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.  

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Aeras, Rockville

Bioqual, Rockville

BioReliance, Rockville

Emergent BioSolutions, Gaithersburg

GeneDx, Gaithersburg

Macrogenics, Rockville

MagBio Genomics, Gaithersburg

MedImmune, Gaithersburg

Meso Scale Diagnostics, Rockville

Novavax, Gaithersburg

OMV Medical, Takoma Park

Qiagen (North American HQ), Germantown

United Therapeutics, Silver Spring

US Pharmacopeia, Rockville

Business Services

Aronson & Company, Rockville

Development Alternatives Inc. (DAI), Bethesda

DMedia Associates, Potomac

Elite Personnel, Bethesda

INFINITI HR, Burtsonsville

Next Day Dumpsters, Potomac

Retail Services and Systems (d/b/a Total Wine and More), Potomac

Rockhammer Talent Solutions, Olney


Anne Boyle Consulting, Silver Spring

Athena Consulting, Germantown

The Farrar Consulting Group, Montgomery Village

Technical Resources International, Inc., Bethesda

Webb Property Services, LLC, Rockville

Westat, Rockville


AFI Silver Theater, Silver Spring

BlackRock Center for the Arts, Germantown

The Fillmore, Silver Spring

The Music Center at Strathmore, Bethesda

Olney Theatre Center, Olney


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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[43]: http://Data Protection Advisors


Ultra Electronics 3eTI, Rockville


J Craig Venter Institute, Rockville

Kids After Hours, Silver Spring

Landon School, Bethesda


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

Discovery Communications, Silver Spring

The Fillmore Silver Spring, Silver Spring

Imagination Stage, Bethesda

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


Adventist Healthcare, Inc., Rockville and Gaithersburg

Danya International, Silver Spring

Henry M Jackson Foundation For the Advancement of Military Medicine, Rockville

Holy Cross Hospital, Silver Spring

Kaiser Permanente of the Mid-Atlantic States, Rockville

Managed Care Advisors, Bethesda

Mindoula, Silver Spring

Suburban Hospital, Bethesda

Vigene Biosciences, Rockville


Bethesda North Marriott Hotel & Conference Center, Rockville

BF Saul, Bethesda

The Bolger Center, Potomac

Choice Hotels International, Inc., Rockville

DiamondRock Hospitality, Bethesda

Hospitality Partners, Bethesda

Host Hotels & Resorts, Inc., Bethesda

LaSalle Hotel Properties, Bethesda

Marriott International, Bethesda

Montgomery County Parks Lodges and Venues, various

Pebblebrook Hotel Trust, Bethesda

Ridgewell’s, Inc., Bethesda

The Ritz-Carlton Hotel Company, Chevy Chase

RLJ Lodging Trust, Bethesda

Sodexo (North American HQ), Gaithersburg

Information Technology

BarnAllen Technologies, Rockville

Broadsoft, Inc., Gaithersburg

CNSI, Rockville

Credible Behavioral Health, Rockville

Dataprise, Inc., Rockville

Digital Management (DMI), Bethesda

The Emmes Corporation, Rockville

Global Exchange Services (GXS), Gaithersburg

HORUS Technology Solutions, Rockville

IMSG, Rockville

InfoZen, Bethesda

Infosys Public Services, Rockville

Intelligent Automation, Rockville

Iq Solutions, Inc., Rockville

JBS International, N. Bethesda

JTEK Data Solutions, Bethesda

Leidos, Gaithersburg

Lockheed Martin Headquarters, Bethesda

RainKing Solutions, Bethesda

Precise Software Solutions, Rockville

Social & Scientific Systems, Inc., Silver Spring

Synergy Enterprises, Silver Spring

Terrapin Systems, Rockville

WeddingWire, Chevy Chase


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


Access Intelligence LLC, Rockville

AERAS, Rockville

Heraeus Noblelight, Gaithersburg

Patton Electronics, Gaithersburg

Roberts Oxygen, Rockville

Saint-Gobain Performance Plastics, Gaithersburg 


American Nurses Association, Silver Spring

American Society of Health-System Pharmacists, Bethesda

Cystic Fibrosis Foundation, Bethesda

Gaithersburg HELP, Inc., Gaithersburg

Howard Hughes Medical Institute (HHMI), Chevy Chase

SEEC, Rockville

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Real Estate & Construction

Avendra, LLC, Rockville

B.F Saul Company Hotel Division, Bethesda

CapStar Commercial Realty, Gaithersburg

Clark Construction Group, Bethesda

Coakley and Williams Construction, Bethesda

Community Pool Management, Rockville

Concrete General, Inc., Gaithersburg

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


Balducci’s, Bethesda

Criswell Chevrolet, Gaithersburg

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