
| Homer Industries Llc 13900 S Archer Ave, Lockport 60441 | (815) 838-0863 |