USA Top Companies List by Market Cap in August 2026

ADAMS DIVERSIFIED EQUITY FUND is a financial company. Adams Diversified Equity Fund, Inc. is a publicly owned investment manager. The company provides its services to investment companies. The firm invests in the public equity markets of the United States.

Adams Diversified Equity Fund, Inc. was founded in 1840 and Headquarters is in Baltimore, Maryland, USA.

Avista Corporation is a Energy company. It involved in the production, transmission and distribution of energy as well as other energy related businesses. The company operating division, providing electricity to nearly 3,40,000 customers and natural gas to about 3,00,000 customers across 30,000 square miles and four northwestern states. The headquarters is in USA.

Synthorx is a Clinical Stage Biotechnology company. It is focused on prolonging and improving the lives of people with cancer and autoimmune disorders and platform technology expands the genetic code by adding a new DNA base pair and is designed to create optimized biologics referred to as Synthorins. The headquarters is in USA.

Assore delisted from JSE in March-2020.

Alliance Resource Partners is a Diversified Coal Producer and Marketer with Significant Operations in the Eastern United States. The headquarters is in USA.

NexTier Oilfield Solutions provides engineering services for oil and gas drilling and production services. It combines approximately 2.2 million hydraulic horsepower and the latest downhole fracturing technology with well specific designs for fluids and equipment configurations to increase overall production. The headquarters is in USA.

Patterson-UTI acquired Nextier Oilfield Solutions and they were merged in 2023. Post that NexTier Oilfield Solutions is delisted and only Patterson-UTI will be trading on stock exchanges.

Manufacture Water Coolers, Tumblers, Mugs, Bottles, Waterproof bags, Cargo Carrier boxes, Dog Bowls, Apparel, Hats, Ice Packs. Headquarters is in Texas, USA.

Duck Creek Technologies is an Industry Expertise and Advanced Software Technology company. The headquarters is in USA.

Duck Creek Technologies Inc was acquired by Vista Equity Partners for 2.6 billion USD in 2023.

Plug Power is a Electrical Equipment Manufacturing company. The company annual revenue is 230.2 million USD and 835 employees as on 2019. The headquarters is in USA.

Digi International is a Wireless Communication and Forging the Future for Connected Devices company. It transmit over 430 trillion bytes of data communications across applications in smart cities, transportation systems, medical operations, precision agriculture and industrial environments, allowing us to access critical information instantaneously. The headquarters is in USA.

ManTech International Corporation is a Advanced Technological Services company. It is a multibillion dollar public company that provides the innovation, adaptability and critical thinking government needs for success in defense, intelligence, law enforcement, science, administration, health and other fields. The company customers and anticipating their needs and hiring nearly 8,000 talented professionals to propel into the future and acquiring companies with proven capabilities. The headquarters is in USA.

Carlyle acquired Mantech International Corporation for 4.2 billion USD in 2022.

Hayward Holdings, Inc is a manufacturing cutting edge and technologically advanced pool equipment company. The company products include a complete line of technologically advanced pumps, filters, heaters, heat pumps, automatic pool cleaners, lighting, controls and salt chlorine generators high quality components. The headquarters is in USA.