Hilco Industrial
Hobsource, Inc.
Hoffmann Filter Corp.
Holroyd Precision Ltd.
Horn USA, Inc.
Horsburgh & Scott
Houston Gear USA
Hydra-Lock Corporation
IDC Industries
Ideal Gear and Machine Works
IMT Forge Group
Index Technologies
Induction Tooling, Inc.
Inductoheat Incorporated
Industrial Encoder Corporation
Industrial Physics
Industrial Tube and Steel Corporation
Infinity Asset Solutions
Innovative Rack & Gear Co, Inc.
Institute of Electrical and Electronics Engineers (IEEE)
Intech Corporation
International Organization for Standardization (ISO)
Intra Aerospace
Involute Gear & Machine
InvoSpline, Inc.
Ion Vacuum ( IVAC)
Ionbond
Iosso Metal Processes
Ipsen
ITAMCO
ITW Heartland
J. Schneeberger Corporation
J.L. Becker Company
James Engineering
JCMT
Jerry Tools, Inc.