| Company | Search On | Records | Category | Sub category |
| Eagle | Eagle | 17 | Engineering Equipment | Pencils |
| Eagle Aviation Ltd | EagleAviation | 20 | Air Transport | Air Charter |
| Eagle Components Co Ltd | EagleComponents | 1 | Components | Transparencies |
| Eagle Engineering Company | EagleEngineering | 2 | Ground Equipment | Toilet Servicing |
| Eaglescliffe Chemical Co Ltd. The | Eaglescliffe | 2 | Chemicals | Chromic Acid |
| Easipower | Easipower | 1 | Components | Aerials |
| East African Airways | EastAfrican | 9 | Air Transport | Airlines |
| East Anglian Aero Club | EastAnglianAero | 1 | Training | Flying School |
| Eastbourne | Eastbourne | 1 | Airfields | Airfield Operators |
| Eastbourne Aviation Co Ltd | EastbourneAviation | 18 | Training | Flying School |
| Eastern Aero Electrical Services Ltd | EasternAeroElectrical | 21 | Maintenance | Aircraft |
| Eastern Airlines | EasternAirlines | 1 | Air Transport | Airlines |
| East London Rubber Company Co | EastLondonRubber | 3 | Aircraft Parts | Factors |
| Ebonestos Industries Ltd | Ebonestos | 6 | Materials | Bakelite |
| Ebora Propeller Company | Ebora | 16 | Components | Propellers |
| Eccles (Birmingham) Ltd | Eccles | 1 | Manufacturing | Ground Equipment |
| ECD Ltd | ECD | 21 | Health And Safety | Water Treatment |
| Eclair Doors Ltd | EclairDoors | 1 | Structures | Hangars |
| Economic Electric Co | EconomicElectric | 1 | Models | Flying |
| Edgar Allen & Co Ltd | EdgarAllen | 19 | Materials | Steel |
| Edgar Percival Aircraft Ltd | EdgarPercival | 4 | Aircraft Manufacturers | |
| Edgar Vaughan & Co Ltd | EdgarVaughan | 54 | Fabrication | Machining |
| Edghill & Co Ltd. H.W. | Edghill | 41 | Ground Equipment | Ground Handling |
| Edison Swan Electric Co Ltd | Edison | 3 | Factory | Lighting |
| Edmonds Bros Ltd | Edmonds Bros Ltd | 1 | Factory | Storage |
| Edmund O.French | EdmundFrench | 1 | Components | Tie Rods |
| EDO Aircraft Corporation |
EDO | 2 | Manufacturing | Flotation Equipment |
| EDO International | EDOInternational | 6 | Avionics | Navigation |
| Edward Bowser | EdwardBowser | 1 | Components | Seating |
| E & E Kaye Ltd | EEKaye | 38 | Materials | Aluminium Alloys |
| Effingham Steel Works Ltd. The | Effingham | 3 | Materials | Steel |
| E.G.Acheson Ltd | EGAcheson | 1 | Chemicals | Lubrication |
| E G Brown And Co Ltd | EGBrown | 88 | Fabrication | Sheet Metal Work |
| Egerton Tool & Instrument Co Ltd | EgertonTool | 1 | Manufacturing | Jigs |
| E.H.Jones Ltd | EHJones | 1 | Factory | Cleaning Tools |
| Eisemann Magneto Co | Eisemann | 2 | Components | Magnetos |
| E.J.Cooke Ltd | EJCooke | 2 | Manufacturing | Leather |
| E.J.Jack Ltd | EJJack | 4 | Components | Bearings |
| E.Kalker & Co | EKalker | 4 | Components | Wire |
| Ekco Electronics Ltd | Ekco | 54 | Airfields | Radar |
| Elbridge Engine Co | Elbridge | 4 | Engine Manufacturers | Non UK |
| Electronic Components | Elcom | 1 | Components | Electronics |
| Eldon Manufacturing Co Ltd. The | EldonMFG | 2 | Manufacturing | Sheet Metal Work |
| Eldridge Engine Co | Eldridge | 1 | Engine Manufacturers | Non UK |
| E.Stanley Fardon | Electrical | 1 | Aircraft Parts | Electrical |
| Electrical Engineering Construction Co Ltd | ElectricalEngineering | 5 | Ground Equipment | Jigs |
| Electric & Ordnance Accessories Co Ltd | ElectricOrdnance | 5 | Materials | Duralumin |
| Electro-Dynamic Construction Co Ltd | ElectroDynamic | 4 | Ground Equipment | Ground Power Units |
| Electroflo Meters Co Ltd | Electroflo | 1 | Engineering Equipment | Furnaces |
| Electro Galvanisers Ltd | ElectroGalvanisers | 1 | Finishes | Anti Corrosion |
| Electro Hydraulics Ltd | ElectroHydraulics | 99 | Components | Landing Gear |
| Electronics Ltd | ElectronicsLtd | 1 | Components | Electrical |
| Electronic Vibrators Ltd | ElectronicVibrators | 1 | Testing | Vibrators |
| Electroplant Co. The | Electroplant | 1 | Factory | Electrical |
| Elgar Machine Tool Co Ltd | Elgar | 4 | Engineering Equipment | Machinery |
| E J Elgood Ltd | Elgood | 5 | Structures | Construction |
| Elliot Equipment Ltd | ElliotEqpt | 19 | Structures | Parachutes |
| Elliott Brothers Ltd | ElliottBrothers | 192 | Avionics | Navigation |
| Ellison Insulations Ltd | EllisonInsulations | 40 | Materials | Tufnol |
| Elstree. Aerodrome | Elstree | 1 | Training | Flying School |
