Best fortune 500 companies in Rockville, MD

Lockheed Martin Corporation is a global security company engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems and products. It also provides a range of management, engineering, technical, scientific, logistic, and information services. The Company operates in four business segments: Aeronautics, Electronic Systems, Information Systems & Global Services, and Space Systems. Lockheed Martin was formed in 1995 from the merger of Lockheed Corporation and Martin Marietta. In September 2008, Lockheed Martin Corporation acquired Aculight Corporation. In January 2009, it completed its acquisition of Universal Systems & Technology, Inc. (UNITECH). In August 2009, it completed its acquisition of Gyrocam Systems LLC (Gyrocam). Gyrocam develops and supplies gyrostabilized optical surveillance systems and sustainment field services, principally to the United States military. Lockheed Martin Missiles and Fire Control, a unit of the Company's Electronic Systems business area, would manage the Gyrocam business.

Automatic Data Processing, Inc. is an American provider of human resources management software and services.

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.

Owens-Illinois, Inc. is a glass container manufacturer. The Company is also a preferred partner for various food and beverage brands. It provides glass packaging for beer, wine, spirits, food, non-alcoholic beverages, cosmetics and pharmaceuticals. It also produces tableware and stemware for household use. The Company manufactures glass containers in a range of sizes, shapes and colors. It has 77 glass manufacturing plants in 21 countries. The Company has four reportable segments based on its geographic locations: Europe, North America, South America and Asia Pacific. Its customers include Anheuser-Busch InBev, Brown Forman, Carlsberg, Coca-Cola, Constellation, Diageo, Heineken, Kirin, MillerCoors, Nestle, PepsiCo, Pernod Ricard, SABMiller, and Saxco International. The Company has 35 glass container manufacturing plants located in the Czech Republic, Estonia, France, Germany, Hungary, Italy, the Netherlands, Poland, Spain and the United Kingdom

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.

Davita provides quality kidney care. When you or a loved one has kidney failure, it's important to know every treatment option. One of them is a kidney transplant. From finding a match to taking care of a new kidney, get to know more about kidney transplants at Davita.

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).

Gap Inc. is a global fashion business with five brands -- Gap, Banana Republic, Old Navy, Athleta and Intermix. The first Gap store was opened in 1969, now Gap has 3,300 company-operated stores, almost 400 franchise stores, and e-commerce sites, and its clothes are available in 90 countries worldwide. The company has more than 150,000 employees.

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.

Founded in 1912, Fluor Corporation (NYSE: FLR) is a global engineering, procurement, fabrication, construction and maintenance company that transforms the world by building prosperity and empowering progress. With its integrated solutions approach, Fluor serves its clients by designing, building and maintaining safe, well executed, capital-efficient projects around the world. With headquarters in Irving, Texas, Fluor ranks 153 on the Fortune 500 list with revenue of $19.2 billion in 2018 and has more than 53,000 employees worldwide.

Aramark (NYSE: ARMK) is in the customer service business across food, facilities and uniforms, wherever people work, learn, recover, and play. United by a passion to serve, our 270,000 team members deliver experiences that enrich and nourish the lives of millions of people in 19 countries around the world every day.