| Business | Phone |
| Henke Manufacturing Inc 3100 Wilson Ave, Leavenworth 66048 | (913) 682-9000 |
| Booz Allen & Hamilton Inc 1100 N 2nd St, Leavenworth 66048 | (913) 682-5300 |
| Reger Associates Inc 1000 S 4th St # A, Leavenworth 66048 | (913) 651-5526 |
| Decisive-Point Po Box 804, Leavenworth 66048 | (913) 772-0006 |
| Elephantine Corp 720 Shawnee St, Leavenworth 66048 | (913) 758-0823 |