George Bush Intercontinental Airport IAH / KIAH

Third-party ramp and passenger ground handling at IAH; serving airlines at the station since 1995. Presence confirmed current via Swissport station page and active IAH hiring (ramp agents, station manager) in 2026.

Ground services at IAH per Menzies' current station page.

Ramp, baggage, customer service and wheelchair/passenger-assistance agents at IAH (confirmed via active June 2026 hiring, incl. Frontier ramp handling); claimed United work is consistent with Unifi's national United vendor role but not directly published for IAH.

Freighter ramp handling and ground services at IAH per WFS' current Houston location page.

Manages the IAH fuel farm and hydrant fueling system under long-term contract with the IAH Fuel Company airline consortium (appointed April 2024, ~40 staff, following a $65M fueling infrastructure upgrade).

Into-plane fueling operator at IAH since 1969; manages into-plane operations for the airline fuel consortium (fuel farm/hydrant system management passed to Menzies in 2024). Station at 2050 Fuel Storage Road, Houston TX 77073.

United Technical Operations Center (UTOC) at its IAH hub incl. wide-body line maintenance hangar; new $16M, 91,000 sq ft Tech Ops Training Center opened March 2025. In-house United operation, not a third-party MRO.

Engine shop — in-house, United Airlines Engine Build-Up (EBU) shop performing QEC build-up/staging on a high volume of narrowbody and widebody engines supporting United's IAH hub fleet. FAA/EASA repair-station class rating unconfirmed.

Avionics/instrument shop — in-house, United Airlines avionics shop located in Terminal C at IAH. Class rating unconfirmed.

Engine shop — dedicated engine shop with test cell at the IAH facility; TFE731 heavy maintenance (MPI & CZI); HTF7000, CFE738, PW305/307/308, AE3007, CF34, ATF3 and APU line maintenance; Honeywell Authorized Service Center (Heavy) for TFE731/HTF7000. Holds FAA Engine and Accessory ratings (station XB1R).

Avionics shop — flight-deck upgrades, mandate compliance (ADS-B etc.) and connectivity installs (GoGo, SmartSky, Universal, Rockwell Collins, Honeywell). Holds FAA Instrument and Radio ratings.

Airframe/structures and sheet-metal shop — major/minor airframe inspections, structural repairs, service-bulletin and A.D. compliance, light paint. Holds FAA Airframe Class 3-4 and NDI/NDT ratings (station XB1R).

Avionics/instrument shop — satellite bench and troubleshooting shop located at IAH (17555 John F. Kennedy Blvd), backed by Duncan Aviation's main MRO facilities in Battle Creek MI, Lincoln NE and Provo UT; pitot-static, transponder, RVSM/91.411-413 and ELT inspections, plus flight-data-recorder/cockpit-voice-recorder downloads and analysis. FAA-certificated repair station; exact class rating unconfirmed.

Interiors/cabin/seat shop — repair, overhaul and fabrication of cockpit, crew and all classes of passenger/VIP seats, monuments, interior panels, floorboards and tray tables, plus leather/e-leather re-dye; located at IAH (4750 World Houston Parkway). FAA Part 145 repair station CRS# I7ER029Y (Limited Airframe/Accessory), AS9110C certified.

Wheels and brakes shop — aircraft wheel overhaul and brake overhaul (Goodyear/Michelin tyres, Meggitt brake parts). Holds FAA Accessory Class I-III rating (station GP2R), near Hobby Airport, Houston metro.

Landing gear shop — King Air and other aircraft landing-gear overhaul. Holds FAA Accessory Class I-III rating (station GP2R).

Electrical accessory shop — starter and generator overhaul plus blower-motor repair. Holds FAA Accessory Class I-III rating (station GP2R).

Battery shop — aircraft battery testing/servicing; stocks Concorde battery products. Holds FAA Accessory Class I-III rating (station GP2R).

NDT — non-destructive testing offered alongside accessory overhaul work; EASA certified. Holds FAA NDI/NDT rating per repair-station listing (station GP2R).

Landing gear shop — full in-house overhaul of Hawker 125-series and Phenom 100/300 landing gear, vertically integrated with PMA parts manufacture (approx. 400 approved parts) and component repair. FAA #8AQR081C, EASA #145.6484, AS9100D/AS9110C, ISO 9001:2015. Houston metro (6100 West by Northwest Blvd).

Accessory and NDT shop — FAA repair-station listing (8AQR) also shows Airframe, Engine, Accessory, Radio and NDI/NDT ratings beyond the core landing-gear line; specific scope of this secondary work is unconfirmed.

Battery shop — Houston's first FAA-certified aircraft battery repair station (operating since 1988); services all aviation battery types, emergency power supplies/emergency batteries, overhauled exchange units and GSE/GPU batteries, with loaner batteries and 24/7 AOG support; markets service to both Hobby and Bush Intercontinental (IAH). FAA Cert #U9BR618Y, Accessory Class 2 rating. Near Hobby Airport, Houston metro.

