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

Parker Hannifin Corporation Gull Electronics Systems Division

Named as the FAA publishes it on its approvals.

Approved to make 2 classes of equipment. FAA spelling: Parker Hannifin Corporation Gull Electronics Systems Division.

Equipment approvals technical standard order authorisations

2005-04-07TSO-C55 · FUEL AND OIL QUANTITY INSTRUMENTS (RECIPROCATING ENGINE AIRCRAFT) · *, *, * · engine
1999-01-01TSO-C113 · AIRBORNE MULTIPURPOSE ELECTRONIC DISPLAYS · *, *, * · 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.