| Business | Phone |
| Apex Alarms 1920 7th Ave, Watervliet 12189 | (518) 274-1443 |
| Hart Alarm Systems Inc 514 4th St # 1, Watervliet 12189 | (518) 272-2007 |
| Imperial Security Systems Inc 621 23rd St, Watervliet 12189 | (518) 273-7233 |
| Surelock Security Systems Inc 19 Verdun St, Watervliet 12189 | (518) 266-9020 |