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

Penny & Giles Aerospace

Named as the FAA publishes it on its approvals.

Approved to make 4 classes of equipment. FAA spelling: Penny & Giles Aerospace.

Equipment approvals technical standard order authorisations

1994-01-01TSO-C49B · ELECTRIC TACHOMETER: MAGNETIC DRAG (INDICATOR AND GENERATOR) · *, *, * · instruments and avionics
1994-01-01TSO-C49B · ELECTRIC TACHOMETER: MAGNETIC DRAG (INDICATOR AND GENERATOR) · *, *, * · instruments and avionics
TSO-C44B · Fuel Flowmeters · *, *, * · other and general
TSO-C43C · Temperature Instruments · *, *, * · 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.