Loudoun County is home to businesses of all sizes. Here are the companies that employ between 100 and 499 people:
| Company Name | Industry | Employment range |
|---|---|---|
| Neustar | Information | 250 to 499 |
| Prospect Waterproofing | Construction | 250 to 499 |
| Enterprise Leasing | Real Estate and Rental and Leasing | 250 to 499 |
| ATPCO | Information | 250 to 499 |
| Lansdowne Resort | Accommodation and Food Services | 250 to 499 |
| George Washington University | Educational Services | 250 to 499 |
| Christos Building Services | Administrative and Support and Waste Management and Remediation Services | 250 to 499 |
| Stryker Corp (formerly K2M Inc.) | Manufacturing | 250 to 499 |
| Topgolf | Arts, Entertainment, and Recreation | 250 to 499 |
| REI Systems | Professional, Scientific, and Technical Services | 250 to 499 |
| TJX Companies | Retail Trade | 250 to 499 |
| Salamander Resort | Accommodation and Food Services | 250 to 499 |
| Department of the Interior | Public Administration | 250 to 499 |
| Reston Limousine | Transportation and Warehousing | 250 to 499 |
| Hunt Leigh USA | Transportation and Warehousing | 250 to 499 |
| Mesa Airlines | Transportation and Warehousing | 250 to 499 |
| Viasystems | Manufacturing | 250 to 499 |
| Inovant | Finance and Insurance | 250 to 499 |
| Patrick Henry College | Educational Services | 250 to 499 |
| NALC Health Benefit Plan | Finance and Insurance | 250 to 499 |
| Bechtel Infrastructure | Professional, Scientific, and Technical Services | 250 to 499 |
| Panera Bread | Accommodation and Food Services | 250 to 499 |
| Loudoun Water | Utilities | 250 to 499 |
| Falcons Landing | Health Care and Social Assistance | 250 to 499 |
| FedEx | Transportation and Warehousing | 250 to 499 |
| Department Of Alcoholic Beverage Control Authority | Public Administration | 250 to 499 |
| PAE (formerly FCI Federal) | Administrative and Support and Waste Management and Remediation Services | 250 to 499 |
| Lowe's | Retail Trade | 250 to 499 |
| Hardesty Concrete Construction | Construction | 250 to 499 |
| JE Richards | Construction | 250 to 499 |
| CACI | Professional, Scientific, and Technical Services | 250 to 499 |
| Lowers Risk Group | Administrative and Support and Waste Management and Remediation Services | 250 to 499 |
| Baker DC | Construction | 250 to 499 |
| Asurion | Finance and Insurance | 250 to 499 |
| Stone Springs Hospital | Health Care and Social Assistance | 250 to 499 |
| Domino's | Accommodation and Food Services | 250 to 499 |
| LTF Club Management | Arts, Entertainment, and Recreation | 250 to 499 |
| Holiday Inn | Accommodation and Food Services | 250 to 499 |
| Gold's Gym | Arts, Entertainment, and Recreation | 250 to 499 |
| The National Conference Center | Accommodation and Food Services | 250 to 499 |
| Jetblue Airways | Transportation and Warehousing | 250 to 499 |
| National Rural Utilities Cooperative Finance Corporation | Finance and Insurance | 100 to 249 |
| CarMax | Retail Trade | 100 to 249 |
| Visa | Finance and Insurance | 100 to 249 |
| Sky Chefs | Accommodation and Food Services | 100 to 249 |
| Telos | Professional, Scientific, and Technical Services | 100 to 249 |
| Meadows Farms | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Washington Redskins | Arts, Entertainment, and Recreation | 100 to 249 |
| Abacus Innovations | Professional, Scientific, and Technical Services | 100 to 249 |
| Starbucks | Accommodation and Food Services | 100 to 249 |
| Flying Food Group | Professional, Scientific, and Technical Services | 100 to 249 |
| Healthsouth Rehabilitation | Health Care and Social Assistance | 100 to 249 |
| Forfeiture Support Associates | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Food Lion | Retail Trade | 100 to 249 |
| IEA | Professional, Scientific, and Technical Services | 100 to 249 |
| RB Hinkle Construction | Construction | 100 to 249 |
| Safeway | Retail Trade | 100 to 249 |
| Rockwell Collins | Professional, Scientific, and Technical Services | 100 to 249 |
| Host International | Accommodation and Food Services | 100 to 249 |
| Kaiser Foundation | Health Care and Social Assistance | 100 to 249 |
| Champlain Enterprises | Transportation and Warehousing | 100 to 249 |
| Best Buy | Retail Trade | 100 to 249 |
| SpringHill Suites - Marriott | Accommodation and Food Services | 100 to 249 |
| Asurion Insurance Services | Finance and Insurance | 100 to 249 |
