
Cummins is an American multinational corporation that designs, manufactures, and distributes engines, filtration, and power generation products. Cummins also services engines and related equipment, including fuel systems, controls, air handling, filtration, emission control, electrical power generation systems, and trucks.

Fairbanks, Morse and Company was an American manufacturing company in the late 19th and early 20th century. Originally a weighing scale manufacturer, it later diversified into pumps, engines, windmills, coffee grinders, radios, farm tractors, feed mills, locomotives, and industrial supplies until it was purchased by Penn Texas in 1958 and later, in 1999, by Goodrich Corp. It used the trade name Fairbanks-Morse.

Fincantieri S.p.A. is an Italian shipbuilding company based in Trieste, Italy. Already the largest shipbuilder in Europe, after the acquisition of Vard in 2013, Fincantieri group doubled in size to become the fourth largest in the world (2014). The company builds both commercial and military vessels.
GE Transportation is a division of Wabtec. It was known as GE Rail and owned by General Electric until sold to Wabtec on February 25, 2019. The organization manufactures equipment for the railroad, marine, mining, drilling and energy generation industries. The company was founded in 1907. It is headquartered in Pittsburgh, Pennsylvania while its main manufacturing facility is located in Erie, Pennsylvania. Locomotives are assembled at the Erie plant, while engine manufacturing takes place in Grove City, Pennsylvania. In May 2011, the company announced plans to build a second locomotive factory in Fort Worth, Texas, which opened in January 2013.

General Motors Company (GM) is an American multinational corporation headquartered in Detroit that designs, manufactures, markets, and distributes vehicles and vehicle parts, and sells financial services, with global headquarters in Detroit's Renaissance Center. It was founded by William C. Durant on September 16, 1908, as a holding company, and the present entity was established in 2009 after its restructuring. The company is the largest American automobile manufacturer and one of the world's largest automobile manufacturers.

IVECO S.p.A., an acronym for Industrial Vehicles Corporation, is an Italian transport vehicle manufacturing company based in Turin and a wholly owned subsidiary of CNH Industrial. It designs and builds light, medium and heavy commercial vehicles, quarry/construction site vehicles, city and intercity buses and special vehicles for applications such as firefighting, off-road missions, the military and civil defence. The name Iveco first appeared in 1975 after a merger of Italian, French and German brands. Its production plants are in Europe, Brazil, Russia, Australia, Africa, Argentina and China, and it has approximately 5,000 points of sales and service in over 160 countries. The worldwide output of the company amounts to around 150,000 commercial vehicles with a turnover of about €10 billion.

MAN Energy Solutions SE is a multinational company based in Augsburg, Germany that produces large-bore diesel engines and turbomachinery for marine and stationary applications, as marine propulsion systems, power plant applications and turbochargers. The company was formed in 2010 from the merger of MAN Diesel and MAN Turbo. MAN Energy Solutions is a subsidiary of the German carmaker Volkswagen Group.

McIntosh & Seymour was an American manufacturer of steam and internal combustion engines during the late 19th and early 20th centuries.
D. Napier & Son Limited was a British engineering company best known for its luxury motor cars in the Edwardian era and for its aero engines throughout the early to mid-20th century.

Ruston & Hornsby was an industrial equipment manufacturer in Lincoln, England founded in 1918. The company is best known as a manufacturer of narrow and standard gauge diesel locomotives and also of steam shovels. Other products included cars, steam locomotives and a range of internal combustion engines, and later gas turbines. It is now a subsidiary of Siemens.

Ruston & Hornsby was an industrial equipment manufacturer in Lincoln, England founded in 1918. The company is best known as a manufacturer of narrow and standard gauge diesel locomotives and also of steam shovels. Other products included cars, steam locomotives and a range of internal combustion engines, and later gas turbines. It is now a subsidiary of Siemens.

Sulzer Ltd. is a Swiss industrial engineering and manufacturing firm, founded by Salomon Sulzer-Bernet in 1775 and established as Sulzer Brothers Ltd. in 1834 in Winterthur, Switzerland. Today it is a publicly traded company with international subsidiaries. The company's shares are listed on the Swiss Stock Exchange.