- Monolink Electronic Fire & Security (Address: 71 Garron Lane, South Ockendon RM15 5JQ)Location: RomfordCategory: Security Companies
- A & M Security Co (Address: 1st floor, Pacific House, Hertford Rd, Barking IG11 8BL)Location: RomfordCategory: Security Companies
- Total Security Installations Ltd (Address: 5 Dolphin Point, Dolphin Way, Purfleet RM19 1NR)Location: RomfordCategory: Security Companies
- PRIVATE ARMY SECURITY SYSTEMS (Address: 86-90, Paul Street, London EC2A 4NE)Location: RomfordCategory: Security Companies
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