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

Graviner, INC.

Named as the FAA publishes it on its approvals.

Approved to make 2 classes of equipment. FAA spelling: Graviner, Inc..

Equipment approvals technical standard order authorisations

TSO-C11D · Powerplant Fire Detection Instruments (Thermal And Flame Contact Types) · * · other and general
TSO-C11 · Fire Detectors (Thermal Sensing And Flame Contact) · * · 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.