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 |
|---|---|---|---|---|---|
| Regent Aerospace Corporation | PA8R131J | Valencia | California | United States | 10/5/2026 |
| Regional Avionics Repair LLC | V6KR488Y | Thousand Palms | California | United States | 10/5/2026 |
| Reinhold Industries INC | 1EER640B | Oxnard | California | United States | 10/5/2026 |
| Reliance Aviation Propeller Machine Shop | R4PR085N | Redding | California | United States | 10/5/2026 |
| Repairtech International INC | WW2R281L | Van Nuys | California | United States | 10/5/2026 |
| Robinson Helicopter Company INC | YV3R012M | Torrance | California | United States | 10/5/2026 |
| Rockwell Aviation Services INC | ZWXR058J | Corona | California | United States | 10/5/2026 |
| Rogers Helicopters INC | CUCR022D | Fresno | California | United States | 10/5/2026 |
| Rogerson Aircraft Equipment Group | R2CR607J | Irvine | California | United States | 10/5/2026 |
| Rogerson Kratos | R6OR655X | Pasadena | California | United States | 10/5/2026 |
| Rohr INC | PA3R755L | Chula Vista | California | United States | 10/5/2026 |
| Romi Industries INC | RO6R583J | Valencia | California | United States | 10/5/2026 |
| Rossi Aircraft INC | ZRSR378L | Palo Alto | California | United States | 10/5/2026 |
| Rotorcraft Support INC | YT2R331L | Fillmore | California | United States | 10/5/2026 |
| Rsa Engineered Products LLC. | UZ3R911L | Simi Valley | California | United States | 10/5/2026 |
| Rts Aviation Services, LLC | 5RTR875C | Van Nuys | California | United States | 10/5/2026 |
| Rugged Information Technology Equipment Corporatio doing business as DBA Ritec | 9RIR104C | Simi Valley | California | United States | 10/5/2026 |
| Safetech USA INC | WV12599K | City of Industry | California | United States | 10/5/2026 |
| Safran Aerosystems Services Americas, LLC | QX3R805L | Van Nuys | California | United States | 10/5/2026 |
| Safran Cabin INC | C02R361X | Garden Grove | California | United States | 10/5/2026 |
| Safran Power Units San Diego LLC | SPSR998D | San Diego | California | United States | 10/5/2026 |
| Sams Electronic Technologies INC | MZSR924K | Chula Vista | California | United States | 10/5/2026 |
| San Luis Avionics INC doing business as DBA San Luis Avionics | ZS5R220O | San Luis Obispo | California | United States | 10/5/2026 |
| Santa Monica Propeller Service INC | ZY2R362L | Santa Monica | California | United States | 10/5/2026 |
| Satco INC | O3IR026X | Hawthorne | California | United States | 10/5/2026 |
| Savage Aviation LLC | SADR532E | Hayward | California | United States | 10/5/2026 |
| Seat Air Systems INC | 7UZR101D | Van Nuys | California | United States | 10/5/2026 |
| Seaview Aviation LLC | SEAR303E | Camarillo | California | United States | 10/5/2026 |
| Selken Enterprises INC doing business as DBA Sel-Tech | E5KR955N | Chico | California | United States | 10/5/2026 |
| Sensor Systems INC | S4SR422J | Chatsworth | California | United States | 10/5/2026 |
| Shafi Enterprises LLC doing business as DBA Anode Avionics | SFER859D | Oxnard | California | United States | 10/5/2026 |
| Shier Aviation CORP doing business as DBA Corporate Helicopters | IVSR655S | San Diego | California | United States | 10/5/2026 |
| Shimadzu Precision Instruments INC | ZUIR099Y | Long Beach | California | United States | 10/5/2026 |
| Shutzbaugh, John R | WR3R955L | Vacaville | California | United States | 10/5/2026 |
| Sia Engineering USA INC | 3SUR199B | Los Angeles | California | United States | 10/5/2026 |
| Sierra Aero LLC | 5IER221D | Truckee | California | United States | 10/5/2026 |
| Sierracin/Sylmar Corporation | UO3R900L | Sylmar | California | United States | 10/5/2026 |
| Signature Flight Support LLC doing business as DBA Signature Technicair | CQDR029K | Fresno | California | United States | 10/5/2026 |
| Siller Helicopters LLC | JSPR157B | Yuba City | California | United States | 10/5/2026 |
| Skurka Aerospace INC | S7GR035N | Camarillo | California | United States | 10/5/2026 |
| Sky Sailing INC doing business as DBA Yankee Composites | Y8QR517Y | Warner Springs | California | United States | 10/5/2026 |
| Sky-Line Aircraft Interiors, LLC | 5K3R419D | Ontario | California | United States | 10/5/2026 |
| So. Calif. Edison CO. A/C Operations | ZZSR188L | Chino | California | United States | 10/5/2026 |
| Socal Jet Services INC | 4SJR442B | Long Beach | California | United States | 10/5/2026 |
| Socal Jets, INC | UQRR958L | Van Nuys | California | United States | 10/5/2026 |
| Socal Mro LLC. | 9F4R775C | Chino | California | United States | 10/5/2026 |
| Southland Rotax Service Center INC doing business as DBA Southland Rotax | 6SDR019C | Murrieta | California | United States | 10/5/2026 |
| Spectrolab INC doing business as DBA None | L9SR877X | Sylmar | California | United States | 10/5/2026 |
| Sterling Avionics INC doing business as DBA None | WQ3R954L | Concord | California | United States | 10/5/2026 |
| Stockton Propeller INC | UD7R333Y | Stockton | California | United States | 10/5/2026 |
| Sun Air Jets LLC | S6NR042K | Camarillo | California | United States | 10/5/2026 |
