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Habershon And Sons Ltd. J J.Habershon119MaterialsSteel
Hadfields (Merton) LtdHadfields27FinishesPaints
Hadley Company LtdHadley4MaterialsTransparencies
Hong Kong Aircraft Engineering Co LtdHAEC1MaintenanceContractors
Haighs (Oldham LtdHaighs8Engineering EquipmentMachinery
Haithwaite Aviation CoHaithwaite2ManufacturingSheet Metal Work
Hale Hamilton & Co LtdHaleHamilton13ComponentsValves
Hales CoxHales12ModelsFlying
Hall & Sons (Bristol & London) Ltd. John Hall63FinishesDope
Hall Bayliss & CoHallBayliss2ManufacturingSheet Metal Work
Hall & Hall LtdHallHall20ComponentsSeals
Hall & Pickles LtdHallPickles39ManufacturingSteel
Hall School Of FlyingHallSchool36TrainingFlying School
Halpins Of Hampshire LtdHalpins5AvionicsNavigation
Hamble. College Of Air TrainingHamble38TrainingFlying School
Hamilton Standard Propeller CompanyHamiltonStandard1ComponentsPropellers
Hammant Aeroplane Syndicate LtdHammant1Aircraft Manufacturers
Hampshire Aeroplane ClubHampshireClub12TrainingFlying School
Hampson Industries LtdHampson14Ground EquipmentGround Power Units
Handasyde Aircraft Co LtdHandasyde2Aircraft Manufacturers
Handley Page LtdHandleyPage591Aircraft Manufacturers
Hanriot (England) LtdHanriot3Aircraft ManufacturersNon UK
Hamburger Flugzeugbau GmbHHansa2Aircraft ManufacturersNon UK
Hants & Sussex AviationHantsSussex1AircraftAircraft Sales
Hanworth Air Park Aldeham AerodromeHanworth7AirfieldsAirfield Operators
Hard Aluminium Surfaces LtdHardAluminium1ManufacturingAnodising
Hardimond LtdHardimond2Engineering EquipmentMachine Tools
Hardingham BrosHardinghamBros5ManufacturingComponents
Hardman Tool & Engineering CoHardman8Role EquipmentSeals
Hardy Spicer LtdHardySpicer19ComponentsControls
Harland'sHarlands5FinishesPaints
Harley-Davidson Motor Co LtdHarleyDavidson1ManufacturingComponents
Harley Aircraft Landing LampsHarleyLamps4ComponentsLighting
Harold Harley & CoHaroldHarley3ComponentsSheet Metal Work
Harrington Ltd. Thomas Harrington1Manufacturing
Harrisflex Bearings LtdHarrisflex3ComponentsBearings
Harrison & CoHarrisonCo2ManufacturingComponents
Harrison SmithHarrisonSmith2StructuresHangars
Harris & Others LtdHarrisOthers3Aeronautical Engineers
Harris Plating Works Ltd. The HarrisPlating1FinishesElectroplating
Harris & Sheldon LtdHarrisSheldon5ManufacturingComponents
Harrods LtdHarrods4ClothingFlying Clothing
Hartley Electromotives LtdHartleyElectromotives1ManufacturingCables
HartsHarts6MaterialsFabric
Harvey Frost & Co LtdHarveyFrost1Engineering EquipmentTools
Hasler Telegraph WorksHaslerTelegraph6Instrument ManufacturersFlight Instruments
Hathershaw Sheet Metal Co LtdHathershaw2ManufacturingSheet Metal Work
Hawker Engineering Co Ltd (H.G.)Hawker357Aircraft Manufacturers
Hawker Siddeley GroupHawkerSiddeley428Aircraft Manufacturers
Hawkes & Snow LtdHawkesSnow2StructuresHangars
Hayes Engineers (Leeds) LtdHayesEngineers1ManufacturingJig & Patternmakers
Hays, Hunter & Standen LtdHaysHunter1ManufacturingAGS
Hayward Foundries LtdHaywardFoundry1ManufacturingCastings
Haywards LtdHaywards3StructuresHangars
Hazel & CoHazel8ClothingFlying Clothing
Hazlewood & Dent LtdHazlewoodDent1Engineering EquipmentMachine Tools
H.BarnettHBarnett1ManufacturingRopes
H.B.Barnard & SonsHBBarnard3MaterialsRecycling
H.B.Sale LtdHBSale3ManufacturingSheet Metal Work
H.C.Hopper & Co LtdHCHopper1Engineering EquipmentMachine Tools
High Duty Alloys, LtdHDA319MaterialsAluminium Alloys
H.Dutton & Co LtdHDutton1FactoryAir Conditioning
