| Spark Detection |
| Argus Fire Control | http://www.argusfirecontrol.com |
| Spark Detection |
| Bourgeois & Associates, Inc. | http://www.lahotfire.com |
| Spark Detection |
| Clarke's Sheet Metal, Inc. | http://www.pyroguard.com |
| Spark Detection |
| Electronic Wood Systems, Int. | http://www.electronic-wood-systems.com |
| Spark Detection |
| Exploguard | http://www.exploguard.com |
| Spark Detection |
| FLAMEX, Inc. | http://www.sparkdetection.com |
| Spark Detection |
| Grecon, Inc. | http://www.grecon-us.com |
| Spark Detection |
| Hansentek | http://www.hansentek.com |
| Spark Detection |
| Henderson Industrial Specialties | http://www.hendersonindustrial.com |
| Spark Detection |
| Industrial Protection Devices | http://www.bsbipd.com
|
| Spark Detection |
| Minimax GmbH & Co. KG | http://www.minimax.de |