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 |
|---|---|---|---|---|---|
| Winslow Marine Products Corporation | WL7R957N | Lake Suzy | Florida | United States | 10/5/2026 |
| Wipaire INC | RJWR390K | South St. Paul | Minnesota | United States | 10/5/2026 |
| Wisco Aero LLC | 3WIR784B | Pittsburgh | Pennsylvania | 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 |
| Wisetouch Interiors INC | 9WIR674B | Opa Locka | Florida | United States | 10/5/2026 |
| Wittenstein Motion Control GMBH | WMCY016E | Igersheim | Germany | 10/5/2026 | |
| Woodland Aviation INC | AWKR298C | Davis | California | United States | 10/5/2026 |
| Woodward Florida INC | VRMR139E | Deerfield Beach | Florida | United States | 10/5/2026 |
| Woodward Fst INC | IU5R948M | Zeeland | Michigan | United States | 10/5/2026 |
| Woodward Hrt INC doing business as DBA None | BH4R076M | Santa Clarita | California | United States | 10/5/2026 |
| Woodward Hrt INC | XDWR042L | Ft. Collins | Colorado | United States | 10/5/2026 |
| Woodward INC | UU2R227L | Loves Park | Illinois | United States | 10/5/2026 |
| Woodward International INC doing business as DBA Woodward Aircraft Engine Engine Systems Prestwick | WOWY588K | Ayrshire | SCT | United Kingdom | 10/5/2026 |
| Woodward Mpc | M74R907N | Niles | Illinois | United States | 10/5/2026 |
| World 1 Aero Solutions LLC | W1AR938D | Homestead | Florida | United States | 10/5/2026 |
| World Aero LTD | 8WOY771C | Ditchling Common | ENG | United Kingdom | 10/5/2026 |
| World Aero Support Spa doing business as DBA W.A.S. | 1C4Y391C | Santiago | Chile | 10/5/2026 | |
| World Class Accessory INC | W86R867N | Peachtree City | Georgia | United States | 10/5/2026 |
| World Innovations Support CORP | WSIR058E | Hialeah | Florida | United States | 10/5/2026 |
| Worldwide Aircraft Interiors | 5WDR702D | Whitestown | Indiana | United States | 10/5/2026 |
| Worldwide Aircraft Rewind INC | W5DR899N | Miami | Florida | United States | 10/5/2026 |
| Worldwide Aircraft Services INC | OWFD547L | North Canton | Ohio | United States | 10/5/2026 |
| Worldwide Aircraft Services INC doing business as DBA Worldwide Aircraft Services | OWFR547L | Springfield | Missouri | United States | 10/5/2026 |
| Worldwide Composite Services LTD Adp | WWCY392E | Hyattville | Wyoming | United States | 10/5/2026 |
| Worthington Aviation doing business as DBA Worthington Repair Service DBA Worthington Aviation, LLC | Z5ER857X | Eagan | Minnesota | United States | 10/5/2026 |
| Worthington Aviation, LLC doing business as DBA Worthington Mro Center | 6WOR213C | Tulsa | Oklahoma | United States | 10/5/2026 |
| Wright Bros Aero INC | WRIR122E | Vandalia | Ohio | United States | 10/5/2026 |
| Wriston Aviation | R2FR683J | Mckinney | Texas | United States | 10/5/2026 |
| Wrj INC doing business as DBA Michigan Aviation | KL2R956K | Waterford | Michigan | United States | 10/5/2026 |
| Wuhan Hangda Aero Science and Technology Developme | X0WY477Y | Wuhan | China | 10/5/2026 | |
| Wuhu Shuangyi Aero-Tech CO LTD | 2WUY150D | Wuhan | China | 10/5/2026 | |
| Wysong Enterprises INC | W3ER617N | Blountville | Tennessee | United States | 10/5/2026 |
| Xcelle Americas LLC | XCLR079E | Hot Springs | Arkansas | United States | 10/5/2026 |
| Xeos Sp. Z O.O. | XEOY625E | Swiete | Poland | 10/5/2026 | |
| Xi'An Cea Safran Landing Systems Services CO., LTD | GECY271E | Xi'An | China | 10/5/2026 | |
| Xian Aviation Technic CO LTD | 7XWY660C | Xi'An | China | 10/5/2026 | |
| Xp Services, INC | 8TAR202C | Tullahoma | Tennessee | United States | 10/5/2026 |
| Xpace Engineering LLC | XPAR468E | Doral | Florida | United States | 10/5/2026 |
| Xri Testing | 6XIR129C | Niles | Illinois | United States | 10/5/2026 |
| Xri Testing | XT6R708Y | Troy | Michigan | United States | 10/5/2026 |
| Xri Testing INC | IQ5R944M | Zeeland | Michigan | United States | 10/5/2026 |
| Xsjet LLC | XSJR084E | Santa Clara | California | United States | 10/5/2026 |
| Xtreme Aviation Fll, LLC | KJCR351E | Miami | Florida | United States | 10/5/2026 |
| Xtreme Aviation LLC | 4XAR847C | Opa-Locka | Florida | United States | 10/5/2026 |
| Xtreme Avionics, LLC | 4N7R162D | Celina | Texas | United States | 10/5/2026 |
| Xtreme Sas | XACY421E | Bogota | Colombia | 10/5/2026 | |
| Yada Yada Yada INC doing business as DBA Apr Aviation | CP3R431L | Fresno | California | United States | 10/5/2026 |
| Yada Yada Yada INC doing business as DBA Apr Aviation | X6DR662I | Fresno | California | United States | 10/5/2026 |
| Yingling Aircraft LLC doing business as DBA Yingling Aviation | YN8R621Y | Wichita | Kansas | United States | 10/5/2026 |
| Younkin Aviation INC | YP1R646K | West Fork | Arkansas | United States | 10/5/2026 |
| Yuba-Sutter Aviation INC | YUUR476B | Olivehurst | California | United States | 10/5/2026 |
| Yulista Integrated Solutions, LLC | YUTR674Y | Meridianville | Alabama | United States | 10/5/2026 |
| Yulista Solutions, LLC. | YSOR777E | Albuquerque | New Mexico | United States | 10/5/2026 |
| Yulista Support Services, LLC | 2YTR421D | Lakehurst | New Jersey | United States | 10/5/2026 |
| Yulista Tactical Services LLC | YUTD674Y | Meridianville | Alabama | United States | 10/5/2026 |
| Zenith Aviation Limited | ZENY134E | Kent | ENG | United Kingdom | 10/5/2026 |
| Zenix Aerospace Ketema | F8XR824N | El Cajon | California | United States | 10/5/2026 |
| Zephyr Aircraft Engines INC | VI4R597M | Zephyrhills | Florida | United States | 10/5/2026 |
| Zephyr Services LLC | 5ZSR310D | Long Beach | California | United States | 10/5/2026 |
| Zim Aircraft Cabin Solutions, LLC doing business as DBA Zim Aircraft Cabin Cabin Solutions.Llc | 2TOR010C | Greensboro | North Carolina | United States | 10/5/2026 |
| Zulu Aerospace Services LLC | 1ZUR451D | Prescott | Arizona | United States | 10/5/2026 |
| Zulu Aerospace Services LLC doing business as DBA Zulu Avionics | ZM3R930D | Prescott | Arizona | United States | 10/5/2026 |
| Zulu Avionics LLC | LBCR998F | Long Beach | California | United States | 10/5/2026 |
| Zulu Global Holdings, LLC. | 43XR641D | Miami | Florida | United States | 10/5/2026 |
| Zulu Transponder Testing, LLC | ZTDR759E | Houston | Texas | 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.