British Aircraft Companies - H
- Haddon Wood
- Hafner
- Hall
- Halton
- Hamble River
- Hammant
- Hammond
- Hampshire (circa 1909)
- Hampshire Aero Club
- Handasyde
- Handley Page
- Hants and Sussex
- Hardy
- Hare
- Hargreaves
- Harker
- Harper
- Harris
- Harris and Fagan
- Harrison
- Hart
- Harthill
- Hartman
- Hatfield Man Powered Aircraft Club
- Hawker
- Hawker Siddeley
- Hawkins-Ogilvie
- Hawkridge
- Haynes
- HBN
- Hetherington
- Helicoplane
- Helmy
- Henderson
- Henderson-Glenny
- Hendy
- Henshaw
- Heston
- Hewitt, S.R. (circa 1908)
- Hewitt, V.V.D. (circa 1909)
- Hewlett
- Hick
- Higgins
- Hill and Co (circa 1911)
- Hill, E.K. (circa 1910)
- Hill, F (circa 1911)
- Hill, G.T.R. (circa 1911)
- Hill, H (circa 1912)
- Hill
- Hills and Sons
- Hillson
- Hinkler
- HMPAC
- Hodgess-Roper
- Holdsworth
- Holland and Holland
- Holmes, D.C.
- Holmes, Kenneth
- Holt
- Hopkirk and McCormick
- Hordern-Richmond
- Horizon
- Hornstein
- Hotol
- Houston
- Howard-Windham
- Howard Wright
- Howitt
- Hoyle
- HPA
- HS
- HSA
- Hubbard
- Hughes
- Humber
- Humphreys
- Humphris
- Hunt
- Huntair
- Hunting
- Hunting Firecracker Aircraft
- Hunting Percival
- Hurd-Hayles
- Husband
- Hutton and Wilson
- Hyerman and Warren
- HyperMatch