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Engine builder statistics | Locomotive Manufacturers Association | Bradford | Rotherham
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Click onto the acronym to view full database listing for the relevant company. Clicking onto the name or works history link will display our brief history for the selected company. The companies may be filtered by the type of items produced using the links above. If there are survivors click onto the survivors to view.
Builder Products Notes
O
AVRO A V Roe (Avro) Aviation/Military

Plane manufacturer Avro were founded in Manchester in 1910. During the second world war they established a large "shadow factory" next to Yeadon Aerodrome (now Leeds Bradford Airport). 
Works History

Dod Dodd's Rail

Rotherham based manufacturer of a few railway locomotives. 
Works History

Doug Dougill's Engineering Road

Dougill's Engineering built the Loidis between 1898 and 1904. They also built cars and commercial vehicles under the Frick name. 
Works History

Electro Electromobile Rail

Built some electric locos, based in Otley not to be confused with the company from London with similar name. 
Works History

Glov Glover's Motors Road

Glover's Motors, of Woodhouse Lane, Leeds Sold an "American car" designed and assembled in the UK in 1920's. Few were sold 
Works History

KFO Kirkstall Forge Crane
Other Items

The firm was founded as Beecroft & Butler 
Works History

Leo The Bishop and Fuller Manufacturing Co Ltd Road

Made an 8hp cyclecar in 1913 called "The Leo" which was sold by Derry & Toms of Kensington. 
Works History

LFO Leeds Forge Rail
Other Items

The Leeds Forge supplied railway wagons and other items for many years. 
Works History

Opt Switch mobility Road

Optare made buses in the former Cross Gates works of Charles Roe, taken over by employees and managers of that firm on its closure in the 1980s. The company has since moved to Sherburn in Elmet. In 2020 has changed name with the emphasis on electric vehicles and currently owned by the Indian company Ashok Leyland. 
Works History

Opt Optare Road

Optare made buses in the former Cross Gates works of Charles Roe, taken over by employees and managers of that firm on its closure in the 1980s. The company has since moved to Sherburn in Elmet. In 2020 has changed name with the emphasis on electric vehicles and currently owned by the Indian company Ashok Leyland. 
Works History

Pott Potts Other Items

Potts made about 1700 clocks in Leeds that use precision engineering. Many are still in use in original locations. 

Rodl Rodley Road

In 1953 Henry Brown designed and had built a micro car in Rodley, a forerunner to Hunslet's Scootacar 
Works History

ROE Charles Roe Rail
Road

Charles Roe began by making trailers for locally produced traction engines produced and bodies for commercial vehicles in a rented works on Balm Road. They went on to make large numbers of bus bodies in a much larger works in Cross Gates. 
Works History

ROF(L) Royal Ordnance Factory Barnbow Road
Aviation/Military

Royal Ordnance Factory was opened during the First World War making ammunition later to produce many of the familiar tanks such as Centurions, Challengers and Chieftains. 
Works History

Sko Skoda Rail
Road
Other Items

Pilsen in the Czech republic 
Works History

TO Turner and Ogden Rail
Other Items

A short lived early manufacturer who had begun locomotive and stationary engine production at their Providence Foundry on Hunslet Lane in 1839 but were devastated by a fire at the works. 
Works History

Wbo Wellman Booth Crane

Formed of a series of mergers including Leeds firms Joseph Booth and Thomas Smith, this firm are still producing cranes. Design work takes place in Yeadon but production is in Gateshead. 
Works History