Hutchinson / Barry Controls
http://www.barrycontrols.com/Shock & Vibration Mounts, Custom gaskets & seals
Insulfab
https://www.insulfab.net/Electrical, thermal and acoustical insulation products. Heat management for enclosures. Fabricated plastics.
Radiall
https://www.radiall.comRF coaxial connectors, antennas, microwave components, fiber optic and multi-pin connectors
Teviot
http://www.teviottechnology.comNext Generation Smart Lithium Ion Battery Packs and Smart Battery Management Systems