| Emaillite Co Ltd. British | Emaillite | 50 | Materials | Varnish |
| Embraer. Empresa Brasileira De Aeronautica S.A. | Embraer | 9 | Aircraft Manufacturers | Non UK |
| EMI Engineering Development |
EMI | 4 | Manufacturing | Electronics |
| E.M.O. Instrumentation Ltd |
EMO | 4 | Components | Bearings |
| Empire Rubber Co | EmpireRubber | 14 | Components | Rubber |
| Empress Motor Car & Aviation Co | Empress | 4 | Engine Manufacturers | |
| Endolithic Mfg Co Ltd | Endolithic | 2 | Finishes | Plating |
| Enfield Rolling Mills | EnfiedMills | 1 | Manufacturing | Aluminium Alloys |
| Enfield Machine & Auto Tool Co | EnfieldMachine | 1 | Engineering Equipment | Jigs |
| Enfiled Rolling Mills | EnfiledMills | 1 | Manufacturing | Aluminium Alloys |
| Engel & Gibbs Ltd | EngelGibbs | 16 | Components | Switches |
| Engineering Accessories | EngineeringAccessories | 1 | Fasteners | AGS |
| Engineering Corporates Ltd | EngineeringCorporates | 3 | Engineering Equipment | Hand Tools |
| Engineering Equipment. Chelsea Precison Tools Ltd | EngineeringEquipment | 29 | Engineering Equipment | Hand Tools |
| Engineering Timber Co Ltd | EngineeringTimber | 12 | Materials | Wood |
| English Electric | EnglishElectric | 224 | Components | Electrical |
| English Steel Corporation Ltd | EnglishSteel | 147 | Manufacturing | Steel |
| Enheat Aircraft | Enheat | 1 | Manufacturing | Non UK |
| Enstrom | Enstrom | 3 | Aircraft Manufacturers | Rotary Wing |
| Enthoven & Sons Ltd. H.J. | Enthoven | 2 | Materials | Solder |
| En-Tout-Cas Co (Syston) Ltd | Entoutcas | 28 | Airfields | Construction |
| ENV Motor Syndicate Ltd |
ENV | 18 | Engine Manufacturers | |
| E.N.V. Engineering Co Ltd | ENVEngineering | 36 | Fabrication | Gears |
| E.O.French | EOFrench | 1 | Manufacturing | Wire |
| Epco Ltd | Epco | 1 | Ground Equipment | Jacks |
| Epsylon Industries Ltd | Epsylon | 7 | Avionics | Navigation |
| Equator Wheels & Sections Ltd | EquatorWheels | 10 | Manufacturing | Steel |
| Equipment & Engineering Co Ltd | EquipmentEngineering | 3 | Engineering Equipment | NDT |
| Ericsson Mfg Co | Ericsson | 4 | Components | Magnetos |
| Erie Electronics Ltd | ErieElectronics | 1 | Components | Electrical |
| Erith's Engineering Co Ltd | Eriths | 1 | Engineering Equipment | Wood Driers |
| Ernest Lake Ltd | ErnestLake | 4 | Ground Equipment | Stands |
| Ernest Turner (Weaving) Ltd | ErnestTurner | 4 | Role Equipment | Cabin Furnishings |
| E.R.S. Ltd |
ERS | 13 | Components | Electrical |
| E.S.Aston Ltd | ESAston | 12 | Manufacturing | Machining |
| ESA Ltd | Esavian | 71 | Structures | Hangars |
| E.Siegrist | ESiegrist | 3 | Engineering Equipment | Hand Tools |
| Essex Aero Ltd | EssexAero | 32 | Fabrication | Magnesium Alloys |
| Essex Fire Extinguisher Co Ltd | EssexFire | 1 | Survival Equipment | Fire Safety |
| ESSO. Anglo-American Oil Co., Ltd | Esso | 191 | Fuel Suppliers | |
| European Satellite Team | EST | 1 | Aircraft Manufacturers | Non UK |
| Ether Ltd | Ether | 1 | Components | Electrical |
| E.T.Willows Ltd | ETWillows | 8 | Aircraft Suppliers | Dirigibles |
| Euro Missile | EuroMissile | 13 | Weapons | Missiles |
| Euston Ignition Co Ltd | EustonIgnition | 2 | Maintenance | Magnetos |
| Events | Events | 124 | Events | Pleasure Flights |
| Everett & Co Ltd. S & R.J. | Everett | 1 | Fasteners | Rivets |
| Evershed & Vignoles Ltd | Evershed & Vignoles | 1 | Components | Controls |
| Evershed & Vignoles Ltd | EvershedVignoles | 3 | Components | Controls |
| William Ewart & Son Ltd | Ewart | 1 | Materials | Fabric |
| E.W.Humphires | EWHumphires | 1 | Manufacturing | Sheet Metal Work |
| E.W.Pearce & Sons Ltd | EWPearce | 1 | Aeronautical Engineers | |
| Exactor Controls | Exactor | 45 | Components | Controls |
| Aircraft Exchange & Mart Ltd | ExchangeMart | 49 | Sales & Brokerage | Aircraft |
| Exeau Products Ltd | Exeau | 1 | Manufacturing | Wood |
| Exeter Airport | Exeter | 1 | Airfields | Airport |
| Exide Batteries | Exide | 61 | Components | Batteries |
| Expanded Rubber Co Ltd | ExpandedRubber | 5 | Materials | Rubber |
| Expandite Ltd | Expandite | 1 | Chemicals | Sealants |
| Export Packing Service Ltd | ExportPacking | 27 | Factory | Logistics |
| The Exton Board Co Ltd | ExtonBoard | 1 | Materials | Exton Core |
| Eyquems Patents | EyquemsPatents | 5 | Models | Flying |
| Eyre Smelting Company Ltd. The | EyreSmelting | 1 | Manufacturing | Castings |
