| Business | Phone |
| Chappell Central Inc 317 Garden Ave, Holland 49424 | (616) 392-4502 |
| Custom Sheet Metal 195 Manufacturers Dr 2, Holland 49424 | (616) 786-4560 |
| Holland Sheet Metal Products 467 E Lakewood Blvd, Holland 49424 | (616) 392-3394 |
| Imcs Fabricators Inc 635d E 48th St, Holland 49423 | (616) 355-2800 |
| Royal Sheet Metal 3369 John F Donnelly Dr, Holland 49424 | (616) 786-0800 |