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

St. Louis Aircraft Corporation

Holds 2 type certificates (2 models). FAA spelling: St. Louis Aircraft Corporation.

Type certificates 2

ATC 277Aircraft · Cardinal C-2-110
ATC 264Aircraft · Cardinal C-2-90

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