Repair stations
5,066 maintenance shops hold an FAA repair station certificate (Part 145), which lets them inspect, repair and overhaul aircraft, engines and parts: 4,003 in the United States and 1,063 abroad, certificated so that U.S.-registered aircraft can be worked on there. Click a name for the certificate and the shop's other locations.
| Repair station | Certificate | Town | State | Country | Listed |
|---|---|---|---|---|---|
| Advance Welding | X9WR118N | Springfield | Massachusetts | United States | 10/5/2026 |
| Aero Turbine Components INC | UMUR731X | Worcester | Massachusetts | United States | 10/5/2026 |
| Air Bear Aviation INC | 6ABR506B | Danvers | Massachusetts | United States | 10/5/2026 |
| Ametek Aerospace Wilmington Service Center | A8PR221J | Wilmington | Massachusetts | United States | 10/5/2026 |
| Atech Turbine Components, INC | VTVR906K | Auburn | Massachusetts | United States | 10/5/2026 |
| Atlantic Aero Support INC | POQR757K | Hyannis | Massachusetts | United States | 10/5/2026 |
| Aviation Welding Technologies, LLC | W0IR070X | Uxbridge | Massachusetts | United States | 10/5/2026 |
| Berkshire Aviation Enterprises LLC. | BPGR558C | Great Barrington | Massachusetts | United States | 10/5/2026 |
| Bose Corporation | N7RR478N | Framingham | Massachusetts | United States | 10/5/2026 |
| County Heat Treat LLC | 6UCR808B | Millbury | Massachusetts | United States | 10/5/2026 |
| Devos Borescope Blending LLC | DBBR269X | Chicopee | Massachusetts | United States | 10/5/2026 |
| East Coast Aero Club | Q1OR685Y | Bedford | Massachusetts | United States | 10/5/2026 |
| Echelon Industries Corporation | P9MR333N | Westfield | Massachusetts | United States | 10/5/2026 |
| Flightlevel Norwood, LLC | FRKR394D | Norwood | Massachusetts | United States | 10/5/2026 |
| Fountain Plating Company, LLC | KB1R264K | West Springfield | Massachusetts | United States | 10/5/2026 |
| Griffin Avionics, INC doing business as DBA Griffin Aviation Services | GN1R172K | Hyannis | Massachusetts | United States | 10/5/2026 |
| Gulfstream Aerospace Services Corporation | LEGR039G | Westfield | Massachusetts | United States | 10/5/2026 |
| Hansen Aerospace, LLC | HUTR957D | Danvers | Massachusetts | United States | 10/5/2026 |
| Hayden Corporation | 4HDR042C | West Springfield | Massachusetts | United States | 10/5/2026 |
| Heritage Turbines, INC | H1IR069Y | Hyannis | Massachusetts | United States | 10/5/2026 |
| Hyannis Air Service INC | HYIR145B | Hyannis | Massachusetts | United States | 10/5/2026 |
| International Beam Welding Corporation | IEBR620K | West Springfield | Massachusetts | United States | 10/5/2026 |
| Lyon Aviation INC | 2FVR290D | Pittsfield | Massachusetts | United States | 10/5/2026 |
| Mistras Services Division | RF2D133L | Auburn | Massachusetts | United States | 10/5/2026 |
| Mit Lincoln Laboratory Flight Facility | QY5R162N | Bedford | Massachusetts | United States | 10/5/2026 |
| Nexair Avionics LLC | N4OR087B | Plymouth | Massachusetts | United States | 10/5/2026 |
| Noreast Aviation Services | NCLR674G | New Bedford | Massachusetts | United States | 10/5/2026 |
| Parker Hannifin Corporation, Ayer Repair Station | AR1R018K | Devens | Massachusetts | United States | 10/5/2026 |
| Poly - Plating INC doing business as DBA N/A | TN5R229N | Chicopee | Massachusetts | United States | 10/5/2026 |
| Pratt & Whitney Engine Services, INC | AVXR209X | Norwood | Massachusetts | United States | 10/5/2026 |
| Professional Jet Center Aircraft Maintenance, LLC | ZKFR180L | Plymouth | Massachusetts | United States | 10/5/2026 |
| Senior Operations LLC | M6XR959N | Sharon | Massachusetts | United States | 10/5/2026 |
| Turboprop East INC | T4OR209N | North Adams | Massachusetts | United States | 10/5/2026 |
| Twin City Avionics, LLC | 8WTR984C | Fitchburg | Massachusetts | United States | 10/5/2026 |
| Unlimited Aero Engines | U53R556B | Fitchburg | Massachusetts | United States | 10/5/2026 |
| Valley Plating INC | SP5R205N | Springfield | Massachusetts | United States | 10/5/2026 |
| Volo Aero Mro | FP7R098J | East Longmeadow | Massachusetts | United States | 10/5/2026 |
| Walbar Peabody, LLC doing business as DBA Goodrich, Turbine Component Component Services | GL1R170K | Peabody | Massachusetts | United States | 10/5/2026 |
| Wgi INC doing business as DBA Westfield Gage Company Company Overhaul & Repair | WNFR711K | Southwick | Massachusetts | United States | 10/5/2026 |
| Whalley Precision INC | W3PR141O | Southwick | Massachusetts | United States | 10/5/2026 |
Source: the FAA's repair station list (Part 145 certificate holders), October 9, 2026. The fourth character of a certificate number says where the shop is: R in the United States, Y abroad, D abroad under an agreement with the local authority. Contact people, telephone numbers and email addresses in the FAA's list are not shown, the site's policy at this time.