| Business | Phone |
| Meiners Trading 4709 78th Pl, Urbandale 50322 | (515) 252-0679 |
| Broker Professionals Commodity Urbandale 50322 | (515) 278-6177 |
| Commodity Services Inc 2946 104th St, Urbandale 50322 | (515) 251-3100 |
| Summit Commodity Brokerage 3809 109th St B, Urbandale 50322 | (515) 276-4200 |