| Business | Phone |
| King-Reed & Assoc Ltd 21 Concourse Gate #12, Nepean K2E 7S4 | (613) 225-2252 |
| Loss Prevention Intl 1 Crofton Rd, Nepean K2G 0N1 | (613) 828-5288 |
| St Martin & Assoc 20 Cleopatra Dr, Nepean K2G 0B3 | (613) 228-2837 |
| National Polygraph Svc 75 Holitman Dr, Nepean K2J 2S5 | (613) 825-8391 |
| Profile Investigation Inc 3212 Richmond Rd, Nepean | (613) 721-1598 |
| Profile Investigation Inc 245 Stafford Rd W #202, Nepean K2H 9E8 | (613) 721-1603 |
| Response Security Systems 195 Stafford Rd W #107, Nepean K2H 9C1 | (613) 820-6193 |
| First Watch Security 42 Antares Dr #114b, Nepean K2E 7Y4 | (613) 228-2877 |