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 |
|---|---|---|---|---|---|
| Next Mro, LLC. | FIDR645K | Miami Gardens | Florida | United States | 10/5/2026 |
| Nextant Aerospace LLC | NTXR932D | Cleveland | Ohio | United States | 10/5/2026 |
| Nexteam Launaguet Machining | 6GXY218C | Launaguet | France | 10/5/2026 | |
| Nextgen Aviation | 2XGR802D | Covington | Louisiana | United States | 10/5/2026 |
| Nextgen Aviation Khsa LLC doing business as DBA Nextgen Aviation | 2XG2802D | Kiln | Mississippi | United States | 10/5/2026 |
| Nextgen Aviation Services, LLC | 2PBR941B | Ponca City | Oklahoma | United States | 10/5/2026 |
| Nextgen Avionics | N6AR810E | Bakersfield | California | United States | 10/5/2026 |
| Nexus Climate Control | NCCR081E | Holland | Michigan | United States | 10/5/2026 |
| Nff Avionics Services INC doing business as DBA Nff Aviation Services | N01R648Y | Aliquippa | Pennsylvania | United States | 10/5/2026 |
| Ni-Cad Systems INC | WB3R939L | Hayward | California | United States | 10/5/2026 |
| Niacc-Avitech Technologies INC | DC3R444L | Clovis | California | United States | 10/5/2026 |
| Nicholson Mclaren Aviation LTD | 2NNY773D | Finchampstead | ENG | United Kingdom | 10/5/2026 |
| Night Flight Concepts INC | N5ZR113B | Augusta | New Jersey | United States | 10/5/2026 |
| Nighthawk Flight Systems INC doing business as DBA N/A | K9VR912X | Vista | California | United States | 10/5/2026 |
| Niicd Avionics | FD6R531N | Boise | Idaho | United States | 10/5/2026 |
| Nite Train Aviation | 2N1R583D | Smyrna | Tennessee | United States | 10/5/2026 |
| Njs145 LLC | DXTR401D | Columbus | Ohio | United States | 10/5/2026 |
| Nobel Aerospace, LLC | 8NAR611C | Doral | Florida | United States | 10/5/2026 |
| Noble Techops INC | NNNR010E | Opa Locka | Florida | United States | 10/5/2026 |
| Nor-Ral INC | 3NRR976C | Canton | Georgia | United States | 10/5/2026 |
| Norcal Avionics LLC | 852R050D | Watsonville | California | United States | 10/5/2026 |
| Nord-Micro GMBH & CO. Kg | NM7Y454J | Frankfurt | Germany | 10/5/2026 | |
| Nordam Europe LTD | N1EY636N | Gwent | WLS | United Kingdom | 10/5/2026 |
| Nordic Aircraft Systems, Uab doing business as DBA Nordic Aircraft Systems | NASY448E | Vilnius | Lithuania | 10/5/2026 | |
| Noreast Aviation Services | NCLR674G | New Bedford | Massachusetts | United States | 10/5/2026 |
| Norronafly Propeller & Ndt As | NFPY762E | Oslo | Norway | 10/5/2026 | |
| North American Aircraft Service & Accessories LLC | UB2R207L | San Antonio | Texas | United States | 10/5/2026 |
| North American Balloon Company LLC | 5NOR846C | Bloomington | Indiana | United States | 10/5/2026 |
| North Bay Aviation doing business as DBA None | UYVR051J | Fairfield | California | United States | 10/5/2026 |
| North Coast Air Care INC | NCAR262E | Akron | Ohio | United States | 10/5/2026 |
| North Coast Air L L P | N03R479Y | Erie | Pennsylvania | United States | 10/5/2026 |
| North Coast Landing Systems INC | L5NR127O | North Royalton | Ohio | United States | 10/5/2026 |
| North Pole Propeller | N7PR577Y | North Pole | Alaska | United States | 10/5/2026 |
| North Star Aerospace INC | N9TR276Y | Auburn | Washington | United States | 10/5/2026 |
