Ohio Top Companies List by Market Cap as of August 2026

Procter & Gamble Company is one of World's top FMCG Company with Baby Care, Fabric Care, Family Care, Feminine Care, Hair Care, Home Care, Grooming, Personal Health Care, Oral Care, Skin and Personal Care Products. Headquarters is in USA.

Welltower is real estate investment company with main focus on health care infrastructure necessary to facilitate better treatment at lower costs and keep patients out of the hospital. They provide real estate capital to seniors housing operators, post-acute care providers and health systems. They own hospitals and medical office buildings. Headquarters is in Ohio, USA.

As on 2022, Welltower has 514 employees.

PARKER-HANNIFIN CORPORATION is the global leader in motion and control technologies, providing precision-engineered solutions for a wide variety of mobile, industrial and aerospace markets. Headquarters is in USA. Company has leadership position in nine core Motion and Control technologies that include aerospace, climate control, electromechanical, filtration, fluid and gas handling, hydraulics, pneumatics, process control, sealing and shielding.

Company Products:

PROGRESSIVE CORPORATION is a Vehicle Insurance company. Progressive seeks to become consumers and agents destination for auto, home, and other insurance company by:

• DELEVERING VALUE
• REMAINING COMPITATIVE

Headquarters is in USA.

As on 2023 PROGRESSIVE CORPORATION has 55,000 employees.

Vertiv Holdings Co is a growing global Retailer improved IT network resiliency and simplified management of in store edge infrastructure which reduced existing support costs for use of centralized and cloud data centres. The company services are spare parts and parts management, preventive maintenance, performance optimization services, remote services, project and commissioning services, preventive maintenance for industrial, UPS and battery Services and generator and switchgear services. The headquarters is in USA.

MARATHON PETROLEUM CORPORATION is Oil and Gas sector company with business in Petroleum products refining, marketing and transportation company. Headquarters is in USA. Company has 16 oil refineries.

As on 2022, MARATHON PETROLEUM CORPORATION has 17,800 employees.

MARATHON PETROLEUM CORPORATION annual revenue generated for period ending Dec-2022 was 177,453 million USD.

SHERWIN-WILLIAMS COMPANY is Painting, Coating and Building Materials manufacturing company with headquarters is in Ohio, USA.

As on 2021, SHERWIN-WILLIAMS COMPANY had 4,549 Sherwin-Williams paint stores in the United States, Canada and the Caribbean, and 310 in Brazil, Chile, Ecuador, Mexico and Uruguay. Dedicated dealers, home centers, distributors and hardware stores in Argentina, Brazil, Chile, Ecuador, Mexico and Uruguay. Licensee in El Salvador serves Central America

CINTAS CORPORATION offers services like providing Uniforms, Facility Services. Cintas offers industries and companies by offering and supplying corporate identity uniform programs, providing entrance and logo mats, restroom supplies, promotional products, first aid, safety, fire protection products and services and industrial carpet and tile cleaning. They operate more than 400 facilities in North America including six manufacturing plants and eight distribution centers. Headquarters is in USA.

TRANSDIGM GROUP manufactures aerospace components with headquarters is in Ohio, USA.

TransDigm, Inc., is a designer, producer and supplier of highly engineered aircraft components for use on nearly all commercial and military aircraft in service today.

As on 2022, TRANSDIGM GROUP has 14,400 employees.

The Company’s businesses are organized and managed in three reporting segments:

AMERICAN ELECTRIC POWER COMPANY is Electricity generation and Electricity Utility company with headquarters is in USA.

As on 2022, AMERICAN ELECTRIC POWER COMPANY has 16,974 employees.

AMERICAN ELECTRIC POWER COMPANY annual revenue generated for period ending Dec-2022 was 19,639 million USD.

AMERICAN ELECTRIC POWER COMPANY annual net income generated for period ending Dec-2022 was 2,307 million USD.