| Business | Phone |
| Whiting-Turner Contracting Co 2100 S W S Young Dr, Killeen 76543 | (254) 690-0052 |
| Dimensions International Inc Bldg 1958, Killeen 76544 | (254) 532-2143 |
| Mantech Mtise 72nd & Santa Fe Stamp;, Killeen 76544 | (254) 532-1743 |
| L-3 Communications Ilex Systs 256 Mohawk Dr, Killeen 76544 | (254) 519-2888 |