Emergency-equipment shop — repair/recertification of escape slides, life rafts, life vests/jackets, fire extinguishers, helicopter floats, ELTs and squibs/cartridges; regional center at 1230 Wilson Road Court, Humble TX, immediately adjacent to IAH. FAA-authorized repair station (part of SK AeroSafety Group); founded 1984.

Oxygen shop — servicing of crew/passenger oxygen bottles and oxygen masks alongside its emergency-equipment line at the Humble, TX center next to IAH. FAA-authorized repair station; exact class rating unconfirmed.

Engine shop — Powerplant (engine) maintenance and overhaul rating, based approx. 0.6 mi from Hobby Airport, Houston metro. FAA Cert #98TR084D. · Mon-Fri 7:30AM-4:30PM; weekends AOG only

Propeller shop — propeller service and repair rating. FAA Cert #98TR084D. · Mon-Fri 7:30AM-4:30PM; weekends AOG only

Accessory shop — aircraft accessory/component repair rating; runs mobile service units dispatched across Texas and an RVSM inspection program. FAA Cert #98TR084D. · Mon-Fri 7:30AM-4:30PM; weekends AOG only

Propeller shop — Hartzell Recommended Service Facility (1 of 12 in the US), McCauley Authorized Service Facility, MT-Propeller Certified Service Center and Sensenich metal-propeller repair facility; based in Pearland, Houston metro. FAA Cert #7RDR559C, Propeller Class 1-2 rating.

NDT — Limited Non-Destructive Testing rating held alongside the propeller/accessory work. FAA Cert #7RDR559C.

Propeller shop — overhaul, PMA parts manufacture and repair of Hamilton Standard propellers, including prototyping, machining, fabrication and mil-spec coatings; Houston (2161 Cromwell Street). FAA-approved repair station and PMA manufacturer.

Structures/surface-treatment shop — SIFCO Process selective (brush) electroplating used to repair and refurbish localized wear and corrosion on engines, actuators, landing gear and structural airframe components; 20,000 sq ft facility at 7620 Bluff Point Dr, Houston — SIFCO's largest US service shop. Specialized Services rating on FAA repair-station listing.

Avionics/instrument shop — avionics installs/repairs plus yaw-damper and autopilot work; west Houston (18000 Groeschke Rd, Hangar 1-E), Houston metro. FAA CRS# Y4XR461Y: Class 1-3 Radio, Limited Instrument, Limited Airframe rating. · Mon-Thu 8:00AM-4:00PM, Fri 8:00AM-12:00PM

Avionics/instrument shop — avionics and radio equipment service plus instrument repair and calibration, operating since 1980; based at Ellington Airport, Houston metro. FAA Cert #XS1R623K: Airframe/Radio/Instrument rating.

Avionics/instrument shop — pitot-static, transponder and RVSM inspections; ratings cover avionics/wiring, VOR/ILS/MB/GPS and inertial navigation, VHF/HF comms, DME, transponder, ADS-B and weather radar; serves the Houston-Southeast Texas area including IAH from its base in Spring, TX, Houston metro. FAA Cert #9GMR520B.

Interiors/cabin shop — partial to complete interior refurbishment for private/corporate aircraft, located inside Hobby Airport, Houston metro. FAA-certified repair station; class rating unconfirmed.

Avionics/radio shop — Class 1-3 Radio rating plus Class 3 Airframe and Limited Engine/Accessory/Instrument ratings at its Houston site (8402 Nelms Street, near Hobby Airport), Houston metro; factory-backed Textron/Cessna/Beechcraft service point. FAA Cert #CNQ9918C.

Accessory shop — Class 2 Accessory rating plus Class 3 Airframe and Limited Airframe/Engine/Accessory/Instrument/Radio ratings; near Hobby Airport (8703 Telephone Road), Houston metro. FAA Cert #LJCR092G.

Flight kitchen serving IAH: ~235 employees producing ~1.8 million meals per year; active hiring at the IAH kitchen through 2025-26.

GSE maintenance operation for United's 1,800+ ground vehicles at IAH (130+ technicians); replacement $177M, 140,000 sq ft GSE maintenance facility broke ground March 2025, expected open 2027. Serves United's own operation only.

Operates a modern air cargo warehouse at IAH.

Air cargo handling at IAH per Menzies' current station page.

Major cargo terminal handler at IAH with six facility addresses across Houston/Humble, plus WFS/Pinnacle trucking.

Cargo handling including the only dedicated perishable cargo facility at IAH (two refrigerated chambers next to the tarmac); corroborated by both dnata's US network page and Houston Airports' own cargo tenant page.

FBO at IAH (17250 Chanute Rd): private/general aviation ground handling and jet fueling.

FBO at IAH (17725 John F. Kennedy Blvd): 24h charter/international ground handling, on-ramp customs clearance, heated hangar (up to Global 6000 per Atlantic's current page). · 24/7