The Johns Hopkins University Applied Physics Laboratory is a not-for-profit research and development organization dedicated to solving a wide range of complex problems. APL has provided solutions to national security and scientific challenges with engineering, systems integration, research and development, and analysis for more than 70 years. APL is our nation’s largest University Affiliated Research Center, with approximately 5,000 staff members and 600 ongoing sponsored research projects. Our scientists, engineers and analysts serve as trusted advisors and technical experts to the government, ensuring the reliability of complex technologies that safeguard our nation’s security and advance the frontiers of space. 


  • APL Building 200 is LEED Gold certified. 
  • Minimum LEED Silver equivalent building standard for all new construction and building renovations.