Simmonds Precision
Named as the FAA publishes it on its approvals.
Approved to make 5 classes of equipment. FAA spelling: Simmonds Precision.
Equipment approvals technical standard order authorisations
TSO-C55 · Fuel And Oil Quantity Instruments (Reciprocating Engine Aircraft) · *, *, * · engine
TSO-C49A · Electric Tachometer: Magnetic Drag (For Air Carrier Aircraft) · *, * · other and general
TSO-C47 · Pressure Instruments - Fuel, Oil, And Hydraulic · * · heating, ice protection and utility systems
TSO-C44A · Fuel Flowmeters · * · other and general
TSO-C43 · Temperature Indicators · *, * · 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.