This is a worldwide list of tram builders. Trams may also be called streetcars or trolleys in certain countries. These companies are, or at one time were, manufacturers of genuine trams/streetcars. Makers of replica-tram buses are not listed.

Argentina

• Fabricaciones Militares
• Materfer

Australia

• Randwick Tramway Workshops, Sydney, NSW
• Hudson Brothers, Sydney, NSW
• Bignall and Morrison, Sydney, NSW
• E. Chambers, Sydney, NSW
• Newstead Tram Cars – Historic-tramcar replicas
• Bendigo Tramways Historic-tramcar replicas
• Holden Motor Body Builders. Later to become General Motors Holden.

Belarus

• Belkommunmash

Brazil

• Bom Sinal

Bulgaria

• Tramkar

Canada

• Bombardier Transportation - Thunder Bay, Ontario - Sold to Alstom in 2020.

China

• Bombardier Transportation, China
• CRRC

Croatia

• Crotram
• Đuro Đaković (factory)  Croatia (produced trams, 1957–1993)
• ZET Zagreb (produced trams, 1922–1951)

Czech Republic

• Inekon Trams
• Pragoimex
• Škoda Transportation

Finland

• Škoda Transtech

France

• Alstom

Germany

• Adtranz (also in Sweden; bought out by Bombardier in 2001)
• Bremer Waggonbau (founded 1975, closed 1995)
• Duewag (sold to Siemens in 1999)
• Gothaer Waggonfabrik
• Hansa Waggonbau (foundet 1946, closed 1975)
• Norddeutsche Waggonfabrik (foundet 1908, closed 1930)
• Siemens

Hong Kong

• Hong Kong Tramways

Hungary

• Ganz (subsidiary of Škoda Transportation)

India

• Bharat Earth Movers
• Jessop India
• Premier Manufacturer

Italy

• AnsaldoBreda - Sold to Hitachi Rail in 2015.
• Firema Trasporti [it] SpA
• Officine Ferroviarie Meridionali
• Carminati & Toselli
• Officine Meccaniche della Stanga

Japan

• ALNA Sharyo [ja]
• Japan Transport Engineering Company
• Kawasaki Heavy Industries Rolling Stock Company
• Kinki Sharyo
• Niigata Transys Company
• Nippon Sharyo
• Hitachi
• Sapporo Sougou Tekkou Kyodoukumiai

New Zealand

• DSC Cousins & Cousins, formerly Cousins & Atkins
• Henderson & Pollard, Auckland
• Auckland City Corporation Tramways
• Auckland Transport Board
• Boon & Co, Christchurch
• Lyons and Co, Wellington
• Rouse & Hurrell, Wellington
• Rouse and Black, Wellington
• Wellington City Corporation
• Dunedin City Corporation Tramways

Poland

• FPS "Cegielski"
• Konstal
• Newag
• Pesa Bydgoszcz
• Solaris
• Modertrans ^[pl][1]

Romania

• Astra Vagoane Arad
• Electroputere VFU Pașcani
• URAC Bucharest

Russia

• PK Transportnye Sistemy
• Sinara Transport Machines
• Ust-Katav Vagon-Building Plant
• Uraltransmash

Spain

• Construcciones y Auxiliar de Ferrocarriles (CAF)

South Korea

• Hyundai Rotem

Sweden

• Adtranz (also in Germany; bought out by Bombardier in 2001)

Switzerland

• Schindler Waggon
• SIG Combibloc Group
• Stadler

Turkey

• Durmazlar (Durmaray)
• Bozankaya

Ukraine

• Electron corporation
• Tatra-Yug ^[uk]

United Kingdom

• Brush Electrical Engineering Company
• Tram Power

United States

• Brookville Equipment Corporation (2002–)
• Gomaco Trolley Company (1982–) – Historic-streetcar replicas
• TIG/M Self-powered electric and hydrogen streetcars

Defunct

Argentina

• CATITA

Austria

• Simmering-Graz-Pauker (SGP)

Australia

• Clyde Engineering, Sydney, NSW
• Commonwealth Engineering
• Duncan & Fraser, Adelaide, SA
• Eveleigh Railway Workshops, Sydney, NSW
• Meadowbank Manufacturing Company, Sydney, NSW
• Melbourne & Metropolitan Tramways Board, Preston Workshops, Victoria.
• Ritchie Brothers, Auburn, Sydney, NSW
• Walsh Island Dockyard, Newcastle, NSW

Canada

• Urban Transportation Development Corporation - Thunder Bay, Ontario 1973–1990s (used old CC&F plant)
• Hawker Siddeley Canada - Thunder Bay, Ontario, 1962–2001 (old CC&F plant)
• Canadian Car and Foundry - Montreal, Quebec,^[2] 1909–1913; 1940s
• Ottawa Car Company - Ottawa, Ontario, 1891–1948^[2]
• Preston Car Company - Preston, Ontario (now Cambridge, Ontario), 1908–1921, bought by Brill^[2]
• Toronto Railway Company - Toronto, Ontario, 1891–1920, wooden cars for mostly in-house use only, but built some cars for Mexico and Western Canadian operators by subsidiary Convertible Car Company of Toronto
• James Crossen-Cobourg Car Works - Cobourg, Ontario, 1890–1915

Czech Republic

• ČKD (1951–1999)
• Vagónka Tatra Česká Lípa (produced trams, 1929–1954)
• Vagónka Tatra Studénka (produced trams, 1902–1951)
• Královopolská strojírna (produced trams, 1903–1951)

Latvia

• RVR (Rīgas Vagonu Rupnīca) (ex—"Fenikss")

Netherlands

• Allan
• Beijnes
• Werkspoor

New Zealand

• Auckland Electric Tramways

Poland

• Protram

Romania

• Societatea de Transport Public Timișoara (1921–1977)
• Electrometal Timișoara (Eltim) (1977–1990)
• Electroputere Craiova (1954–1982)

Russia

• Saint Petersburg Tramway-Mechanical Plant

Switzerland

• Schweizerische Wagons- und Aufzügefabrik AG Schlieren-Zürich (SWS)

United Kingdom

• Dick, Kerr & Co
• English Electric
• Maley & Taunton

United States

• American Car Company (1891–1931)^[2]
• JG Brill Company (1868–1956, but streetcar production ended in 1941)^[2]
• Cincinnati Car Company (1902–1938)^[2]
• Edwards Rail Car Company (1997–2008) – Historic-streetcar replicas
• Gilbert Car Company (1840s–1895)^[2]
• W. L. Holman Car Company (1883–1913)^[2]
• Jewett Car Company (1894–1918)^[2]
• G. C. Kuhlman Car Company (1892–1932)^[2]
• Niles Car and Manufacturing Company (1901–1917)
• Pullman Company/Pullman Standard (1891–1952 for streetcars)
• St Louis Car Company (1887–1973)^[2]
• John Stephenson Company (1831–1917)^[2]
• Perley A. Thomas Car Works (1917–1936; bus manufacturer from 1936 on)
• United Streetcar (2005–2015) – Low-floor modern streetcars