- 3M Company
- Molex LLC
- TE Connectivity?Ltd
- Amphenol Corporation
- Harting Technology Group
- J.S.T. MFG. Co. Ltd
- ERNI Deutschland GmbH
- Kyocera Corporation
- Samtec Inc.
- Phoenix Contact GmbH & Co. KG
- Wago Corporation
- Hirose Electric Co. Ltd
- Wurth Elektronik GmbH & Co. KG