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 |
|---|---|---|---|---|---|
| Ace Precision Machining, LLC | QAPR054K | Menomonee Falls | Wisconsin | United States | 10/5/2026 |
| Aero Fabricators INC | A14R244N | Lyons | Wisconsin | United States | 10/5/2026 |
| Aeromotors, LLC | O1MR357Y | Browntown | Wisconsin | United States | 10/5/2026 |
| Air Cargo Carriers, LLC doing business as DBA Milwaukee Avionics and and Instruments | M7IR960J | Milwaukee | Wisconsin | United States | 10/5/2026 |
| Airtronics Plus, LLC doing business as DBA Airtronics | JW5R977M | Pulaski | Wisconsin | United States | 10/5/2026 |
| Airworthy, INC doing business as DBA Airworthy Aerospace Industries, Industries, INC. | E1IR712Y | Hudson | Wisconsin | United States | 10/5/2026 |
| Astronautics Corporation of America | XQAR449L | Oak Creek | Wisconsin | United States | 10/5/2026 |
| Aviation Component Engineering, LLC | ACER824D | Monroe | Wisconsin | United States | 10/5/2026 |
| Avp/Kenosha Aviation LLC doing business as DBA Kenosha Aero | 8VPR224D | Kenosha | Wisconsin | United States | 10/5/2026 |
| Basler Turbo Conversions, LLC | VWBR907K | Oshkosh | Wisconsin | United States | 10/5/2026 |
| Blue Airways INC | 6BSR128C | Bay City | Wisconsin | United States | 10/5/2026 |
| Burlington Air Center INC | J79R390Y | Burlington | Wisconsin | United States | 10/5/2026 |
| Derco Aerospace INC doing business as DBA Derco Repair Services | NK5R070N | Milwaukee | Wisconsin | United States | 10/5/2026 |
| Ducommun Labarge Technologies, Incorporated doing business as DBA Ducommun, Incorporated | 4DLR260C | Appleton | Wisconsin | United States | 10/5/2026 |
| Eagle Fuel Cells-Etc INC doing business as DBA Eagle Fuel Cells | NL5R071N | Eagle River | Wisconsin | United States | 10/5/2026 |
| F. R. A. Enterprises INC doing business as DBA Fox River Aviation | F35R977Y | Rochester | Wisconsin | United States | 10/5/2026 |
| Fleet Support Services INC | NE5D064N | Monroe | Wisconsin | United States | 10/5/2026 |
| Frank Kostlevy doing business as DBA Plane Sense Avionics | 13PR698Y | Caroline | Wisconsin | United States | 10/5/2026 |
| Full Stop Technics, LLC doing business as DBA Full Stop Technics | 6FUR289D | Milwaukee | Wisconsin | United States | 10/5/2026 |
| Gibson Aviation Services LLC | GB1R897D | Menomonie | Wisconsin | United States | 10/5/2026 |
| Gulfstream Aerospace Services Corporation doing business as DBA Gulfstream Aerospace Corporation DBA Gulfstream | G1FR100Y | Appleton | Wisconsin | United States | 10/5/2026 |
| Helicopter Specialties INC | UOHR009X | Janesville | Wisconsin | United States | 10/5/2026 |
| Jet Air Group INC | MZ2R023L | Green Bay | Wisconsin | United States | 10/5/2026 |
| K & K Precision Welding | XKKR436L | East Troy | Wisconsin | United States | 10/5/2026 |
| Lakeland Aviation of Minocqua INC | RN7R687Y | Arbor Vitae | Wisconsin | United States | 10/5/2026 |
| Midwest Turbine Service, LLC doing business as DBA Mts | DATR119D | Hartford | Wisconsin | United States | 10/5/2026 |
| Ndt Inspect-Air INC doing business as DBA None | N45R764X | Franksville | Wisconsin | United States | 10/5/2026 |
| Newview Technologies INC | NU7R875N | Oshkosh | Wisconsin | United States | 10/5/2026 |
| On Altitude LLC | OQLR736Y | Kenosha | Wisconsin | United States | 10/5/2026 |
| Perceptive Avionics INC | PACR047E | New Richmond | Wisconsin | United States | 10/5/2026 |
| Plexus CORP. | 1PXR451B | Neenah | Wisconsin | United States | 10/5/2026 |
| Rapco Fleet Support INC | N46R300Y | Hartland | Wisconsin | United States | 10/5/2026 |
| Rapco INC | NE5R064N | Hartland | Wisconsin | United States | 10/5/2026 |
| Rice Lake Air Center | RL8R462J | Cameron | Wisconsin | United States | 10/5/2026 |
| S3 Aerodefense, LLC | 9S3R896B | Milwaukee | Wisconsin | United States | 10/5/2026 |
| Safran Aerosystems Services Americas, LLC | I2XR205O | Menomonee Falls | Wisconsin | United States | 10/5/2026 |
| Safran Landing Systems Wheel & Brake Services, LLC | TL9R551N | Milwaukee | Wisconsin | United States | 10/5/2026 |
| Sc Aviation INC | G13R292J | Janesville | Wisconsin | United States | 10/5/2026 |
| Skycom Avionics INC | NC5D062N | Waukesha | Wisconsin | United States | 10/5/2026 |
| Stein'S Aircraft Services LLC doing business as DBA Stein'S Aircraft Services | 1S3R356M | Kenosha | Wisconsin | United States | 10/5/2026 |
| Superior Jet Specialists | SJTR529E | Janesville | Wisconsin | United States | 10/5/2026 |
| Textron Aviation INC doing business as DBA Textron Aviation Service | CNQ3918C | Milwaukee | Wisconsin | United States | 10/5/2026 |
| Top Flight Avionics, LLC doing business as DBA N/A | T53R153O | New Richmond | Wisconsin | United States | 10/5/2026 |
| Universal Engine Elements LLC doing business as DBA Universal Engine Elements | UEGR943D | Middleton | Wisconsin | United States | 10/5/2026 |
| Vanguard Aerospace, LLC | V1UR341Y | Waterford | Wisconsin | United States | 10/5/2026 |
| Vista Aircraft Maintenance Red Wing, LLC doing business as DBA Red Wing Aviation | R3WR714J | Bay City | Wisconsin | United States | 10/5/2026 |
| Wisconsin Aerostation, LTD. | KC5R983M | Sullivan | Wisconsin | United States | 10/5/2026 |
| Wisconsin Aviation - Four Lakes INC | DBKR124D | Madison | Wisconsin | 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.