| Business | Phone |
| American National Bank 800 E 7th St, Gillette 82716 | (307) 682-5161 |
| Bank Of Gillette 2800 S 4j Rd, Gillette 82718 | (307) 685-2702 |
| Bank Of The West 800 E 7th St, Gillette 82716 | (307) 686-1548 |
| Cowboy State Bank 511 E 4th St 4, Gillette 82716 | (307) 682-3112 |
| First Interstate Bank 2201 S Douglas Hwy, Gillette 82718 | (307) 687-4396 |
| First Interstate Bank 222 S Gillette Ave, Gillette 82716 | (307) 682-5144 |
| First National Bank-Gillette 319 S Gillette Ave, Gillette 82716 | (307) 686-3300 |
| Wells Fargo Bank 2610 S Douglas Hwy, Gillette 82718 | (307) 686-2061 |
| Wells Fargo Bank 500 S Douglas Hwy, Gillette 82716 | (307) 685-4000 |
| Us Bank 509 S Douglas Hwy, Gillette 82716 | (307) 686-8117 |
| Security State Bank 2124 S Douglas Hwy, Gillette 82718 | (307) 686-8080 |