Companies that make us MoCo Proud

Hundreds of companies in many key industries call Montgomery County their home. Listed here are just some of the companies with Hundreds of companies in key areas across industries call Montgomery County home. Listed here are just some of the many businesses with headquarters or significant  work places in MoCo – this includes 115 corporate headquarters that have 100 more employees. The incredible talent pool, federal presence, global access from three international airports and abundant resources provide the infrastructure to support emerging and established companies. Let our team help you explore ways to join our growing list of companies and find success in Montgomery County.  

18 Federal Agencies Headquartered in Montgomery County

Montgomery County is home to major Federal agency headquarters, numerous satellite offices of Federal agencies, major educational institutions and support organizations.

DOE: The Department of Energy is a Germantown facility that sets policies regarding energy and safety in handling nuclear material

CIT: The Center for Information Technology provides, coordinates, and manages information technology and advances computational science, and part of NIH

CPSC: A state-of-the-art facility that helps meet the county's need for a highly skilled workforce with STEM (science, technology, engineering and math) skills. The 145,000 square-foot building is a cornerstone of the growing life sciences park

CVM: The Center for Veterinary Medicine regulates the manufacture and distribution of food additives and drugs that will be given to animals

FDA: The Food and Drug Administration is responsible for protecting the public health by ensuring the safety, efficacy, and security of human and veterinary drugs, biological products, and medical devices

HHS: The U.S. Department of Health & Human Services enhances and protects the health and well-being of all Americans by providing effective health and human services and fostering advances in medicine, public health, and social services

IBBR: The Institute for Bioscience & Biotechnology Research fosters integrated, cross-disciplinary team approaches to scientific discovery, translational development and education

NCCOE: National Cybersecurity Center of Excellence, a part of NIST, is a collaborative hub where industry organizations, government agencies, and academic institutions work together to address businesses' most pressing cybersecurity issues

NCCAM: The National Center for Complementary and Alternative Medicine is the Federal Government's lead agency for scientific research on complementary and alternative medicine and part of NIH

NCI: The National Cancer Institute is the Federal Government's principal agency for cancer research and training, and part of NIH

NCATS: The National Center for Advancing Translational Sciences was established to transform and accelerate the translational research process, and getting treatment more quickly to patients

NHGRI: The National Human Genome Research Institute led the NIH’s contribution to the International Human Genome Project, which had as its primary goal the sequencing of the human genome

NIAMS: The National Institute of Arthritis and Musculoskeletal and Skin Diseases, part of NIH, supports research into the causes, treatment, and prevention of arthritis and musculoskeletal skin diseases

NIH: The National Institutes of Health in Bethesda is the largest public funder of biomedical research in the world, investing more than $30 billion in taxpayer dollars to achieve its mission to enhance health, lengthen life, and reduce illness and disability. It is comprised of 27 Institutes and Centers, including Fogarty International Center (FIC), National Eye Institute (NEI), National Institute of Allergy and Infectious Diseases (NIAID) and National Institute of Biomedical Imaging and Bioengineering (NIBIB)

NIST: The National Institute of Standards and Technology is part of the Department of Commerce and one of the nation's oldest physical science labs. Smart power grids, electronic health records, computer chips and many other national assets rely on the work of NIST

NOAA: The National Oceanic and Atmospheric Administration enriches life through science, from daily weather forecasts, severe storm warnings, and climate monitoring to fisheries management, coastal restoration and supporting marine commerce

NRC: The U.S. Nuclear Regulatory Commission ensures the safety of radioactive materials while protecting people and the environment. Regulates commercial nuclear power plants and other uses of nuclear materials through licensing, inspection and enforcement

VHA: The Veterans Health Administration is the largest integrated health care system in the U.S., providing care at 1,243 health care facilities, including 170 VA Medical Centers and 1,063 outpatient sites and serving more than 9 million enrolled Veterans each year

Key Industries


Bell Nursery, Burtonsville

Brookeville Beer Farm, Brookeville

Butlers Orchard, Germantown

Cherry Glen Goat Cheese, Co., Boyds

Chocolates and Tomatoes Farm, Germantown

Comus Market, Dickerson

One Acre Farm, Boyds

Rock Hill Orchard, Mt. Airy

Rocklands Farm, Poolesville

Smokey Glen Farms, Gaithersburg


Adaptive Phage Therapeutics, Inc., Gaithersburg 

Aeras, Rockville

American Gene Technologies International, Inc., Rockville

AstraZeneca, Gaithersburg

BioHealth Innovation Inc., Rockville

Bioqual, Rockville

BioReliance, Rockville

Emergent BioSolutions, Gaithersburg

Facility Logix, Burtonsville

GeneDx, Gaithersburg

GlaxoSmithKline, Rockville

Macrogenics, Rockville

MagBio Genomics, Gaithersburg

Meso Scale Diagnostics, Rockville

Novavax, Gaithersburg

OMV Medical, Takoma Park

Qiagen (North American HQ), Germantown

United Therapeutics, Silver Spring

US Pharmacopeia, Rockville


202 Partners, LLC, Rockville

3 Territory Solutions

3e Technologies International

7 River Systems, Montgomery Village

A Square Group, Rockville

A1 Logic

A&T Systems, Inc., Silver Spring

Abacus Technologies Corp., Chevy Chase

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MoCo Industries

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Ultra Electronics 3eTI, Rockville


