Maryland Top Companies List by Market Cap as of August 2026

Choice Hotels International (NYSE: CHH) is one of the largest lodging franchisors in the world. Choice currently franchises more than 7,100 hotels, representing nearly 600,000 rooms, in more than 40 countries and territories. The headquarters is in USA.

WILLSCOT MOBILE MINI HOLDINGS has all the essentials you need with your building from furniture to fixtures to steps plus portable storage units. One call, one quote, one delivery and you can get right in and get to work. Headquarters is in USA.

WillScot Corporation operates across 375 locations across the United States, Canada, Mexico, and the United Kingdom with a combined fleet of over 350,000 portable offices and storage containers.

Tenable Holdings is a Software company. It asset across entire attack surface from cloud environments to operational technologies, infrastructure to containers and remote workers to modern web apps with market leading vulnerability management sensors. The company supports over 30,000 organizations around the world rely on to help them understand and reduce cyber security risk. The headquarters is in USA.

Corporate Office Properties Trust is a Real Estate Investment Trust and Data Center Solutions company. The company Services are provided to government and enterprises. It provides a wide array of data center services to meet the strategic and operational requirements of it customers especially those seeking mission critical, secure environments. The headquarters is in USA.

Corporate Office Properties Trust has changed its name to COPT Defense Properties with effective from Sep-15-2023.

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.

Viela Bio is a Biotechnology company. It is dedicated to the development and commercialization of novel, life changing medicines for patients with a wide range of autoimmune and severe inflammatory diseases. The headquarters is in USA.

Horizon Therapeutics acquired Viela Bio in 2021 for 3 billion USD.