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 |
|---|---|---|---|---|---|
| 3 D Tech INC | 63DR713B | Berlin | Connecticut | United States | 10/5/2026 |
| Aalberts Surface Technologies Ab INC | 4BZR889B | Manchester | Connecticut | United States | 10/5/2026 |
| Acmt INC Advanced Composites & Metalforming Tech | H03R013Y | Manchester | Connecticut | United States | 10/5/2026 |
| Aer Blarney Balloons LLC | 2B1R453D | Bethlehem | Connecticut | United States | 10/5/2026 |
| Aerospace Testing Lab Incorporated | ASKR260K | South Windsor | Connecticut | United States | 10/5/2026 |
| Aircraft Welding & Manufacturing Company, LLC. | WWLR046K | Hartford | Connecticut | United States | 10/5/2026 |
| Airline Accessory Service Company, LLC | L0KR782Y | Hamden | Connecticut | United States | 10/5/2026 |
| Aqua Blasting Corporation | QUGR412L | Bloomfield | Connecticut | United States | 10/5/2026 |
| Barnes Aerospace, Windsor Airmotive Division | KC1R265K | East Granby | Connecticut | United States | 10/5/2026 |
| Beaver Brook Balloon Services | UBVR819K | Cheshire | Connecticut | United States | 10/5/2026 |
| Blasting Techniques INC | FHQR653K | South Windsor | Connecticut | United States | 10/5/2026 |
| Bracone Metal Spinning INC | BPXR462X | Southington | Connecticut | United States | 10/5/2026 |
| Budney Overhaul & Repair, LTD. | VZ5R293N | Berlin | Connecticut | United States | 10/5/2026 |
| Chromalloy Gas Turbine LLC doing business as DBA Chromalloy Connecticut | TK5R226N | Windsor | Connecticut | United States | 10/5/2026 |
| Clay Lacy Aviation | 81CR397D | Oxford | Connecticut | United States | 10/5/2026 |
| Colonial Coatings INC | OLUR576L | Milford | Connecticut | United States | 10/5/2026 |
| Columbia Air Services INC | SO5R204N | Groton | Connecticut | United States | 10/5/2026 |
| Columbia Manufacturing INC | U6LR858X | Columbia | Connecticut | United States | 10/5/2026 |
| Connecticut Aero Tech School | GJ1R168K | Hartford | Connecticut | United States | 10/5/2026 |
| Craigmile Aviation LLC | ZG4R818X | Monroe | Connecticut | United States | 10/5/2026 |
| Eaton Aerospace Controls Division | E1TR150N | Bethel | Connecticut | United States | 10/5/2026 |
| Ethosenergy Accessories and Components, LLC | TU5R236N | East Windsor | Connecticut | United States | 10/5/2026 |
| Ethosenergy Accessories and Components, LLC | WG8R783N | East Windsor | Connecticut | United States | 10/5/2026 |
| Flight Support Incorporated | TA5R216N | North Haven | Connecticut | United States | 10/5/2026 |
| Global Turbine Component Technologies LLC | G1UR437Y | South Windsor | Connecticut | United States | 10/5/2026 |
| Habco Mro LLC | 5HBR906C | Glastonbury | Connecticut | United States | 10/5/2026 |
| Hamilton Sundstrand World Wide Repair | SI3R842L | Windsor Locks | Connecticut | United States | 10/5/2026 |
| Har-Conn Chrome Company | TB5R217N | West Hartford | Connecticut | United States | 10/5/2026 |
| Harcosemco LLC | YIUR064J | Branford | Connecticut | United States | 10/5/2026 |
| Hartford Aero Maintenance Repair Station | YD8R231Y | Bloomfield | Connecticut | United States | 10/5/2026 |
| Hoffman Engineerng LLC | HOVR271K | Stamford | Connecticut | United States | 10/5/2026 |
| Horizon Aircraft Services, LLC | 2HJR950C | North Windham | Connecticut | United States | 10/5/2026 |
| Hydro Honing Laboratories INC doing business as DBA Peening Technologies of of Connecticut | KJ1R272K | East Hartford | Connecticut | United States | 10/5/2026 |
| Innodyne Systems, LLC | I6JR126Y | Bloomfield | Connecticut | United States | 10/5/2026 |
| Kaman Aerospace Corporation | VKZR018J | Bloomfield | Connecticut | United States | 10/5/2026 |
| Kamatics Corporation | K4RR574N | Bloomfield | Connecticut | United States | 10/5/2026 |
| Lanmar Aviation INC DBA Jt Aviation Mx INC doing business as DBA Jt Aviation Mx, INC. | L4AR428X | Groton | Connecticut | United States | 10/5/2026 |
| Learjet INC | SH5R197N | Windsor Locks | Connecticut | United States | 10/5/2026 |
| Linde Advanced Material Technologies INC | LINR451E | North Haven | Connecticut | United States | 10/5/2026 |
| Meriden Electronics Corporation | MX1R338K | Meriden | Connecticut | United States | 10/5/2026 |
| Met-L-Test Laboratory | LU1R309K | Stratford | Connecticut | United States | 10/5/2026 |