| North Star Aviation doing business as DBA North Star Aviation, INC | NUTR521L | Mankato | Minnesota | United States | 10/5/2026 |
| North State Aviation Holding, LLC doing business as DBA North State | 39NR184D | Winston-Salem | North Carolina | United States | 10/5/2026 |
| North Texas Turbines INC | NT7R219N | Alvarado | Texas | United States | 10/5/2026 |
| Northeast Aero Compressor CORP. | QNCR580K | Hauppauge | New York | United States | 10/5/2026 |
| Northeast Air INC | FTUR030E | Portland | Maine | United States | 10/5/2026 |
| Northeast Overhaul & Repair | BIBR740K | Berlin | Connecticut | United States | 10/5/2026 |
| Northern Air Maintenance Services, LLC. doing business as DBA Northern Air Maintenance Maintenance Services | NACR002A | Anchorage | Alaska | United States | 10/5/2026 |
| Northern Lights Avionics INC | CU4R115M | Anchorage | Alaska | United States | 10/5/2026 |
| Northern Ndt LLC | NNDR267E | Rogers | Minnesota | United States | 10/5/2026 |
| Northrop Grumman doing business as DBA Northrop Grumman Aerospace Aerospace Systems | G2LR219J | Melbourne | Florida | United States | 10/5/2026 |
| Northrop Grumman Corporation | 3NGR347B | Rolling Meadows | Illinois | United States | 10/5/2026 |
| Northrop Grumman Corporation | UGMR556L | Lake Charles | Louisiana | United States | 10/5/2026 |
| Northrop Grumman Litef GMBH | L9TY928N | Freiburg | Germany | 10/5/2026 | |
| Northrop Grumman Systems CORP. | NOZR888K | Los Angeles | California | United States | 10/5/2026 |
| Northrop Grumman Systems Corporation | BP4R084M | Woodland Hills | California | United States | 10/5/2026 |
| Northrop Grumman Systems Corporation | NOZD888K | Dulles | Virginia | United States | 10/5/2026 |
| Northrop Grumman Systems Corporation | QM7R161O | Middle River | Maryland | United States | 10/5/2026 |
| Northrop Grumman Technical Services, INC | NO6R089J | Warner Robins | Georgia | United States | 10/5/2026 |
| Northstar Aviation USA, LLC | 4NOR965C | Melbourne | Florida | United States | 10/5/2026 |
| Northstar Technologies LLC | NORR083E | Bridgeport | West Virginia | United States | 10/5/2026 |
| Northwest Aerospace Technologies INC | NX0R661Y | Everett | Washington | United States | 10/5/2026 |
| Northwest Dynamics INC | 4N0R587D | Vancouver | Washington | United States | 10/5/2026 |
| Northwest Heli Structures, Incorporated | N36R982Y | Bellingham | Washington | United States | 10/5/2026 |
| Northwest Helicopters INC | NTWR993G | Olympia | Washington | United States | 10/5/2026 |
| Northwest Ip Partners doing business as DBA Valley Aero Services | 8ICR371D | Maple Valley | Washington | United States | 10/5/2026 |
| Northwest Metrology | 4NMR499D | Bakersfield | California | United States | 10/5/2026 |
| Northwest Propeller Service INC | IT6R625N | Puyallup | Washington | United States | 10/5/2026 |
| Norvic Aero Engines LTD | 33NY343C | St Neots | ENG | United Kingdom | 10/5/2026 |
| Nova Avionics | N2SR863J | Midlothian | Texas | United States | 10/5/2026 |
| Nova Chrome INC | FI5R858M | Franklin Park | Illinois | United States | 10/5/2026 |
| Novega Produktionssysteme GMBH | NPGY040E | Sulzberg-See | Germany | 10/5/2026 | |
| Novintec | N6QY222B | Sully Sur Loire | France | 10/5/2026 | |
| Novo Aero Services LLC. | 9NOR506C | Royal Palm Beach | Florida | United States | 10/5/2026 |
