| Business | Phone |
| Westjet Air Ctr Inc 4160 Fire Station Rd, Rapid City 57703 | (605) 393-2500 |
| Computer Sciences Corp 4750 Guard Rd, Rapid City 57703 | (605) 393-8108 |
| Duncan Aviation 4750 Guard Rd, Rapid City 57703 | (605) 393-8383 |
| Empire Airlines 4250 Fire Station Rd, Rapid City 57703 | (605) 393-1454 |