This is a list of the more notable companies that manufactured traction engines of any kind, including steam tractors, portable engines, and steam rollers.

Germany Borsig of Berlin, Germany Esterer, Germany (particularly known for their Ploughing engines) Freibahn of Spandau , Germany Hanomag, Hannover, Germany now part of Komatsu Henschel & Son, of Kassel, Germany Kemna Bau, Breslau, (then) Germany Heinrich Lanz AG, of Mannheim, Germany , Wellentrup, Germany () , Magdeburg, Germany () , Stadthalle Soest, Germany () Scharer & Gross, Germany () , Germany ()

Great Britain There were a large number of manufacturers in Great Britain. Most started life as agricultural engineers, and many exported engines all over the world. Some of the manufacturers are listed below:

Alfred Dodman & Co. William Allchin, Northampton – (MERL database entry) John Allen & Company, Oxford - best Known for the Allen Scythe.John Allen and Sons (Oxford) www.gracesguide.co.uk, accessed 2 April 2021 Aveling & Porter, Rochester, Kent Bristol Wagon & Carriage Works Built steam wagons from 1904 to 1908The World Encyclopedia of Trucks, by Peter J Davis, Brown & May, Devizes, Wiltshire Charles Burrell & Sons, Thetford, Norfolk – (MERL database entry) Clayton & Shuttleworth, Lincoln – (MERL database entry) Edwin Foden, Sons & Company, Sandbach, Cheshire Durham and North Yorkshire Steam Cultivation Company William Foster & Co, Lincoln G J Fowell & Co, St Ives, Huntingdonshire G. J. Fowell & Co St Ives, Huntingdonshire, England, U.K. Manufacturer Class: Steam and Gas Engines vintagemachinery.org, accessed 2 April 2021 John Fowler & Company, Leeds, Yorkshire Gibbons & Robinson Thomas Green & Son, Leeds, Yorkshire. James & Frederick Howard, Bedford Mann's Patent Steam Cart and Wagon Company, Leeds, Yorkshire Marshall, Sons & Co., Gainsborough, Lincolnshire J&H McLaren & Co., Leeds, Yorkshire Paxman, Colchester, Suffolk Ransomes, Sims & Jefferies, Ipswich, Suffolk Richard Garrett & Sons, Leiston, Suffolk Robey & Co, Lincoln – (MERL database entry) Ruston & Hornsby, Lincoln Frederick Savage, King's Lynn, Norfolk - Portable centre engines for amusement ridesFrederick Savage, Victorian Fairground Manufacturer of King’s Lynn www.museums.norfolk.gov.uk, accessed 2 April 2021 Sentinel Waggon Works, Shrewsbury, Shropshire - Utilised vertical boilers Tasker & Sons, Andover, Hampshire William Tuxford & Sons, Boston, Lincolnshire.William Tuxford and Sons www.gracesguide.co.uk, accessed 2 April 2021 Wallis & Steevens, Basingstoke, Hampshire – (MERL database entry) Yorkshire Patent Steam Wagon Co. Leeds, Yorkshire

North America Key: '~' indicates a manufacturer for whom no known products survive.

