The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Intricon Corporation

Named as the FAA publishes it on its approvals.

Approved to make 3 classes of equipment. FAA spelling: IntriCon Corporation.

Equipment approvals technical standard order authorisations

2014-08-21TSO-C139a · AIRCRAFT AUDIO SYSTEMS AND EQUIPMENT · Aviation Headset, Ultra Aviation Headset · other and general
2008-09-29TSO-C139 · Aircraft Audio Systems and Equipment · Aviation Microphone · other and general
2007-05-09TSO-C58a · AIRCRAFT MICROPHONES (EXCEPT CARBON) · Boom Microphone · other and general

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.