| Metal Finishing Technologies LLC | MFTR879D | Bristol | Connecticut | United States | 10/5/2026 |
| Metal Improvement Company, LLC doing business as DBA Curtiss Wright Surface Surface Technologies | G2PR726J | East Windsor | Connecticut | United States | 10/5/2026 |
| Metal Improvement Company, LLC, Subsidiary of Curt doing business as DBA Metal Improvement Company, Company, LLC | MY1R339K | Windsor | Connecticut | United States | 10/5/2026 |
| Metallurgical Processing INC doing business as DBA Mpi | LU8R787X | New Britain | Connecticut | United States | 10/5/2026 |
| Mistras Services Division | RF2R133L | East Granby | Connecticut | United States | 10/5/2026 |
| New England Plasma Development Corporation | NWPR351K | Putnam | Connecticut | United States | 10/5/2026 |
| New England Propeller Service INC | RC2R130L | East Haddam | Connecticut | United States | 10/5/2026 |
| Nexgen Aviation Services LLC | 4NGR176D | Oxford | Connecticut | United States | 10/5/2026 |
| Northeast Overhaul & Repair | BIBR740K | Berlin | Connecticut | United States | 10/5/2026 |
| Overhaul Support Services, LLC | O3VR978Y | East Granby | Connecticut | United States | 10/5/2026 |
| Oxley INC | 8OXR036D | Branford | Connecticut | United States | 10/5/2026 |
| Pratt & Whitney East Hartford Repair Operations | WA2R259L | East Hartford | Connecticut | United States | 10/5/2026 |
| Precision Finishing Services, LLC | PF0R784N | Windsor | Connecticut | United States | 10/5/2026 |
| Prime Engine Accessories LLC | 68BR242B | Bristol | Connecticut | United States | 10/5/2026 |
| Projects INC | SR5R207N | Glastonbury | Connecticut | United States | 10/5/2026 |
| Pti Industries INC doing business as DBA Element Materials Technology, Technology, Enfield | OPIR361L | Enfield | Connecticut | United States | 10/5/2026 |
| Ptr-Precision Technologies INC | PX8R599Y | Enfield | Connecticut | United States | 10/5/2026 |
| Rotair Aerospace Corporation | OHBR591K | Bridgeport | Connecticut | United States | 10/5/2026 |
| Saf Industries, L L C doing business as DBA Garkenyon Technologies | GK0R519Y | Meriden | Connecticut | United States | 10/5/2026 |
| Schaeffler Aerospace USA Corporation | BCYR313X | Danbury | Connecticut | United States | 10/5/2026 |
| Sifco Applied Surface Concepts, LLC | SOX3680K | East Windsor | Connecticut | United States | 10/5/2026 |
| Sikorsky Aircraft Corporation Overhaul and Repair | AA1R001K | Shelton | Connecticut | United States | 10/5/2026 |
| Sikorsky Aircraft Corporation-Commercial Flight Op | K4YR391Y | Stratford | Connecticut | United States | 10/5/2026 |
| Sikorsky Commercial INC | TT5R235N | Trumbull | Connecticut | United States | 10/5/2026 |
| Stellar Avionics Services, LLC | YZSR344Y | Chester | Connecticut | United States | 10/5/2026 |
| Straton Industries | XTRR859K | Stratford | Connecticut | United States | 10/5/2026 |
| Superior Plating Company | VH5R275N | Southport | Connecticut | United States | 10/5/2026 |
| Surface Finishing Technologies Incorporated doing business as DBA Metallizing Service Company | KK1R273K | West Hartford | Connecticut | United States | 10/5/2026 |
| The Parker Industrial X-Ray Laboratory Corporation | TE5R220N | East Hartford | Connecticut | United States | 10/5/2026 |
| Three Wing Aviation Group, LLC | SL5R201N | Stratford | Connecticut | United States | 10/5/2026 |
| Tradewind Aviation LLC | 47WR806E | Oxford | Connecticut | United States | 10/5/2026 |
| Triumph Engine Control Systems, LLC | SF3R839L | West Hartford | Connecticut | United States | 10/5/2026 |
| Turbine Controls, LLC. | SM5R202N | Bloomfield | Connecticut | United States | 10/5/2026 |
| Turbine Technologies INC | 6TUR715B | Farmington | Connecticut | United States | 10/5/2026 |
| Twin Manufacturing Company doing business as DBA D/B/A Twinmro | VP5R283N | South Windsor | Connecticut | United States | 10/5/2026 |
| Tygor Laboratories, Incorporated | TQLR038K | Milford | Connecticut | United States | 10/5/2026 |
| United Grinding INC | UG7R079Y | South Windsor | Connecticut | United States | 10/5/2026 |
| Vip Aero Instruments and Avionics | TH5R223N | Hartford | Connecticut | United States | 10/5/2026 |
| Whelen Engineering Company, INC | WEYR441X | Chester | Connecticut | 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.