Best fortune 500 companies in Frederick, MD

Leidos is an American defense company headquartered in Reston, Virginia that provides scientific, engineering, systems integration, and technical services. Known throughout the industry for maintaining the highest standards of integrity and ethical behavior, Leidos works extensively with the United States Department of Defense, the United States Department of Homeland Security, and the United States Intelligence Community, including the NSA, as well as other US government civil agencies and selected commercial markets.

General Dynamics Corporation is an American publicly traded, aerospace and defense corporation headquartered in Reston, Virginia.

Wells Fargo & Company is a community-based financial services company that provides banking, investment and mortgage products and services, as well as consumer and commercial finance. The company has about 263,000 team members in 38 countries and serves one in three households in the United States. Well Fargo was founded in 1852 and is headquartered in San Francisco.

Thermo Fisher Scientific Inc. (NYSE: TMO) is the world leader in serving science. Their mission is to enable their customers to make the world healthier, cleaner and safer. With revenues of more than $10 billion, they have approximately 35,000 employees and serve customers within pharmaceutical and biotech companies, hospitals and clinical diagnostic labs, universities, research institutions and government agencies, as well as in environmental and process control industries. They create value for their key stakeholders through two premier brands, Thermo Scientific and Fisher Scientific, which offer a unique combination of continuous technology development and the most convenient purchasing options. Their products and services help accelerate the pace of scientific discovery, and solve analytical challenges ranging from complex research to routine testing to field applications.

SV Microwave is a world leader in the RF/Microwave industry. It designs and manufactures RF/Microwave coaxial connectors, cable assemblies and passive components that are used in military, aerospace and commercial applications. SV Microwave was acquired by Amphenol Corporation in May of 2005. The company was founded in 1960 and is based in West Palm Beach, Florida.

Gilead Sciences, Inc. is a research-based biopharmaceutical company focused on the discovery, development, and commercialization of innovative medicines.

Northwestern Mutual has been helping people and businesses achieve financial security for more than 160 years. Through a holistic planning approach, Northwestern Mutual combines the expertise of its financial professionals with a personalized digital experience and industry-leading products to help its clients plan for what's most important. Northwestern Mutual delivers financial security to millions with life, disability income and long-term care insurance, annuities, and brokerage and advisory services. The company manages billion of dollars of investments owned by its clients and held or managed through its wealth management and investment services businesses. Northwestern Mutual is the marketing name for The Northwestern Mutual Life Insurance Company (NM), Milwaukee, WI (life and disability insurance, annuities, and life insurance with long-term care benefits) and its subsidiaries. Subsidiaries include Northwestern Mutual Investment Services, LLC (NMIS) (securities), broker-dealer, registered investment adviser, member FINRA and SIPC; the Northwestern Mutual Wealth Management Company (NMWMC) (fiduciary and fee-based financial planning services), federal savings bank; and Northwestern Long Term Care Insurance Company (NLTC) (long-term care insurance).

Tenet Healthcare Corporation is a diversified healthcare services company with 115,000 employees united around a common mission: to help people live happier, healthier lives. Through its subsidiaries, partnerships and joint ventures, including United Surgical Partners International, this company operates general acute care and specialty hospitals, ambulatory surgery centers, urgent care centers and other outpatient facilities.

Rite Aid improves the health and wellness of the communities through engaging experiences that provide customers with products, services, and advice to meet their unique needs.

Republic Services is an American waste disposal company whose services include non-hazardous solid waste collection, waste transfer, and waste disposal, recycling, and energy services.