| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Johnson Bros. Roll Forming Co. | USA | |
| 2 | Seco Seals Inc. | USA | |
| 3 | Ace Seal LLC | USA | |
| 4 | Precision Rings Inc. of Indianapolis | USA | |
| 5 | Corru-Seals Inc. | USA | |
| 6 | T-Bird Group | USA | |
| 7 | Seal & Design Inc. | USA | |
| 8 | Accro-Seal A Kalpas Co. | USA | |
| 9 | B.J. Superior Inc. | USA | |
| 10 | United Ring & Seal Inc. | USA | |
| 11 | Fugesco Inc. | USA | |
| 12 | Honeycomb One | USA | |
| 13 | R.L. Hudson & Co. | USA | |
| 14 | Randolph Research Co. | USA |
