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

Weco INC

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Md Helicopters Inc 500. FAA spelling: WECO Inc.

Approved modifications 2 · newest first

Md Helicopters Inc 500 1Md Helicopters Inc 369 1Hughes 369 500 series helicopters 1Gulfstream G-IV Gulfstream IV 1
2007-02-16SA4541NM · ONE-ONLY: Installation of cabin humidifier, serial number 1040. · G-IV
1992-07-09SA5813NM · Installation of generator cooling kit. · 500N, 369HE, 369HS

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.