| Business | Phone |
| Cal-Con Inc 9561 State Highway 89 N, Evanston 82930 | (307) 789-3707 |
| Dhv Intl Inc 76 Imperial Dr, Evanston 82930 | (307) 789-0952 |
| Newpark Drilling Fluids 111 Pasture Dr, Evanston 82930 | (307) 789-7421 |
| Slim-Tech 3845 State Highway 150 S, Evanston 82930 | (307) 789-2420 |