Sigtronics CORP.
Named as the FAA publishes it on its approvals.
Approved to make 2 classes of equipment. FAA spelling: Sigtronics Corp..
Equipment approvals technical standard order authorisations
2003-05-08TSO-C50C · Audio Selector Panels And Amplifiers · Audio Selector Panels and Amplifiers, (Production Model) · other and general
TSO-C50B · Aircraft Audio And Interphone Amplifiers · *, * · 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.