| Business | Phone |
| Capitol Products 39 Mcwhirt Loop 103, Fredericksburg 22406 | (540) 361-1551 |
| Dillard Alarm Co 10705 Sunrise Ln, Fredericksburg 22407 | (540) 898-0771 |
| Soundly Engineered Systems 4612 Harrison Rd, Fredericksburg 22408 | (540) 898-7233 |
| Dynamark Security Ctr 4743 Jefferson Davis Hwy, Fredericksburg 22408 | (540) 898-7213 |
| Firefighters Professionals 1213 Central Park Blvd, Fredericksburg 22401 | (540) 548-0199 |
| Integrated Systems Technology 181 Kings Hwy, Fredericksburg 22405 | (540) 361-4900 |
| Vaughn Security & Electric Fredericksburg 22401 | (540) 373-8505 |
| Vector Security Westwood Office Park, Fredericksburg 22408 | (540) 891-1100 |
| Protective Services Inc 1127 International Pkwy # 201, Fredericksburg 22406 | (540) 752-2538 |