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

Gdc Engineering INC

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Mcdonnell Douglas DC-9. FAA spelling: GDC Engineering Inc.

Approved modifications 2 · newest first

2017-09-19ST02320AT · Installation of galleys and stowage units. Approved for serial numbers 49151, 49152, 49877, and 49900 on DC-9-82;... · DC-9-83 (MD-83), DC-9-82 (MD-82)
2017-06-20ST01850NY · Installation of Tailwind 550/560 Live TV System. · 737-100 Series, 737-200 Series, 737-200C Series

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.