Loudoun County is home to businesses of all sizes. The Howard Huges Janelia Farms research campus, United Airllines and Rockwell Collins are just some of the companies that employ between 100 and 499 people.
| Employer | Industry | Range |
|---|---|---|
| SMX | Administrative and Support and Waste Management and Remediation Services | 250 - 499 |
| G4S Secure Solutions | Administrative and Support and Waste Management and Remediation Services | 250 - 499 |
| Alliedbarton Security | Administrative and Support and Waste Management and Remediation Services | 250 - 499 |
| Ashby Ponds | Health Care and Social Assistance | 250 - 499 |
| REI Systems Inc | Professional, Scientific, and Technical Services | 250 - 499 |
| Continental Airlines | Transportation and Warehousing | 250 - 499 |
| Mastec Services Company | Construction | 250 - 499 |
| Topgolf | Arts, Entertainment, and Recreation | 250 - 499 |
| Mesa Airlines Inc | Transportation and Warehousing | 250 - 499 |
| National Electronics Warr Corp | Finance and Insurance | 250 - 499 |
| Prospect Waterproofing | Construction | 250 - 499 |
| Baker DC | Construction | 250 - 499 |
| Destination Leesburg | Accommodation and Food Services | 250 - 499 |
| U.S. Department of the Interior | Public Administration | 250 - 499 |
| Enterprise Rac Co Of Md | Real Estate and Rental and Leasing | 250 - 499 |
| Airline Tariff Publishing | Information | 250 - 499 |
| Salamander Resort Employer | Accommodation and Food Services | 250 - 499 |
| George Washington University | Educational Services | 250 - 499 |
| W.E. Bowers & Associates | Construction | 250 - 499 |
| Rosendin Electric Inc | Construction | 250 - 499 |
| Six3 Advanced Systems Inc | Professional, Scientific, and Technical Services | 250 - 499 |
| Nalc Hbp | Finance and Insurance | 250 - 499 |
| Sky Chefs Inc | Accommodation and Food Services | 250 - 499 |
| Viasystems Technologies | Manufacturing | 250 - 499 |
| Reston Limousine & Travel Inc | Transportation and Warehousing | 250 - 499 |
| K2M Inc | Manufacturing | 250 - 499 |
| Hunt Leigh Usa Corp | Transportation and Warehousing | 250 - 499 |
| Air Force Retired Officer | Health Care and Social Assistance | 250 - 499 |
| Christos Building Services, In | Administrative and Support and Waste Management and Remediation Services | 250 - 499 |
| Adp Totalsource Co Xxiii Inc | Professional, Scientific, and Technical Services | 250 - 499 |
| Southland Industries Of V | Construction | 250 - 499 |
| Lowers Risk Group Llc | Administrative and Support and Waste Management and Remediation Services | 250 - 499 |
| Federal Express Corp | Transportation and Warehousing | 250 - 499 |
| Food Lion | Retail Trade | 250 - 499 |
| Inovant | Finance and Insurance | 250 - 499 |
| Fci Federal Inc | Administrative and Support and Waste Management and Remediation Services | 250 - 499 |
| Meadows Farms Inc | Administrative and Support and Waste Management and Remediation Services | 250 - 499 |
| Loudoun Co Sanitation Authority | Utilities | 250 - 499 |
| Northern Virginia Community | Health Care and Social Assistance | 250 - 499 |
| Patrick Henry College | Educational Services | 250 - 499 |
| Insperity Peo Services L P | Real Estate and Rental and Leasing | 250 - 499 |
| Forfeiture Support Associ | Administrative and Support and Waste Management and Remediation Services | 250 - 499 |
| Ltf Club Management Co | Arts, Entertainment, and Recreation | 250 - 499 |
| Carmax Auto Superstores Inc | Retail Trade | 250 - 499 |
| Cooper's Hawk Inter Hold | Accommodation and Food Services | 250 - 499 |
