Hall 1905-1906 (Sydney)
Hallam - Tazewell and Hallam, 1898-1912
Harrison 1904~1917 (Vic.)
Harrison & Reynolds
Messrs. J. B. R. Harrison and S. Reynolds have notified the public of their intention to open in Murray Bridge an up-to-date motor garage alongside Mr. H. R. Jobling's furniture warehouse. A neatly printed card issued by this office to the order of proprietors of this new business in the town stales that they will be agents for the famous Humberette car, concerning which all particulate are obtainable.
The garage is fitted with a car pit and all other facilities for repair work and cars will be stored at owners' risk.
Motor cycles will be built to order and all brands of oils and benzines will be kept in stock.
The Mount Barker Courier and Onkaparinga and Gumeracha Advertiser, Fri 24 Jan 1913 (Trove NLA)
Havelock by Bilyard of Hobart.
Hawthorn
Hercules 1908~1927 (Melbourne)
Hinsley
Manufactured by Charles Hinsley of 154 Pirie Street, Adelaide.
Previously his motorcycles were named Criterion and had been produced since 1904 or earlier.
Hinsley motorcycles of 2¼ and 3 h.p. appear in registration records for 1915.
Source: Robert Saward
Hockley 1914-1916
Hodgson
John Hodgson had a bicycle store in Oatlands, Tasmania, from before WW1 until the 1920s. One motorcycle is recorded as having been produced in 1917 using a TDC engine. It is not clear whether it was named Hodgson.
Source: Robert Saward
Hogan
Manufactured by John Hogan of 613 Bridge Road, Richmond, Victoria circa 1908 to 1912.
Recorded as active in the sport since 1903, he was mentioned in competition results for 1908 and 1909 as the rider of Hogan 1¾, 2 and 2¼ h.p. motorcycles.
A 1912 advertisement states that he built motorcycles, sidecars, trotting sulkies and aeroplane chassis and landing gear.
Source: Robert Saward
Holly
James Holcroft operated the Holly cycle and motorcycle works in Edward St, Brisbane.
It is recorded that he raced a 2½hp Holly on Saturday 11 May 1907, and a 2¾ horsepower Holly was ridden by J. Holcroft in 1908 races, Queensland.
Sources: Terry Parker, et al.
Hooker
Manufactured by
Built by J.G. Hooker of Ann Street, Hindmarsh, S.A. in 1913. Hooker was in the bicycle business for some years previously, and may have built other motorcycles.
Source: Robert Saward
Howard
A number of motorcycles were built using Howard rotary hoe engines housed in AMC frames in the late 1970s and early 80s. Simon Fleming credits Shane Phelps with this information.
Source: Simon Fleming.
H.R.B.
Built by H.R. Bain at the premises of Arthur Sherrot in North Fitzroy, Victoria, between 1908 and 1913, the machines were fitted with an engine of Bain's own design, a cylindrical petrol tank. Possibly only two were constructed.
Source: Robert Saward
Hunter Piccaninny 1950s
Hunter
Originally from NSW, in 2014 Hunter Motorcycles was purchased by Hunter distributor Ben Namnik and moved to Victoria Park, Perth, Western Australia. The firm sells learner-legal machines with custom styling along with larger custom tourers.
Models listed: Spyder 350cc; Bobber 350cc; Cruiser 250 & 350cc; Cafe Racer 350cc; Daytona 350cc; Sniper TT350X.
Sources: Wikipedia, huntermotorcycles.com.au et al
Hunwick-Hallam/Harrop 1997~ (NSW)
Hurry Up
According to Saward, a Hurry Up motorcycle was advertised at Kent Town, SA, in 1914. Google AI claims that this is actually a Mostyn built by Healing, but gives no source for the information.
Source: Robert Saward
Rarer Australian Marques