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Companies Headquartered in Maryland

Maryland has long been a hub for business. Its proximity to Washington DC makes it attractive for businesses that thrive on government contracts, particularly the defense sector. Maryland’s proximity to the sea—and location midway up the Atlantic shore—makes it a hub for the transporation of goods, or the seagoing vessels that move them.

Our list of companies headquartered in Maryland is drawn from the Fortune 1000, Inc. 5000, and other sources. The result? Nearly 100 Maryland companies that lead a vibrant business community.

List of Companies Headquartered in Maryland

AdvisorShares

Headquartered in Bethesda

AGV Sports Group

Headquartered in Buckeystown

Allegis Group

Headquartered in Hanover

Amelex

Headquartered in California

American Capital

Headquartered in Bethesda

Aquilent

Headquartered in Laurel

Arxan Technologies

Headquartered in Bethesda

Balducci’s

Headquartered in Bethesda


black and decker logo
Black & Decker

Headquartered in Towson

A leading Maryland employer providing jobs to some 22,000 residents, Black & Decker manufactures and sells more than $6 billion of power tools and other hardware around the world.

 


Blackstreet Capital Management

Headquartered in Chevy Chase

Bozzuto Group

Headquartered in Greenbelt

CallTrackingMetrics

Headquartered in Severna Park

CareFirst

Headquartered in Owings Mills

Chesapeake Shipbuilding

Headquartered in Salisbury

Choice Hotels

Headquartered in Rockville

Choptank Electric Cooperative

Headquartered in Denton


ciena corporation logoCiena Corporation

Headquartered in Hanover

Perhaps unknown to some, Ciena Corporation ranks 854th among the Fortune 1000. The company offers telecommunications networking equipment, software, and services.


ClearShark

Headquartered in Hanover


colfax-corporationColfax Corporation

Headquartered in Annapolis Junction

Colfax is another relatively unknown giant—a specialty fluids handling manufacturer that ranks among the top 600 in the Fortune 1000 (596 in 2016).


Connections Academy

Headquartered in Baltimore

Constellation Energy Group

Headquartered in Baltimore

Coventry Health Care

Headquartered in Bethesda

Cutts & Case Shipyard

Headquartered in Oxford

Development Alternatives Incorporated

Headquartered in Bethesda

Digital Management, Inc.

Headquartered in Bethesda


discovery-communications-logoDiscovery Communications

Headquartered in Silver Spring

Parent company of the Discovery Channel, Animal Planet, and TLC, Discovery Communications ranks 406th among the Fortune 500. In all, the company controls 50 media brands and employs 7,000.


District Photo

Headquartered in Beltsville

e4e Inc

Headquartered in Towson

GEICO

Headquartered in Chevy Chase

GenVec

Headquartered in Gaithersburg

Giant Food Inc.

Headquartered in Landover


goodwill industries logoGoodwill Industries

Headquartered in Rockville

The non-profit Goodwill Industries started in 1902 and has expanded to 17 countries with more than $5.3 billion in annual revenue. Its stores provide employment for some 318,000 people.


GP Strategies Corporation

Headquartered in Columbia

Greater Baltimore Medical Center

Headquartered in Baltimore

Greenbranch Publishing

Headquartered in Phoenix

Host Hotels & Resorts

Headquartered in Bethesda

Inifiniti HR

Headquartered in Burtonsville

ISE America

Headquartered in Galena

Jerry’s Subs & Pizza

Headquartered in Gaithersburg


johns hopkins logoJohns Hopkins Medical Institutions

Headquartered in Baltimore

One of the world’s leading health-care providers, the $8 billion Johns Hopkins Medical Institutions include six academic and community hospitals as well as dozens of surgery centers and outpatient sites. U.S. News & World Report has ranked the flagship hospital as the best in the country 22 times.