| Panera Bread | Accommodation and Food Services | 250 - 499 |
| Southland Concrete Corp | Construction | 250 - 499 |
| Jetblue Airways | Transportation and Warehousing | 100 - 249 |
| B F Saul Property Company | Accommodation and Food Services | 100 - 249 |
| Ncc Ee Llc | Accommodation and Food Services | 100 - 249 |
| Hamplain Enterprises Inc | Transportation and Warehousing | 100 - 249 |
| Nordstrom Inc | Retail Trade | 100 - 249 |
| Safeway | Retail Trade | 100 - 249 |
| National Rural Utilities | Finance and Insurance | 100 - 249 |
| Starbucks Corp | Accommodation and Food Services | 100 - 249 |
| Host International Inc | Accommodation and Food Services | 100 - 249 |
| Domino's Pizza | Accommodation and Food Services | 100 - 249 |
| LM Operations Support | Professional, Scientific, and Technical Services | 100 - 249 |
| R B Hinkle Construction Inc | Construction | 100 - 249 |
| Chapel Valley Landscape Co | Administrative and Support and Waste Management and Remediation Services | 100 - 249 |
| Minnieland Private Day Sc Inc | Health Care and Social Assistance | 100 - 249 |
| Pro Football Inc | Arts, Entertainment, and Recreation | 100 - 249 |
| Mindshift Technologies Inc | Professional, Scientific, and Technical Services | 100 - 249 |
| Rockwell Collins | Professional, Scientific, and Technical Services | 100 - 249 |
| Telos | Professional, Scientific, and Technical Services | 100 - 249 |
| Trump National Golf Club | Arts, Entertainment, and Recreation | 100 - 249 |
| BAE Systems | Professional, Scientific, and Technical Services | 100 - 249 |
| Healthsouth Rehabilitation | Health Care and Social Assistance | 100 - 249 |
| Knowledge Universe | Health Care and Social Assistance | 100 - 249 |
| Duty Free Americas | Retail Trade | 100 - 249 |
| Best Buy Stores | Retail Trade | 100 - 249 |
| Catholic Diocese Arlington | Educational Services | 100 - 249 |
| Clyde Broadland Inc | Accommodation and Food Services | 100 - 249 |
| Creative Hairdressers Inc | Other Services (except Public Administration) | 100 - 249 |
| Dicks Sporting Goods Inc | Retail Trade | 100 - 249 |
| Lowes Home Centers Inc | Retail Trade | 100 - 249 |
| Carpathia Hosting Inc | Information | 100 - 249 |
| Trans States Airlines Llc | Transportation and Warehousing | 100 - 249 |
| May Department Stores Co | Retail Trade | 100 - 249 |
| Kohl Corporation | Retail Trade | 100 - 249 |
| Je Richards Inc | Construction | 100 - 249 |
| Thomas A Moorehead Inc | Retail Trade | 100 - 249 |
| Amazon | Information | 100 - 249 |
| Heritage Hall Health Care | Health Care and Social Assistance | 100 - 249 |
| Harmon Contracting | Construction | 100 - 249 |
| Kaiser Foundation Health | Health Care and Social Assistance | 100 - 249 |
| Psychiatric Solutions | Health Care and Social Assistance | 100 - 249 |
| Whole Foods Market | Retail Trade | 100 - 249 |
| Papa Johns | Accommodation and Food Services | 100 - 249 |
| Intelligent Decisions Inc | Wholesale Trade | 100 - 249 |
| Heritage Landscape Service | Administrative and Support and Waste Management and Remediation Services | 100 - 249 |
| Mini Skools Early Learning | Health Care and Social Assistance | 100 - 249 |
| Team Velocity Marketing Llc | Professional, Scientific, and Technical Services | 100 - 249 |
| Compusearch Software | Professional, Scientific, and Technical Services | 100 - 249 |
| G & D America Inc | Management of Companies and Enterprises | 100 - 249 |
| Beckstrom Electric | Construction | 100 - 249 |