| Chapel Valley Landscape | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Team Velocity Marketing | Professional, Scientific, and Technical Services | 100 to 249 |
| Amazon | Information | 100 to 249 |
| Chipotle Mexican Grill | Accommodation and Food Services | 100 to 249 |
| Heritage Hall | Health Care and Social Assistance | 100 to 249 |
| Kindercare Education | Health Care and Social Assistance | 100 to 249 |
| Dulles Motor Cars | Retail Trade | 100 to 249 |
| US Airways | Transportation and Warehousing | 100 to 249 |
| Trump National Golf Club | Arts, Entertainment, and Recreation | 100 to 249 |
| Southland Industries | Retail Trade | 100 to 249 |
| Whisper Ridge Behavioral Health | Health Care and Social Assistance | 100 to 249 |
| Ohm Concession Group | Accommodation and Food Services | 100 to 249 |
| Bubbles Salons | Other Services (except Public Administration) | 100 to 249 |
| Juno-Loudoun | Arts, Entertainment, and Recreation | 100 to 249 |
| Whole Foods Market | Retail Trade | 100 to 249 |
| Catholic Diocese of Arlington | Educational Services | 100 to 249 |
| Mindshift Technologies | Professional, Scientific, and Technical Services | 100 to 249 |
| SDH Services West | Accommodation and Food Services | 100 to 249 |
| Duty Free Americas | Retail Trade | 100 to 249 |
| Brightview Landscape Services | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Kohl's | Retail Trade | 100 to 249 |
| Golden Key Group | Professional, Scientific, and Technical Services | 100 to 249 |
| Trans World Express | Transportation and Warehousing | 100 to 249 |
| Wells Fargo Bank | Finance and Insurance | 100 to 249 |
| Compusearch Software | Professional, Scientific, and Technical Services | 100 to 249 |
| BMW | Retail Trade | 100 to 249 |
| Olive Garden | Accommodation and Food Services | 100 to 249 |
| Dick's Sporting Goods | Retail Trade | 100 to 249 |
| MVM International | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Minnieland Academy | Health Care and Social Assistance | 100 to 249 |
| Ex Zel Janitorial Service | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Clyde's | Accommodation and Food Services | 100 to 249 |
| Stone Tower Winery | Manufacturing | 100 to 249 |
| Easterns Automotive Group | Retail Trade | 100 to 249 |
| Global Wireless Solutions Inc | Professional, Scientific, and Technical Services | 100 to 249 |
| Verizon Svcs Organization Inc | Information | 100 to 249 |
| Macy's | Retail Trade | 100 to 249 |
| FTS International | Professional, Scientific, and Technical Services | 100 to 249 |
| Ground Services International | Transportation and Warehousing | 100 to 249 |
| American Green Building Services, Inc. | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Adesa | Wholesale Trade | 100 to 249 |
| Luck Stone Corporation | Mining, Quarrying, and Oil and Gas Extraction | 100 to 249 |
| Patriot Development | Construction | 100 to 249 |
| Access National Bank | Management of Companies and Enterprises | 100 to 249 |
| BakeCo | Manufacturing | 100 to 249 |
| SA Halac Iron Works | Construction | 100 to 249 |
| NOVA Parks | Arts, Entertainment, and Recreation | 100 to 249 |
| Mini Skools Early Learning | Health Care and Social Assistance | 100 to 249 |
| Global Security Consulting | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| BAE Systems | Professional, Scientific, and Technical Services | 100 to 249 |
| Girl Scouts | Other Services (except Public Administration) | 100 to 249 |
| Valet Waste | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Virginia Paving | Construction | 100 to 249 |
| Comcast | Information | 100 to 249 |
| Alamo Drafthouse Cinema | Information | 100 to 249 |
| Onelife Fitness | Arts, Entertainment, and Recreation | 100 to 249 |
| Sweetwater Tavern | Accommodation and Food Services | 100 to 249 |
| Leesburg Honda | Retail Trade | 100 to 249 |
| Comsearch Division | Professional, Scientific, and Technical Services | 100 to 249 |
| Inspiration Plumbing | Construction | 100 to 249 |
| Troon Golf | Arts, Entertainment, and Recreation | 100 to 249 |
| Richards Corporation | Manufacturing | 100 to 249 |
| Superior Iron Works | Manufacturing | 100 to 249 |
| Discovery Communications | Information | 100 to 249 |
| Cooper's Hawk Winery & Restaurants | Accommodation and Food Services | 100 to 249 |
| Belfort Furniture | Retail Trade | 100 to 249 |
| Papa Johns | Accommodation and Food Services | 100 to 249 |
| Equinix | Information | 100 to 249 |
| L.F. Jennings | Construction | 100 to 249 |
| Department Of Justice | Public Administration | 100 to 249 |