HealthguardHealthguard23ComponentsCovers
Heaps, Arnold & HeapsHeapsArnold1ManufacturingLead
Heavy Stampings LtdHeavyStampings2ManufacturingStampings
Hector Powe HectorPowe 12
Heenan & Froude LtdHeenanFroude15TestingDynamometers
H.E.HartleyHEHartley1Survival EquipmentFire Safety
HeinkelHeinkel1Aircraft ManufacturersNon UK
Helicopter Sales LtdHelicopterSales2Aircraft SuppliersRotary Wing
Hellermann Electric LtdHellermann62Engineering EquipmentElectrical
Helliwells LtdHelliwells76MaintenanceContractors
Helmets LtdHelmets2ClothingFlying Clothing
Henderson Safety Tank Co LtdHendersonTank12ComponentsFuel Tanks
HendonHendon140AirfieldsAirfield Operators
Hendrey RelaysHendrey29ComponentsElectrical
HenlysHenlys31TrainingFlying School
Henry J Brewster & CoHenryBrewster6Engineering EquipmentMachinery
Henry Browne & Son LtdHenryBrowne15Instrument ManufacturersFlying
Henry Caton & CoHenryCaton2ManufacturingSheet Metal Work
Henry Crossley (Packings) LtdHenryCrossley1ManufacturingWire
Henry Durke LtdHenryDurke2ManufacturingSheet Metal Work
Henry Howell & Co LtdHenryHowell1ManufacturingWoodworking
Henry Hughes & Son LtdHenryHughes10Instrument ManufacturersFlight Instruments
Henry Lindsay LtdHenryLindsay5ComponentsFasteners
Henry Miller And Co LtdHenryMiller13MaintenanceJacks
Henry Pels & Co LtdHenryPels6Engineering EquipmentMachine Tools
Henry Simonis & CoHenrySimonis1ManufacturingWoodworking
Henry Wells Oil Co LtdHenryWells1Lubricant Suppliers
Henry Wiggin & Co LtdHenryWiggin119MaterialsNimonic Alloys
Henschel Flugzeug Werke AGHenschel5Aircraft ManufacturersNon UK
Hepworth & Grandage LtdHepolite35ComponentsPiston Rings
Herbert ChappellHerbertChappell10ClothingUniforms
Herbert Morris LtdHerbertMorris1Ground EquipmentCranes
Herbert W.PorterHerbertPorter2Engine Manufacturers
Herman & Phillips LtdHermanPhillips1ComponentsPropellers
Herman Smith (Aero Services) LtdHermanSmith12ComponentsGalley Equipment
Hermeticoll. Patent Motor Products CoHermeticoll9MaterialsJointing Compounds
Herrtage Holyoake & CoHerrtageHolyoake1ManufacturingFasteners
Herts & Essex Aero ClubHertsAndEssex16TrainingFlying School
Herts Pharmaceuticals LtdHertsPharmaceuticals9MaintenanceElectrical
Heseltine Evelyn & Co LtdHeseltineEvelyn2Lubricant Suppliers
Hesse & SavoryHesseSavory3Aeronautical Engineers
Heston AirportHeston26AirfieldsAirfield Operators
Heston Aircraft Company LtdHestonAircraft14RecruitmentDraughtsmen
Hewell Spring Co LtdHewellSpring1ComponentsSprings
Hewlett & BlondeauHewlettBlondeau1Aeronautical Engineers
Hewson Mfg.co.ltdHewsonMFG2ManufacturingSheet Metal Work
Hey Engineering Co Ltd Hey2Engineering EquipmentMachine Tools
Hickman Aircraft LtdHickman14ComponentsGalley
Hiduminium Applications LtdHiduminiumApplications12MaterialsHiduminium
Highbury Aircraft CoHighburyAircraft5ManufacturingSheet Metal Work
Highgate Aircraft Co Ltd. The HighgateAircraft1Aeronautical Engineers
Highland Airways LtdHighlandAirways1Air TransportAirlines
High Pressure Components LtdHighPressureComponents22ComponentsPiping
High Tension Wires LtdHighTension1ComponentsSprings
Hill Aldam & Co Ltd. E.HillAldam1FactoryDoors
Hill BrosHillBros2AirfieldsPassenger Handling
Hiller Aircraft CorpHiller20Aircraft ManufacturersRotary Wing
Hiller & Son (Engineering) LtdHillier2ManufacturingEngineering
Hillmans AirwaysHillmans13Air TransportAirlines
Hills & Sons Ltd. F.Hillson37Aircraft Manufacturers
Hilmor LtdHilmor2Engineering EquipmentPiping
