 3M |
|
 Argus Corporation |
 Bilsom |
|
 Custom Protect Ear Inc. |
 David Clark Company Incorporated |
|
 E-A-R |
 Elvex Corporation |
|
 ERB Industries, Inc. |
 Flents Products Company, Inc. |
|
 Gentex Corporation Electro-Acoustic Business Group |
 Howard Leight |
|
 Insta-Mold Products, Inc. |
 Magid Glove and Safety Manufacturing Company, LLC |
|
 Moldex-Metric, Inc. |
 North Safety Products |
|
 Pacific Coast Laboratories, Inc. |
 Peltor |
|
 Precision Laboratories, Inc. |
 Santa Barbara Medco, Inc. |
|
 SensGard LLC |
 Sonomax |
|
 Tasco Corporation |
 Westone Laboratories |
|
|
