| Business | Phone |
| A E Staley-Vico Products 2147 Riverlea Cir, Naperville 60565 | (630) 369-6660 |
| Alemer Holdings Llc 3648 White Eagle Dr, Naperville 60564 | (630) 922-8076 |
| Heartland Wheat Growers 2427 Kingsley Dr, Naperville 60565 | (630) 778-1614 |
| Cargill Inc 400 E Diehl Rd 330, Naperville 60563 | (630) 505-7788 |