Code Partners, Bethesda

J Craig Venter Institute, Rockville

Kids After Hours, Silver Spring

Landon School, Bethesda

Montgomery College, Rockville

Montgomery County Public Schools, Rockville

The Universities at Shady Grove, Rockville


Patton Electronics, Gaithersburg

Thales Defense & Security, Inc., Clarksburg


A. Morton Thomas and Associates, Inc., Rockville

MHG, Montgomery Village


AFI Silver Theatre and Cultural Center, Silver Spring

Bethesda Blues & Jazz Supper Club, Bethesda

BlackRock Center for the Arts, Germantown

The Fillmore Silver Spring, Silver Spring

Imagination Stage, Bethesda

Maryland SoccerPlex, Boyds

The Music Center at Strathmore, North Bethesda

TV One, Silver Spring

Zenimax Media, Rockville

Financial Services

American Capital Strategies, Inc., Bethesda

Arbor View Capital, Chevy Chase

Bridgewater Wealth, Bethesda

The Calvert Group, Bethesda

Eagle Bancorp, Inc., Bethesda

Collins Investment Group, Bethesda

Colombo Bank, Rockville

Congressional Bank, Bethesda

Damascus Community Bank, Damascus

Global Environment Fund, Bethesda

Homespire Mortgage, Gaithersburg

Kendall Capital, Rockville

Kinetic Ventures, Chevy Chase

Lafayette Federal Credit Union Headquarters, Kensington

Maya Financial Group, Inc., Silver Spring

MidAtlantic Federal Credit Union, Germantown

Montgomery County Employees Federal Credit Union, Germantown

NIH FCU, Rockville

Primerica Financial Services, Gaithersburg

Sandy Spring Bank, Olney

Trustworthy Mortgage Group, Rockville

Wealth Advisors Group LLC, Bethesda

Government Contracting

ABT Associates, Bethesda

BarnAllen Technologies, Rockville

ISN, Bethesda

Ripple Effect Communications, Rockville

SoundWay, Silver Spring

TISTA Science and Technology, Rockville,

Vysnova Partners, Bethesda

Graphic design

DSA Designs, Inc., Kensington


B.F. Saul Insurance, Bethesda

Coventry Health Care, Bethesda

GEICO, Chevy Chase

Janitorial Services

Briitos Maids Services LLC, Gaithersburg

Gali Service Industries, Rockville

Potomac Minute Maids, Rockville

Red Coats, Inc., Bethesda


McFall and Berry Landscape Mgt, Brookeville

Ruppert Landscape, Laytonsville


Lerch, Early & Brewer, Bethesda

Paley Rothman, Bethesda

Shulman Rogers, Potomac

Torrence Law Office, LLC, Rockville

Real Estate & Construction

Avendra, LLC, Rockville

B.F Saul Company Hotel Division, Bethesda

CapStar Commercial Realty, Gaithersburg

CAPREIT, Rockville

Clark Construction Group, Bethesda

Coakley and Williams Construction, Bethesda

Community Pool Management, Rockville

Concrete General, Inc., Gaithersburg

Department of Permitting Services, Rockville

The Donohoe Companies, Inc., Bethesda

Federal Realty Investment Trust, Rockville

First-Potomac Realty Trust, Bethesda

Forrester Construction Company, Rockville

Foulger-Pratt Management, Rockville

Francis O Day Co, Rockville

Grunley Construction Co., Inc., Rockville

Highway and Safety Services, Inc., Gaithersburg

Homesnap, Rockville

JBG Companies, Chevy Chase

Kay Apartment Communities, Silver Spring

Kirlin Group, Rockville

Lerner Companies, Rockville

Manders Decorating Company, Silver Spring

MarketPro South, Rockville

Miller and Long, Bethesda

Pleasants Construction (Core Commercial), Clarksburg

Shapiro and Duncan, Rockville

Singleton Electric Co, Gaithersburg


The Atlas Agency, Bethesda

Elite Personnel, Bethesda

WorkSource Montgomery, Rockville


EurekaFacts, Rockville

Social & Scientific Systems, Silver Spring


Balducci’s, Bethesda

Black Lion Coffee, Rockville

Criswell Chevrolet, Gaithersburg

Denizens Brewing Co., Silver Spring

Mariam, Inc. (dba DARCARS), Silver Spring

Uber Bazaar, Germantown


Atlantech Online, Inc, Silver Spring

Hughes Communications, Germantown


RMA Worldwide Chauffeured Transportation, Rockville

Travel Services

Europ Assistance USA, Bethesda

Wholesale & Distribution

Boland Trane Services, Inc., Gaithersburg

Century Distributors, Rockville


Certified Building Services, Inc., Derwood

Capitol Pest, Bethesda

Spectrum Printing & Graphics, Rockville

The Gilders' Studio, Inc., Olney 

True Respite Brewing Company, Rockville