| Business | Phone |
| Bahp Co Inc 2555 Industry Ln # D, Norristown 19403 | (610) 635-2425 |
| Greater Philadelphia Chapter 2450 Boulevard Of Generals, Norristown 19403 | (610) 630-9540 |
| Infographic Systems Corp 2701 W Crossing Cir, Norristown 19403 | (610) 630-5880 |
| Security Services & Techs 2450 Boulevard Of The Generals, Norristown 19403 | (610) 630-1194 |
| Protection One Inc Norristown 19403 | (610) 337-2321 |