| Noyes Enterprises | 55NR394D | Brownville | Maine | United States | 10/5/2026 |
| Nse | E8TY180O | Nizerolles | France | 10/5/2026 | |
| Nte Aviation LLC doing business as DBA Nte Engine Services | NTER911D | Lewisville | Texas | United States | 10/5/2026 |
| Ntn Europe | S7NY981J | Argonay | France | 10/5/2026 | |
| Nu Tek Aircraft Instruments | TO2R194L | Augusta | Kansas | United States | 10/5/2026 |
| Nuance Consulting Group LLC doing business as DBA Nuance Consulting | 5NUR152C | Celina | Texas | United States | 10/5/2026 |
| Nulton Aviation Services INC | NUAR463E | Johnstown | Pennsylvania | United States | 10/5/2026 |
| O'Leary Aviation INC | OLYR035H | Sibley | Iowa | United States | 10/5/2026 |
| O2 Corporation | OTWR615K | Wichita | Kansas | United States | 10/5/2026 |
| Oakenhurst Aircraft Services LTD | O5KY452Y | Rayleigh | ENG | United Kingdom | 10/5/2026 |
| Oasis Aviation Maintenance, INC | 2OHR111C | Newnan | Georgia | United States | 10/5/2026 |
| Obrien Enterprises | QK3R792L | Signal Hill | California | United States | 10/5/2026 |
| Ocean Aerospace LLC | RSTR399E | Melbourne | Florida | United States | 10/5/2026 |
| Ocr Aviation | VTMR569K | Long Beach | California | United States | 10/5/2026 |
| Oeco, LLC doing business as DBA Pacific Scientific, Oeco | EK7R622N | Milwaukie | Oregon | United States | 10/5/2026 |
| Office of Aircraft Services doing business as DBA Aviation Management Directorate Directorate (Amd) | CL4R106M | Anchorage | Alaska | United States | 10/5/2026 |
| Officine Meccaniche Aeronautiche S.P.A. doing business as DBA Oma S.P.A. | 4M0Y199D | Foligno | Italy | 10/5/2026 | |
| Offshore Helicopter Support Services INC doing business as DBA Dart Aerospace | O3HR011Y | Broussard | Louisiana | United States | 10/5/2026 |
| Ogma-Industria Aeronautica de Portugal S.A. doing business as DBA Ogma | OOGY385L | Alverca Do Ribatejo | Portugal | 10/5/2026 | |
| Ohio Avionics | OAVR503R | Hamilton | Ohio | United States | 10/5/2026 |
| Ohio University Aircraft Services | O0UR395A | Albany | Ohio | United States | 10/5/2026 |
| Ohio University Avionics Engineering Center | OHOR062K | Albany | Ohio | United States | 10/5/2026 |
| Ohlinger Industries INC | OHRR712K | Phoenix | Arizona | United States | 10/5/2026 |
| Ok Aviation Service S.R.O. doing business as DBA Ok Aviation Service | 10KY405D | Pribram | Czech Republic | 10/5/2026 | |
| Okayama Air Service CO LTD | OKAY558E | Nara City | Japan | 10/5/2026 | |
| Oklahoma City Air Logistics Complex | X2OR074B | Oklahoma City | Oklahoma | United States | 10/5/2026 |
| Old City Helicopter Sales, LLC | O8DR071L | Saint Augustine | Florida | United States | 10/5/2026 |
| Old South Ballooning INC | OS7R970J | Prairieville | Louisiana | United States | 10/5/2026 |
| Olmsted Instrument CO | OWIR389K | Middletown | Pennsylvania | United States | 10/5/2026 |
| Olympia Propeller Governor, LLC | 1OPR610B | Olympia | Washington | United States | 10/5/2026 |
| Omair Avionics INC | O7XR406Y | Jasper | Georgia | United States | 10/5/2026 |
| Omega Aircraft Services LLC | 5OMR557B | Weatherford | Oklahoma | United States | 10/5/2026 |
| Omni Aircraft Maintenance LLC | OAMR915D | Tulsa | Oklahoma | 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.