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

Jobmaster CO INC

Named as the FAA publishes it on its approvals.

Holds 1 approved modification, most of them for the Bell 47. FAA spelling: Jobmaster Co Inc.

Approved modifications 1 · newest first

1960-01-01SH48WE · Installation of turbosupercharged Lycoming TVO-435-B1A engine. · 47 Series, 47 Series, 47 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.