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

Steward-Davis Incorporated

Holds 2 type certificates (4 models). FAA spelling: Steward-Davis Incorporated.

Type certificates 2

AR-12Aircraft · RF-15, RF-61C
AR-15Aircraft · C-82A Jet Packet, C-82A

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.