| Simplexgrinnell | Wholesale Trade | 100 to 249 |
| Inova Loudoun Long Term Care | Health Care and Social Assistance | 100 to 249 |
| Marriott Hotels | Accommodation and Food Services | 100 to 249 |
| Anderson Mechanical Services | Construction | 100 to 249 |
| Technica Corporation | Professional, Scientific, and Technical Services | 100 to 249 |
| K T Enterprise | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Institute for Building Technology and Safety | Professional, Scientific, and Technical Services | 100 to 249 |
| Beckstrom Electric | Construction | 100 to 249 |
| Regal Cinemas | Information | 100 to 249 |
| Gettier Commercial | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Wendy's | Accommodation and Food Services | 100 to 249 |
| Jenkins Restorations | Construction | 100 to 249 |
| Blue Ridge Veterinary | Professional, Scientific, and Technical Services | 100 to 249 |
| IPA | Professional, Scientific, and Technical Services | 100 to 249 |
| Community Landscape Services | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Cofense | Professional, Scientific, and Technical Services | 100 to 249 |
| D.A. Foster | Construction | 100 to 249 |
| Airway Sheet Metal Company | Construction | 100 to 249 |
| Altar'd State | Retail Trade | 100 to 249 |
| CIS Secure Computing Inc | Professional, Scientific, and Technical Services | 100 to 249 |
| Unanet Technologies | Professional, Scientific, and Technical Services | 100 to 249 |
| Petsmart | Retail Trade | 100 to 249 |
| Koons Sterling Ford | Retail Trade | 100 to 249 |
| Virginia Tire & Auto | Other Services (except Public Administration) | 100 to 249 |
| Guernsey | Wholesale Trade | 100 to 249 |
| Gatr Technologies Inc | Professional, Scientific, and Technical Services | 100 to 249 |
| The Paradies Shops | Retail Trade | 100 to 249 |
| Morningside House | Health Care and Social Assistance | 100 to 249 |
| River Creek Country Club | Arts, Entertainment, and Recreation | 100 to 249 |
| Reed Incorporated | Professional, Scientific, and Technical Services | 100 to 249 |
| Performance Contracting | Construction | 100 to 249 |
| Microsoft | Wholesale Trade | 100 to 249 |
| Home School Foundation | Other Services (except Public Administration) | 100 to 249 |
| The 1757 Golf Club | Arts, Entertainment, and Recreation | 100 to 249 |
| Aircraft Service International | Transportation and Warehousing | 100 to 249 |
| Synopsys | Professional, Scientific, and Technical Services | 100 to 249 |
| CSI International | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Am Liner East | Construction | 100 to 249 |
| Synchronisys | Professional, Scientific, and Technical Services | 100 to 249 |
| EIT | Manufacturing | 100 to 249 |
| CVS | Retail Trade | 100 to 249 |
| Quality Technology Services | Information | 100 to 249 |
| L3 Unmanned Systems | Professional, Scientific, and Technical Services | 100 to 249 |
| Iridium Satellite | Information | 100 to 249 |
| Leesburg Southern Electric | Construction | 100 to 249 |
| Chenega Total Asset Protection | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Tuscorora Mill | Accommodation and Food Services | 100 to 249 |
| Moore Cadillac Hummer | Retail Trade | 100 to 249 |
| Van Metre | Management of Companies and Enterprises | 100 to 249 |
| AHT Insurance | Finance and Insurance | 100 to 249 |
| Zayo Group | Information | 100 to 249 |
| Prison Fellowship Ministries | Other Services (except Public Administration) | 100 to 249 |
| Alban Tractor Company | Wholesale Trade | 100 to 249 |
| Wetten Importers | Wholesale Trade | 100 to 249 |
| Alpha Construction | Professional, Scientific, and Technical Services | 100 to 249 |
| WTS International | Arts, Entertainment, and Recreation | 100 to 249 |
| Schaffner MTC | Manufacturing | 100 to 249 |
| Satair USA | Wholesale Trade | 100 to 249 |
| Chesterbrook Academy | Health Care and Social Assistance | 100 to 249 |
| Heritage Landscape Service | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Falcon Heating & AC | Construction | 100 to 249 |
| The Medical Team | Health Care and Social Assistance | 100 to 249 |
| Sky Courier | Transportation and Warehousing | 100 to 249 |
| Potbelly Sandwich Works | Accommodation and Food Services | 100 to 249 |
| KMG Hauling | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Cracker Barrell | Accommodation and Food Services | 100 to 249 |
| Arthur Construction | Construction | 100 to 249 |
| RagingWire Data Centers, Inc. | Information | 100 to 249 |
