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

United Instruments, INC.

Named as the FAA publishes it on its approvals.

Approved to make 9 classes of equipment. FAA spelling: United Instruments, Inc..

Equipment approvals technical standard order authorisations

2005-07-14TSO-C10B · ALTIMETER, PRESSURE ACTUATED, SENSITIVE TYPE · *, *, * · instruments and avionics
1990-01-01TSO-C2B · Airspeed Instruments · *, *, * · instruments and avionics
1990-01-01TSO-C3B · Turn and Slip Instrument · *, * · instruments and avionics
TSO-C44A · Fuel Flowmeters · *, *, * · other and general
TSO-C8B · Vertical Velocity Instruments (Rate-Of-Climb) · *, *, * · other and general
TSO-C46A · Maximum Allowable Airspeed Indicator Systems · *, *, * · instruments and avionics
TSO-C47 · Pressure Instruments - Fuel, Oil, And Hydraulic · *, *, * · heating, ice protection and utility systems
TSO-C45 · Manifold Pressure Indicating Instruments · *, *, * · other and general
TSO-C88 · Automatic Pressure Altitude Digitizer Equipment · *, *, * · 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.