| Sunset Helicopter Services INC doing business as DBA Sunset Helicopter Services,Inc | YU5R109Y | Huntington Beach | California | United States | 10/5/2026 |
| Sunvair INC | WI2R267L | Valencia | California | United States | 10/5/2026 |
| Tavco INC | OJVR753L | Camarillo | California | United States | 10/5/2026 |
| Tdl Aero Enterprises | 7TLR012B | Merced | California | United States | 10/5/2026 |
| Teledyne Controls, LLC | GR3R537L | El Segundo | California | United States | 10/5/2026 |
| Textron Aviation INC doing business as DBA Textron Aviation Service | CNQ4918C | Sacramento | California | United States | 10/5/2026 |
| The Avionics Specialist INC | S3DR062N | Lincoln | California | United States | 10/5/2026 |
| The Balloon Emporium | OYXR039J | Rancho Cucamonga | California | United States | 10/5/2026 |
| The Boeing Company | BAC2668L | Victorville | California | United States | 10/5/2026 |
| The Gyro House INC doing business as DBA Tgh Aviation | NG3R709L | Auburn | California | United States | 10/5/2026 |
| Thermal Structures INC | TEUR916K | Corona | California | United States | 10/5/2026 |
| Thinkom Solutions INC | 1TKR850C | Hawthorne | California | United States | 10/5/2026 |
| Thomas Global Systems LLC | N1QR117B | Irvine | California | United States | 10/5/2026 |
| Thornton Aircraft Company, LLC doing business as DBA Thornton Aircraft Company DBA Thornton Aviation | T2CR294J | Van Nuys | California | United States | 10/5/2026 |
| Tmt Research Development INC | TD0R554N | Smith River | California | United States | 10/5/2026 |
| Tmw Corporation doing business as DBA Aero Chrome Plating | OWPR735L | Van Nuys | California | United States | 10/5/2026 |
| Tmw Enterprises INC | 5C3R300D | Signal Hill | California | United States | 10/5/2026 |
| Tom'S Avionics & Aircraft Repair INC | 70MR471D | Redlands | California | United States | 10/5/2026 |
| Towards Aviation LLC doing business as DBA Megajet Group | 4TRR995D | Victorville | California | United States | 10/5/2026 |
| Transierra Technology | DD3R445L | Madera | California | United States | 10/5/2026 |
| Triumph Actuation Systems - Valencia, LLC. doing business as DBA None | EM7R096J | Valencia | California | United States | 10/5/2026 |
| True North Avionics LLC | TNVR652E | Riverside | California | United States | 10/5/2026 |
| Truespeed Aero Governors INC | T6GR183N | Van Nuys | California | United States | 10/5/2026 |
| Turbine Aviation INC doing business as DBA Turbine Aviation | EHDR649K | Oceanside | California | United States | 10/5/2026 |
| Unilode Aviation Solutions US INC doing business as DBA Unilode Aviation Solutions | LC7R189J | South San Francisco | California | United States | 10/5/2026 |
| Unilode Aviation Solutions US, INC doing business as DBA Unilode Aviation Solutions | J51R323Y | Hawthorne | California | United States | 10/5/2026 |
| United Aeronautical Corporation | PY3R780L | North Hollywood | California | United States | 10/5/2026 |
| United Airlines INC | UALR011A | San Francisco | California | United States | 10/5/2026 |
| United Flight Accessories of California | UFFR006L | Huntington Beach | California | United States | 10/5/2026 |
| United Service Applications INC | U74R497B | Santa Ana | California | United States | 10/5/2026 |
| US Global Plane Int LLC | UGPR847D | Camarillo | California | United States | 10/5/2026 |
| Vacaville Aero Services INC doing business as DBA Williams Soaring Center | V72R172Y | Williams | California | United States | 10/5/2026 |
| Valencia, Robert e. doing business as DBA Westcoast Helicopters & & Accessories | V3RR634Y | Redding | California | United States | 10/5/2026 |
| Velocity Aerospace - Burbank INC | RB1R197K | Burbank | California | United States | 10/5/2026 |
| Ventura Aerospace INC | 1VOR801B | Westlake Village | California | United States | 10/5/2026 |
| Ventura County Avionics | VCAR375E | Camarillo | California | United States | 10/5/2026 |
| Vian Enterprises INC | V5NR374Y | Auburn | California | United States | 10/5/2026 |
| Viasat INC | V93R214B | Carlsbad | California | United States | 10/5/2026 |
| Victor Aviation Services, INC doing business as DBA Victor Aviation Services, Services, INC. | BJ3R399L | Palo Alto | California | United States | 10/5/2026 |
| Vintage Carburetors INC | V4UR281Y | Tehachapi | California | United States | 10/5/2026 |
| Vintage Radials INC | VDDR067B | Tehachapi | California | United States | 10/5/2026 |
| Vista Aircraft Maintenance, van Nuys, LLC doing business as DBA Vista Aircraft Maintenance Maintenance van Nuys, LLC | X6KR220M | Van Nuys | California | United States | 10/5/2026 |
| Vista Aviation INC | XW2R308L | Pacoima | California | United States | 10/5/2026 |
| Vogt Mro, LLC. | A03R511E | Corona | California | United States | 10/5/2026 |
| Vse Aviation Services, CO. | U8SR971J | Montebello | California | United States | 10/5/2026 |
| Walts Avionics INC | WFVR290E | Carlsbad | California | United States | 10/5/2026 |
| Wavestream Corporation | WS2R389E | San Dimas | California | United States | 10/5/2026 |
| Weld Lab | WL0R183Y | Inglewood | California | United States | 10/5/2026 |
| Weld Services | WS1R919D | Bonsall | California | 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.