Hindustan Aircraft LtdHindustan13Aircraft ManufacturersNon UK
Hirst Magneto Co Ltd. The HirstMagneto1ComponentsMagnetos
Hirth-Motoren G.m.b.H.Hirth2Engine ManufacturersNon UK
Hispano SuizaHispanoSuiza24Engine ManufacturersNon UK
H.K.Porter Company (Great Britain) LimitedHKPorter16Ground EquipmentHoses
H.Miller & Co LtdHMiller12ComponentsElectrical
HML (Engineering) LtdHML61Ground EquipmentTest Equipment
Hobart Brothers CompanyHobart1Ground EquipmentGround Power Units
Hobdell, Way & Co LtdHobdellWay8ComponentsPiping
Hobourn Aero Components LtdHobournAero22FabricationPrecision Engineering
H M Hobson LtdHobson359ComponentsCarburetters
Hoffmann Mfg Co LtdHoffmann103ComponentsBearings
Propellerwerk HoffmannHoffmannPropeller2ComponentsPropellers
Hoggett Young & CoHoggettYoung7Ground EquipmentWelding
Holloway & CoHolloway3Sales & Brokerage
Hull Oil Manufacturing Co LtdHomco4Lubricant Suppliers
Honeywell Controls LtdHoneywell31ComponentsElectrical
Hooper & CoHooper6ManufacturingSheet Metal Work
Hooper & Edman LtdHooperEdman2ManufacturingSheet Metal Work
Hoover LimitedHoover5FactoryCleaning Tools
Hope'sHopes2FactoryLighting
Hopton & SonsHoptons9MaterialsWood
Hora Ltd. E & H.Hora2Aircraft Manufacturers
Hordern, Mason & Edwards LtdHordernMason7Engineering EquipmentMachine Tools
Hordern-Richmond Aircraft LtdHordernRichmond49MaterialsWood
Horseley Bridge & Engineering Co LtdHorseley48AirfieldsHangars
Horton Manufacturing Co LtdHorton2Health And SafetyPersonal Protection
Hoskins & Sewell LtdHoskinsSewell3ManufacturingPresswork
Houchin LtdHouchin26Ground EquipmentGround Power Units
Houdalille Hydraulic Suspension Co Ltd. The Houdalille2ComponentsHydraulics
Howard Aircraft CorporationHoward1Aircraft ManufacturersNon UK
Howard-Flanders Ltd. L. HowardFlanders9Aircraft Manufacturers
Howard Graham LtdHowardGraham1ManufacturingSeals
Howard LaneHowardLane2GasesHydrogen
Howard T. WrightHowardWright22Aircraft Manufacturers
Howmet CorporationHowmet2ManufacturingComponents
Hoyt Metal Co LtdHoyt43MaterialsWhite Metal
H.Robinson & SonsHRobinson2Engineering EquipmentStamps
H. Rollet & Co LtdHRollet27MaterialsMetals
Hawker Siddeley Aviation HSA465Aircraft Manufacturers
H.Tinsley & Co LtdHTinsley4TestingMeasuring Equipment
H.T.NewtonHTNewton4Aircraft PartsElectrical
Hubbard Ltd. S.Hubbard4MaterialsFelt
Hucks Company. B.C.Hucks2Aerial WorkAir Show
Hudes Merchandising CorporationHudes1Pilot SuppliesNavigation
Hudson & Kearns LtdHudsonKearns1OfficeOffice Equipment
Hughes InternationalHughesInternational78Aircraft ManufacturersNon UK
Hughes-Johnson Stampings LtdHughesJohnson8ManufacturingStampings
Hughes Lathbury LtdHughesLathbury2ManufacturingSpinnings
Humber Ltd (Aerial Dept)Humber40Aircraft Manufacturers
Humphries & Dawes LtdHumphriesDawes2ManufacturingEngineering
Hunters Of ChesterHunters22AirfieldsConstruction
Hunter SpringHunterSpring1TestingTest Equipment
Hunting Aircraft Ltd Hunting 70Aircraft Manufacturers
Hunting Chairline LtdHuntingChairline1ComponentsSeating
Hunting Percival Aircraft LtdHuntingPercival69Aircraft Manufacturers
Hunt Partners LtdHuntPartners1FactoryLogistics
Hurel-DuboisHurelDubois2Aircraft ManufacturersNon UK
Hurlingham Aircraft Co. The HurlinghamAircraft2FinishesCovering & Doping
Hutchinson & Co Publishers LtdHutchinson2LiteraturePublishers
Hutchinson CoHutchinsonAerocloths14MaterialsFabrics
H.W.Kearns & Co LtdHWKearns1ManufacturingMachine Tools
Hycrome LtdHycrome1ManufacturingPlating
Hymatic Engineering Co LtdHymatic135ComponentsPneumatics