Leading Suppliers Globally for Connectors, Hose, National Pipe Thread (NPT), Female Hexagonal Coupling

1. TE Connectivity
2. Amphenol Corporation
3. Molex LLC
4. Delphi Connection Systems
5. Carlisle Interconnect Technologies
6. ITT Cannon
7. Bel Fuse Inc.
8. Hirose Electric Co., Ltd.
9. Harting Technology Group
10. Eaton Corporation

These companies are reputable global suppliers of various types of connectors, hoses, National Pipe Thread (NPT), and Female Hexagonal Couplings.