| Ex Zel Janitorial Service Inc | Administrative and Support and Waste Management and Remediation Services | 100 - 249 |
| Sunoco Inc | Retail Trade | 100 - 249 |
| Chuy'S Opco, Inc. | Accommodation and Food Services | 100 - 249 |
| SpringHill Suites | Accommodation and Food Services | 100 - 249 |
| Community Landscape Services | Administrative and Support and Waste Management and Remediation Services | 100 - 249 |
| Gmri Inc | Accommodation and Food Services | 100 - 249 |
| Sport & Health | Arts, Entertainment, and Recreation | 100 - 249 |
| Belfort Furniture | Retail Trade | 100 - 249 |
| Wendy's | Accommodation and Food Services | 100 - 249 |
| Andrew Corporation | Professional, Scientific, and Technical Services | 100 - 249 |
| Arthur Construction Co, Inc | Construction | 100 - 249 |
| Chick-fil-a | Accommodation and Food Services | 100 - 249 |
| Gold's Gym - Ashburn | Arts, Entertainment, and Recreation | 100 - 249 |
| Adesa Virginia Llc | Wholesale Trade | 100 - 249 |
| Global Wireless Solutions Inc | Professional, Scientific, and Technical Services | 100 - 249 |
| Professional Maintenance Inc | Administrative and Support and Waste Management and Remediation Services | 100 - 249 |
| Computer Sciences Corp | Professional, Scientific, and Technical Services | 100 - 249 |
| Middleburg National Bank | Management of Companies and Enterprises | 100 - 249 |
| Broad Run Contracting | Administrative and Support and Waste Management and Remediation Services | 100 - 249 |
| Virginia Tire & Auto | Other Services (except Public Administration) | 100 - 249 |
| Dulles Motor Cars Inc | Retail Trade | 100 - 249 |
| Marriott Hotel Services Inc | Accommodation and Food Services | 100 - 249 |
| Ragingwire Enterprise Solution | Information | 100 - 249 |
| Troon Golf | Arts, Entertainment, and Recreation | 100 - 249 |
| Wells Fargo Bank N A | Finance and Insurance | 100 - 249 |
| L F Jennings Inc | Construction | 100 - 249 |
| Leesburg Imports | Retail Trade | 100 - 249 |
| D A Foster Company | Construction | 100 - 249 |
| Am Liner East Inc | Construction | 100 - 249 |
| Chenega Total Asset Prote | Administrative and Support and Waste Management and Remediation Services | 100 - 249 |
| Richards Corporation | Manufacturing | 100 - 249 |
| S A Halac Iron Works Inc | Construction | 100 - 249 |
| Inspiration Plumbing, Llc | Construction | 100 - 249 |
| Discovery Productions Group Inc | Information | 100 - 249 |
| Ian Evan & Alexander Corp | Professional, Scientific, and Technical Services | 100 - 249 |
| Caliber Holdings Corporation | Other Services (except Public Administration) | 100 - 249 |
| Cheesecake Factory | Accommodation and Food Services | 100 - 249 |
| Alamo One Loudoun | Information | 100 - 249 |
| Gold's Gym - Cascades | Arts, Entertainment, and Recreation | 100 - 249 |
| Independent Project Analy Inc | Professional, Scientific, and Technical Services | 100 - 249 |
| Con Serv Industries Inc | Administrative and Support and Waste Management and Remediation Services | 100 - 249 |
| Sweetwater Ltc Llc | Accommodation and Food Services | 100 - 249 |
| Aircraft Service Internat Inc | Transportation and Warehousing | 100 - 249 |
| Luck Stone Corporation | Mining, Quarrying, and Oil and Gas Extraction | 100 - 249 |
| Synchronisys, Inc. | Professional, Scientific, and Technical Services | 100 - 249 |
| Comcast Cablevision Of Wi Inc | Information | 100 - 249 |
| Electronic Instrument & T Inc | Manufacturing | 100 - 249 |
| Gettier Commercial Inc | Administrative and Support and Waste Management and Remediation Services | 100 - 249 |
