| Business | Phone |
| Analytical Solutions Inc 5608 Southpoint Centre Bl 100, Fredericksburg 22407 | (540) 834-2074 |
| Express Technologies 1127 International Pkwy 293, Fredericksburg 22406 | (540) 752-6691 |
| Greenman-Pedersen 700 Westwood Office Park, Fredericksburg 22401 | (540) 372-4392 |
| Navarro Research & Engrg Inc 6006 Waterman Dr, Fredericksburg 22407 | (540) 710-2796 |
| Oberon Associates Inc 4121 Plank Rd, Fredericksburg 22407 | (540) 972-6865 |
| Vitatech Engineering 115 Juliad Ct 105, Fredericksburg 22406 | (540) 752-9277 |
| View Engineering 910 Princess Anne St, Fredericksburg 22401 | (540) 368-1668 |
| Super Structures Inc Fredericksburg 22408 | (540) 891-7227 |
| Pompeii Engineers 2217 Princess Anne St # 211-2, Fredericksburg 22401 | (540) 899-9195 |