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

Olympic Aero Services INC.

Holds 3 approved modifications, most of them for the Bell 205. FAA spelling: OLYMPIC AERO SERVICES INC..

Approved modifications 3 · newest first

2018-10-04SR02596SE · Installation of Olympic Aero Services, Inc. Additional Telemetry Unit (ATU) · 205A-1, 205A, 205B
2016-02-10SA01001SE · Installation of 12 volt cabin power system for portable electronic devices · 172R, 172S, 182S
2010-12-07ST02096SE · ONE ONLY, SN 49670: Installation of Olympic Aero Services Transient Suppression Devices on aircraft equipped with... · DC-9-87 (MD-87)

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.