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.
| Company Name | Industry | Employment Range |
|---|---|---|
| Bechtel Infrastructure | Professional, Scientific, and Technical Services | 250 to 499 |
| Universal Protection Service | Administrative and Support and Waste Management and Remediation Services | 250 to 499 |
| Ashby Ponds | Health Care and Social Assistance | 250 to 499 |
| Southland Industries | Construction | 250 to 499 |
| McDonalds | Accommodation and Food Services | 250 to 499 |
| Topgolf | Arts, Entertainment, and Recreation | 250 to 499 |
| ATPCO | Information | 250 to 499 |
| Department of the Interior | Public Administration | 250 to 499 |
| PAE (formerly FCi Federal) | Office Administrative Services | 250 to 499 |
| Prospect Waterproofing | Construction | 250 to 499 |
| Mesa Airlines | Transportation and Warehousing | 250 to 499 |
| Salamander Resort | Accommodation and Food Services | 250 to 499 |
| REI Systems | Professional, Scientific, and Technical Services | 250 to 499 |
| Destination Leesburg | Accommodation and Food Services | 250 to 499 |
| G4S Secure Solutions | Administrative and Support and Waste Management and Remediation Services | 250 to 499 |
| Hamplain Enterprises | Transportation and Warehousing | 250 to 499 |
| George Washington University | Educational Services | 250 to 499 |
| K2M | Manufacturing | 250 to 499 |
| Viasystems Technologies | Manufacturing | 250 to 499 |
| Reston Limousine | Transportation and Warehousing | 250 to 499 |
| NALC Health Benefit Plan | Finance and Insurance | 250 to 499 |
| National Electronics Warranty Corp. | Finance and Insurance | 250 to 499 |
| Hunt Leigh USA | Transportation and Warehousing | 250 to 499 |
| Air Force Retired Officer | Health Care and Social Assistance | 250 to 499 |
| Inovant | Finance and Insurance | 250 to 499 |
| Federal Express | Transportation and Warehousing | 250 to 499 |
| Lowers Risk Group | Administrative and Support and Waste Management and Remediation Services | 250 to 499 |
| Lowes Home Centers | Retail Trade | 250 to 499 |
| Loudoun Co Sanitation Authority | Utilities | 250 to 499 |
| BF Saul Property Company | Accommodation and Food Services | 250 to 499 |
| LTF Club Management Co | Arts, Entertainment, and Recreation | 250 to 499 |
| Abacus Innovations Corporation | Professional, Scientific, and Technical Services | 250 to 499 |
| Baker DC | Construction | 250 to 499 |
| Meadows Farms | Retail Trade | 250 to 499 |
| StoneSprings Hospital Center | Health Care and Social Assistance | 250 to 499 |
| Carmax Auto Superstores | Retail Trade | 250 to 499 |
| Panera Bread | Accommodation and Food Services | 250 to 499 |
| Dominos Pizza | Accommodation and Food Services | 250 to 499 |
| BAE Systems | Professional, Scientific, and Technical Services | 100 to 249 |
| National Rural Utilities | Finance and Insurance | 100 to 249 |
| Southland Concrete | Construction | 100 to 249 |
| Gold's Gym | Arts, Entertainment, and Recreation | 100 to 249 |
| Cooper's Hawk | Accommodation and Food Services | 100 to 249 |
| Jetblue Airways | Transportation and Warehousing | 100 to 249 |
| Sky Chefs | Accommodation and Food Services | 100 to 249 |
| Patrick Henry College | Educational Services | 100 to 249 |
| Starbucks | Accommodation and Food Services | 100 to 249 |
| Christos Building Services | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Enterprise Rent-A-Car | Real Estate and Rental and Leasing | 100 to 249 |
| Forfeiture Support Associates | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| The National Conference Center | Accommodation and Food Services | 100 to 249 |
| Safeway | Retail Trade | 100 to 249 |
| Nordstrom | Retail Trade | 100 to 249 |
| Washington Redskins | Arts, Entertainment, and Recreation | 100 to 249 |
| Food Lion | Retail Trade | 100 to 249 |
| Healthsouth Rehabilitation | Health Care and Social Assistance | 100 to 249 |
| Visa | Finance and Insurance | 100 to 249 |
| Host International | Accommodation and Food Services | 100 to 249 |
| RB Hinkle Construction | Construction | 100 to 249 |
| Telos Corp | Professional, Scientific, and Technical Services | 100 to 249 |
| Minnieland Private Day School | Health Care and Social Assistance | 100 to 249 |
| Catholic Diocese Arlington | Educational Services | 100 to 249 |
| Chapel Valley Landscape | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Kaiser Foundation Health | Health Care and Social Assistance | 100 to 249 |
| Knowledge Universe | Health Care and Social Assistance | 100 to 249 |
| Ohm Concession Group | Accommodation and Food Services | 100 to 249 |
| Creative Hairdressers | Other Services (except Public Administration) | 100 to 249 |
| Trump National Golf Club | Arts, Entertainment, and Recreation | 100 to 249 |
| Flying Food Group | Professional, Scientific, and Technical Services | 100 to 249 |
| Mindshift Technologies | Professional, Scientific, and Technical Services | 100 to 249 |
| Whisper Ridge Behavioral Health System | Health Care and Social Assistance | 100 to 249 |
| Best Buy | Retail Trade | 100 to 249 |
