| Business | Phone |
| Dominion Building Products 53518 County Road 9, Elkhart 46514 | (574) 264-0638 |
| Doors Plus 1000 N Main St, Elkhart 46514 | (574) 264-1230 |
| Flex Form Technolgies 4955 Beck Dr, Elkhart 46516 | (574) 295-3777 |
| Global Building Products 21349 Protecta Dr, Elkhart 46516 | (574) 296-6868 |