| Loudoun Long Term Care | Health Care and Social Assistance | 100 - 249 |
| Simplexgrinnell Lp | Wholesale Trade | 100 - 249 |
| Blue Ridge Veterinary Asc Inc | Professional, Scientific, and Technical Services | 100 - 249 |
| Home School Legal Defense | Other Services (except Public Administration) | 100 - 249 |
| Virginia Cvs Pharmacy Llc | Retail Trade | 100 - 249 |
| Webco General Partnership | Wholesale Trade | 100 - 249 |
| Goal Group, Inc | Professional, Scientific, and Technical Services | 100 - 249 |
| Herndon Motor Company Inc | Retail Trade | 100 - 249 |
| Department Of Justice | Public Administration | 100 - 249 |
| Guernsey Office Products Inc | Wholesale Trade | 100 - 249 |
| Lane Construction Corp | Construction | 100 - 249 |
| Marshalls | Retail Trade | 100 - 249 |
| Technica Corporation | Professional, Scientific, and Technical Services | 100 - 249 |
| Wts International Inc | Arts, Entertainment, and Recreation | 100 - 249 |
| Buffalo Wild Wings | Accommodation and Food Services | 100 - 249 |
| Moore Cadillac Hummer Dulles | Retail Trade | 100 - 249 |
| Propave Inc | Construction | 100 - 249 |
| Veolia Transportation | Transportation and Warehousing | 100 - 249 |
| Walgreens | Retail Trade | 100 - 249 |
| Asurion Insurance Services Inc | Finance and Insurance | 100 - 249 |
| Iconma Llc | Administrative and Support and Waste Management and Remediation Services | 100 - 249 |
| Jenkins Services Llc | Construction | 100 - 249 |
| Lerner Corp | Real Estate and Rental and Leasing | 100 - 249 |
| Uncle Julio's | Accommodation and Food Services | 100 - 249 |
| Bakeco Llc | Manufacturing | 100 - 249 |
| Leesburg Southern Electric | Construction | 100 - 249 |
| The Brickman Group Ltd | Administrative and Support and Waste Management and Remediation Services | 100 - 249 |
| Northern Va Reg Pk Authority | Arts, Entertainment, and Recreation | 100 - 249 |
| The Paradies Shops | Retail Trade | 100 - 249 |
| Cigital Inc | Professional, Scientific, and Technical Services | 100 - 249 |
| Cracker Barrel | Accommodation and Food Services | 100 - 249 |
| Iteris Inc | Professional, Scientific, and Technical Services | 100 - 249 |
| Boeing | Professional, Scientific, and Technical Services | 100 - 249 |
| CIS Secure Computing Inc | Professional, Scientific, and Technical Services | 100 - 249 |
| River Creek Country Club | Arts, Entertainment, and Recreation | 100 - 249 |
| Outback Steakhouse | Accommodation and Food Services | 100 - 249 |
| Pediatric Specialists | Manufacturing | 100 - 249 |
| Ohm Concession Group, Llc | Accommodation and Food Services | 100 - 249 |
| Armfield Harrison & Thomas Inc | Finance and Insurance | 100 - 249 |
| Clippers Inc | Administrative and Support and Waste Management and Remediation Services | 100 - 249 |
| Kids First Swim Schools | Educational Services | 100 - 249 |
| The Medical Team | Health Care and Social Assistance | 100 - 249 |
| Alpha Construction & Engi Corp | Professional, Scientific, and Technical Services | 100 - 249 |
| K T Enterprise Inc | Administrative and Support and Waste Management and Remediation Services | 100 - 249 |
| Sears Roebuck & Co Inc | Retail Trade | 100 - 249 |
| Sunrise Senior Living | Health Care and Social Assistance | 100 - 249 |
| Walters & Mason Retail Inc | Retail Trade | 100 - 249 |
| JCPenney | Retail Trade | 100 - 249 |
| Noble Education Dynamics Inc | Health Care and Social Assistance | 100 - 249 |
| Ryvor Hospex, Llc | Administrative and Support and Waste Management and Remediation Services | 100 - 249 |
