Companies based in Cleveland

defunct American oil company (1870–1911)

American technology firm

talent and event management company headquartered in New York City

KeyBank is an American regional bank, headquartered in Cleveland, Ohio. Formed by the 1994 merger of the Society Corporation and KeyCorp, KeyBank is the 27th largest bank in the United States. The company today operates nearly 1,000 branches and over 1,200 ATMs across the Midwest, the Pacific Northwest and Northeast United States as well as in Alaska, Colorado, Texas and Utah.

Sherwin-Williams is an American paints and coatings company based in Cleveland, Ohio. It is primarily engaged in the manufacture, distribution, and sale of paints, coatings, floor coverings, and related products with operations in over 120 countries. As of 2024, it is the largest coatings company in the world by revenue.

insurance company

global manufacturer and distributor of pressure-sensitive adhesive materials

American record company

manufacturer that specializes in the making and distributing vacuum cleaners

former railway system in the United States of America

thumb|Indiana Harbor Works in 2022 thumb|The ArcelorMittal mill at Burns Harbor, Indiana|Burns Harbor, purchased by Cleveland-Cliffs in 2020 Cleveland-Cliffs Inc. (CCI, formerly Cliffs Natural Resources) is an American steel manufacturer based in Cleveland, Ohio. It specializes in the mining, beneficiation, and pelletizing of iron ore, as well as steelmaking, including stamping and tooling. The company is ranked 22nd on the list of steel producers and is the second-largest steel producer in the United States after Nucor. It is the largest flat-rolled steel producer in North America. The compan

Swagelok Company is a $2 billion privately held developer of fluid system products, assemblies, and services for the oil and gas, chemical and petrochemical, semiconductor, and transportation industries.

Lubrizol Corporation is a global provider of specialty chemicals for the transportation, industrial and consumer markets. These products include additives for engine oils and other transportation-related fluids, additives for industrial lubricants, and additives for gasoline and diesel fuel. In addition, Lubrizol makes ingredients and additives for personal care products, pharmaceuticals and medical devices, specialty materials, including plastics technology, and coatings in the form of specialty resins and additives.

American greeting card company

American publicly traded holding company

transport company

defunct American Class I railway

American digital distributor of eBooks, audiobooks, music, and video titles

full-service travel center chain in the United States

former American car manufacturer