Advance Thresher Co. – later merged with the M. Rumely Co. to create Advance-Rumely Thresher Co. Advance-Rumely Thresher Co., La Porte, Indiana ~Althaus Ewing & Co. ~American Engine Co. American-Abell Engine and Thresher Company, Toronto, OntarioPlacard at Saskatchewan Western Development Museum Amongst other models, built three-wheelers with a single wheel mounted on a fork perch bracket beneath the smokebox. Ames Iron Works ~Atlas Engine Works Aultman Co. Aultman-Taylor Machinery Co. Avery Power Machinery Co., Peoria, Illinois A.D. Baker Company Best Manufacturing Company, San Leandro, California Birdsall Engine Co. Blumentritt Co. Buffalo-Pitts Steam Roller Co. Buffalo-Springfield Roller Co. ~Byron, Jackson Machine Works Case, J.I. Co. Colean Mfg. Co. C & G Cooper & Co's. Crowel Mfg. Co. Clyde Iron Works Co., Duluth, MN D. June & Co. ~Davidson & Rutledge Farquhar, A.B. Co. ~Fishkill Landing Machine Co. Frick & Co. Gaar Scott & Co. Geiser Manufacturing, makers of the Peerless line of steam tractors, later bought out by Emerson-Brantingham ~George W. Morris ~George Page & Co. George White & Sons Co. Ltd., London and Brandon, Canada. Greyhound, Banting Mfg. Co. Groton, Charles Perrige & Co. ~Hagerstown Steam Engine & Machine Co. ~Harrisburg Car Mfg. Co. Harrison Machine Works (Jumbo) Heilman Machine Works ~Holt Manufacturing Company (became Caterpillar Inc.) ~Hooven, Owens & Rentschler Co. Huber Manufacturing Co. Illinois Thresher Co. ~Jacob Price ~James Means & Co. John Goodison Thresher Co. Ltd., Sarnia, Ontario, Canada ~J.M. Ross & Sons, St. Catharines, Ontario, Canada. Keck-Gonnerman Co., Mount Vernon, Indiana O.S. Kelly Co., Springfield, Ohio Kitten, Ferdinand Foundry Co. ~Koppes W.M. & Co. Lang & Button Co., Ithaca, New York Lansing Iron Works Co. Lansing, Michigan Leader, Marion Mfg. Co., Marion, Ohio MacDonald Thresher Co., Stratford, Ontario, Canada McNamer Co., Newark, Ohio ~Merritt & Kellogg, Battle Creek, Michigan ~Messinger Mfg. Co., Tatamy, Pennsylvania Minneapolis Threshing Machine Co., Hopkins, Minn. ~Morningstar Mfg. Co. (Napoleon), Napoleon, Ohio ~Muncy Traction Engine Co., Muncy, Pennsylvania New-Giant, Northwest Thresher Co., Stillwater, Minn. New Hamburg Mfg. Co. Ltd., New Hamburg, Ontario, Canada Nichols & Shepard Co., Battle Creek, Michigan ~Ohio Engine & Thresher Co., Upper Sandusky, Ohio ~Owens, Lane & Duyer Co., Hamilton, Ohio Peerless, Geiser Mfg. Co., Waynesboro, Pennsylvania Peterson N. C. & Sons, Sarnia, Ontario, Canada Port Huron Engine & Thresher Co., Port Huron, Mich. Reeves & Co., Columbus, Indiana ~Remington Co., Woodburn, Oregon Robert-Bell Engine & Thresher Co., Seaforth, Ontario, Canada ~Roberts & Dean Co., Sacramento, California Robinson & Co., Richmond, Indiana M Rumley Co., LaPorte, Indiana – later merged with the Advance Thresher Co. to create Advance-Rumely Thresher Co. Russell & Company (Steam Tractor), Massillon, Ohio (1848–1962) ~Ryan & McDonald, Waterloo, New York Sawyer-Massey & Co. Ltd., Hamilton, Ontario, Canada after merger with Harris to form Massey-Harris later became Massey Ferguson Scheidler, R. Co., Newark, Ohio Springfield Engine & Thresher Co., Springfield, Ohio (later became OS Kelly Co and Kelly Springfield) Stevens, A. W. & Son Co., Auburn, New York Stevens, A. W. Co., Marinette, Wisconsin Twentieth Century Mfg. Co., Marinette, Wisconsin ~Union-Iron Works (Walker), Newark, Ohio Upton Mfg. Co., Port Huron, Michigan Waterloo Mfg. Co. Ltd., Waterloo, Ontario, Canada Waterous Engine Works Co. Ltd., Bradford, Ontario, Canada Watertown Engine Company, Watertown, New York Westinghouse Co., Schenectady, New York Westinghouse Farm Engine Wood Brothers Thresher Co., Des Moines, Iowa Wood, S.W. & Son Co., Clyde, New York Wood, Taber & Morse Co., Eaton, New York

Rest of the world Aillot, France Munktells Mekaniska Verkstad, Sweden (not Bolinders), now part of Volvo group , Denmark now part of Babcock & Wilcox

See also List of tractor manufacturers List of former tractor manufacturers List of steam energy topics List of steam car makers

References