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

Kollsman Instrument LTD.

Named as the FAA publishes it on its approvals.

Approved to make 3 classes of equipment. FAA spelling: Kollsman Instrument Ltd..

Equipment approvals technical standard order authorisations

1990-01-01TSO-C2B · Airspeed Instruments · * · instruments and avionics
TSO-C88 · Automatic Pressure Altitude Digitizer Equipment · *, * · other and general
TSO-C10B · Altimeter, Pressure Actuated, Sensitive Type · *, *, * · instruments and avionics

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.