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  7. Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory logo

Johns Hopkins University Applied Physics Laboratory

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Laurel, MD 20723
240-228-5000
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At a glance

Employee size
5,001-10,000
Organization type
Nonprofit
Headquarters
Laurel, MD

About

Founded in 1942 as a wartime research effort, Johns Hopkins University Applied Physics Laboratory is a not-for-profit university-affiliated research center known for turning difficult national challenges into working technology. From its Laurel campus, APL serves government sponsors through independent research and practical technical expertise, with a particular role in strengthening national security and advancing space exploration.

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Contact information

Website

jhuapl.edu

Emails

  • APLPublicAffairs@jhuapl.edu
  • research@jhuapl.edu

Phone numbers

  • 240-228-5000
  • 240-228-7836

Social

Locations

Johns Hopkins University Applied Physics Laboratory location map for 11100 JOHNS HOPKINS RD

11100 Johns Hopkins Rd

Laurel, MD 20723

Howard County

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Johns Hopkins University Applied Physics Laboratory location map for 46579 EXPEDITION DR

46579 Expedition Dr

Lexington Park, MD 20653

St. Mary's County

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Johns Hopkins University Applied Physics Laboratory location map for 9055 GUILFORD RD

9055 Guilford Rd

Columbia, MD

Howard County

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Johns Hopkins University Applied Physics Laboratory location map for 7705 MONTPELIER RD

7705 Montpelier Rd

Laurel, MD 20723

Howard County

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Johns Hopkins University Applied Physics Laboratory location map for 11101 JOHNS HOPKINS RD

11101 Johns Hopkins Rd

Laurel, MD 20723

Howard County

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Directory source

Source
jhuapl.edu
Updated
Sep 2026