| Activation Systems |
| American Signal Corp. | http://www.americansignal.com |
| Activation Systems |
| Audiotech Digital Signal Corp. | http://www.adsig.com |
| Apparatus |
| Federal Signal Corp. | http://www.federalsignal-indust.com |
| Apparatus |
| Jilin Province Hengtai Fireproof Cableway Mfg. | http://www.ht98.com |
| Combination |
| American Signal Corp. | http://www.americansignal.com |
| Combination |
| Crash Rescue Equipment Service, Inc. | http://www.crashrescue.com |
| Combination |
| MEDC Ltd. | http://www.medc.com |
| Combination |
| Safety Projects International, Inc. | http://www.spi5star.com |
| Drivers |
| American Signal Corp. | http://www.americansignal.com |
| Drivers |
| Elk Products, Inc. | http://www.elkproducts.com |
| Drivers |
| Federal Signal Corp. | http://www.federalsignal-indust.com |
| Electrical |
| American Signal Corp. | http://www.americansignal.com |
| Electrical |
| Audiotech Digital Signal Corp. | http://www.adsig.com |
| Electrical |
| Federal Signal Corp. | http://www.federalsignal-indust.com |
| Electrical |
| Howell Rescue Systems, Inc. | http://www.howellrescue.com |
| Electrical |
| Maxi-Signal Products Co. | http://www.maxi-signal.com |
| Mechanical |
| American Signal Corp. | http://www.americansignal.com |
| Mechanical |
| Audiotech Digital Signal Corp. | http://www.adsig.com |
| Mechanical |
| Federal Signal Corp. | http://www.federalsignal-indust.com |
| Stationary |
| American Signal Corp. | http://www.americansignal.com |
| Stationary |
| Audiotech Digital Signal Corp. | http://www.adsig.com |
|
| American Security Equipment Co. (AMSECO) | http://www.amseco-kai.com |
|
| American Signal Corp. | http://www.americansignal.com |
|
| Audiotech Digital Signal Corp. | http://www.adsig.com |
|
| Bound Tree Medical LLC | http://www.boundtree.com |
|
| ECCO | http://www.eccoWeb.com |
|
| Elk Products, Inc. | http://www.elkproducts.com |
|
| Federal Signal Corp. | http://www.federalsignal-indust.com |
|
| Fire Etc. | http://www.fire-etc.com |
|
| Gall's, Inc. | http://www.galls.com |
|
| Jack L. Slagle's Fire Equip. & Supply Co., Inc. | http://www.slaglefire.com |
|
| Leader Industries | http://www.leaderambulance.com |
|
| Rockland Fire Equipment Co., Inc. | http://www.rocklandfire.com |
|
| Signature Industries | http://www.signatureindustries.com |
|
| SoundOff Signal | http://www.soundoffsignal.com |
|
| Tri Lite, Inc. | http://www.triliteinc.com |