| Fire Alarm | |
| Silent Knight-Farenhyt, Gamewell-FCI, System Sensor, Space Age Electronics, Inc. | |
| Intercommunications/Nurse Call | |
| Bogen, Tektone, Cornell, Code Blue | |
| Pro Audio/Visual | |
| Atlas Sound, Bogen, QSC, Renkus-Heinz, Lowell, Mystery Electronics, Lab Gruppen, Lectrosonics, Sennheiser, Tascam, Shure, Innovason, Telex, Electro-Voice, Peavey AA, Rane, Australian Monitor, Mipro, Furman Sound, Astatic, Phonic, Soundcraft, AKG, Penton Audio, Ashly Audio | |
| Access Control/Security/CCTV | |
| Pelco, Hunt Electronics, Honeywell, Amano | |