JoS. A. Bank Clothiers

Headquartered in Baltimore

Ledo Pizza

Headquartered in Adelphi

Legg Mason

Headquartered in Baltimore

LibLime

Headquartered in North Bethesda

LifeBridge Health

Headquartered in Baltimore


lockheed martin logoLockheed Martin Corporation

Headquartered in Bethesda

Lockheed Martin is the largest Maryland-based company, ranking 60th on the Fortune 500 list. Annual revenue for the defense and aerospace contractor tops $46 billion.


London Fog

Headquartered in Baltimore

LWRC International

Headquartered in Cambridge

M3D

Headquartered in Fulton

Magellan Health Services

Headquartered in Columbia

MailerMailer

Headquartered in Rockville

Marquee Broadcasting

Headquartered in Salisbury


marriott logoMarriott International

Headquartered in Bethesda

Among the Fortune 200, Marriott International operates more than 5,700 properities in 110 countries—a majority of the world’s nations. In all, the hotel chain offers 1.2 million rooms to guests each night.


McCormick & Company, Incorporated

Headquartered in Sparks

McShane Bell Foundry

Headquartered in Glen Burnie

MedImmune

Headquartered in Gaithersburg


medstar-health-logoMedStar Health

Headquartered in Columbia

Like other populous states, Maryland has its fair share of large-scale health-care providers. MedStar Health is no exception, employing some 22,000 people at dozens of facilities throughout Maryland.


Mercantile Bankshares Corp.

Headquartered in Baltimore

Micros Systems Inc.

Headquartered in Columbia

Millennial Media

Headquartered in Baltimore

Monumental Vending

Headquartered in Beltsville

Netcordia

Headquartered in Annapolis

Novavax

Headquartered in Gaithersburg

Omni International Jet Trading

Headquartered in Easton

Paice

Headquartered in Balitmore

Perdue Farms

Headquartered in Salisbury


piedmont airlines logoPiedmont Airlines

Headquartered in Salisbury

While major air carriers operate long-haul and internatinal flights, many of the connecting flights are operated by smaller carriers—like Piedmont Airlines. Piedmont Airlines operates American Eagle flights to 47 destinations and is a wholly owned subsidiary of American Airlines.


PRS Guitars

Headquartered in Stevensville

Radio One

Headquartered in Silver Spring

Raxco Software

Headquartered in Gaithersburg

Recorded Books

Headquartered in Prince Frederick

RLJ Companies

Headquartered in Bethesda

Roy Rogers Restaurants

Headquartered in Frederick

Salsa Labs

Headquartered in Bethesda

Sapio Sciences

Headquartered in Baltimore

Sharp Water

Headquartered in Salisbury

Shoppers Food & Pharmacy

Headquartered in Lanham

Sinclair Broadcast Group

Headquartered in Hunt Valley

Sylvan Learning

Headquartered in Baltimore

Solar Energy World

Headquartered in Elkridge

Southern Maryland Electric Cooperative

Headquartered in Hughesville

STX

Headquartered in Balitmore


t rowe price logoT. Rowe Price Group

Headquartered in Baltimore

Falling just outside the Fortune 500, T. Rowe Price manages nearly $800 billion in assets and employees some 4,200 to manage the funds entrusted to the investment firm, which was founded in 1937.


Tapout

Headquartered in Baltimore

Temple Allen Industries

Headquartered in Rockville

The Ritz-Carlton Hotel Company

Headquartered in Chevy Chase

The Rouse Co.

Headquartered in Columbia

Total Wine & More

Headquartered in Bethesda

Transamerica Corporation

Headquartered in Baltimore


under armour logoUnder Armour

Headquartered in Baltimore

Challenging athletic apparel giants such as Nike and Adidas isn’t easy, but Under Armour has done it. In just 20 years, Under Armour has grown to generate nearly $4 billion in annual revenue and employees 11,000.


United States Enrichment Corporation

Headquartered in Bethesda

University of Maryland Medical System

Headquartered in Baltimore

W.R. Grace & Co.

Headquartered in Columbia

Webs

Headquartered in Silver Spring

Westat

Headquartered in Rockville

ZeniMax Media

Headquartered in Rockville

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