| SpringHill Suites - Marriott | Accommodation and Food Services | 100 to 249 |
| Iridium Satellite | Information | 100 to 249 |
| Rockwell Collins Simulation | Professional, Scientific, and Technical Services | 100 to 249 |
| BMW of Sterling | Retail Trade | 100 to 249 |
| Heritage Hall | Health Care and Social Assistance | 100 to 249 |
| Clyde's | Accommodation and Food Services | 100 to 249 |
| Team Velocity Marketing | Professional, Scientific, and Technical Services | 100 to 249 |
| Valleycrest Landscape | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Whole Foods Market | Retail Trade | 100 to 249 |
| KFC | Accommodation and Food Services | 100 to 249 |
| Dicks Sporting Goods | Retail Trade | 100 to 249 |
| JE Richards | Construction | 100 to 249 |
| Compusearch Software | Professional, Scientific, and Technical Services | 100 to 249 |
| Global Wireless Solutions | Professional, Scientific, and Technical Services | 100 to 249 |
| Duty Free Americas | Retail Trade | 100 to 249 |
| Kohl's | Retail Trade | 100 to 249 |
| Ian Evan & Alexander | Professional, Scientific, and Technical Services | 100 to 249 |
| Dulles Motor Cars | Retail Trade | 100 to 249 |
| Inspiration Plumbing | Construction | 100 to 249 |
| Heritage Landscape | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Wells Fargo Bank | Finance and Insurance | 100 to 249 |
| Alamo One Loudoun | Information | 100 to 249 |
| Macy's | Retail Trade | 100 to 249 |
| Trans World Express | Transportation and Warehousing | 100 to 249 |
| Comcast | Information | 100 to 249 |
| Onelife Fitness | Arts, Entertainment, and Recreation | 100 to 249 |
| Mini Skools Early Learning | Health Care and Social Assistance | 100 to 249 |
| Adesa | Wholesale Trade | 100 to 249 |
| Intelligent Decisions | Wholesale Trade | 100 to 249 |
| Community Landscape Services | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Amazon | Information | 100 to 249 |
| Comsearch | Professional, Scientific, and Technical Services | 100 to 249 |
| Troon Golf | Arts, Entertainment, and Recreation | 100 to 249 |
| Chick-fil-a | Accommodation and Food Services | 100 to 249 |
| Asurion Insurance Services | Finance and Insurance | 100 to 249 |
| Luck Stone Corporation | Mining, Quarrying, and Oil and Gas Extraction | 100 to 249 |
| Harmon Contract | Construction | 100 to 249 |
| GMRI | Accommodation and Food Services | 100 to 249 |
| Belfort Furniture | Retail Trade | 100 to 249 |
| SA Halac Iron Works | Construction | 100 to 249 |
| Virginia Tire & Auto | Other Services (except Public Administration) | 100 to 249 |
| Oasis Outsourcing V Inc | Manufacturing | 100 to 249 |
| Ex Zel Janitorial Service Inc | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| L F Jennings Inc | Construction | 100 to 249 |
| Middleburg National Bank | Finance and Insurance | 100 to 249 |
| Wts International Inc | Arts, Entertainment, and Recreation | 100 to 249 |
| Sweetwater Ltc Llc | Accommodation and Food Services | 100 to 249 |
| Beckstrom Electric Co Inc | Construction | 100 to 249 |
| Leesburg Imports Llc | Retail Trade | 100 to 249 |
| Marriott Hotel Services Inc | Accommodation and Food Services | 100 to 249 |
| Enterprise Leasing Compan | Real Estate and Rental and Leasing | 100 to 249 |
| Technica Corporation | Professional, Scientific, and Technical Services | 100 to 249 |
| Department Of Justice | Public Administration | 100 to 249 |
| Fts International Llc | Professional, Scientific, and Technical Services | 100 to 249 |
| Mcdonalds Restuarant Of Va | Accommodation and Food Services | 100 to 249 |
| Am Liner East Inc | Construction | 100 to 249 |
| Discovery Productions Gro Inc | Information | 100 to 249 |
| Sunoco | Retail Trade | 100 to 249 |
| Northern Va Reg Pk Auth | Arts, Entertainment, and Recreation | 100 to 249 |
| Cheesecake Factory Restau | Accommodation and Food Services | 100 to 249 |
| Insperity Peo Services Lp | Wholesale Trade | 100 to 249 |
| Patriot Development Corp | Construction | 100 to 249 |
| Gettier Commercial Inc | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Jenkins Services Llc | Construction | 100 to 249 |
| Blue Ridge Veterinary Asc Inc | Professional, Scientific, and Technical Services | 100 to 249 |
| Marshalls Of Ma Inc | Retail Trade | 100 to 249 |
| Synchronisys, Inc. | Professional, Scientific, and Technical Services | 100 to 249 |
| Aircraft Service Internat Inc | Transportation and Warehousing | 100 to 249 |
| Christos Building Services, Llc | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Loudoun Long Term Care Ce Inc | Health Care and Social Assistance | 100 to 249 |
| Not Your Average Joes Inc | Accommodation and Food Services | 100 to 249 |
| Propave Inc | Construction | 100 to 249 |
| Electronic Instrument & T Inc | Manufacturing | 100 to 249 |
| Iteris Inc | Professional, Scientific, and Technical Services | 100 to 249 |
| Richards Corporation | Manufacturing | 100 to 249 |
| Synopsys Inc | Professional, Scientific, and Technical Services | 100 to 249 |
| Stone Tower Winery Llc | Manufacturing | 100 to 249 |
| Lane Construction Corp | Construction | 100 to 249 |
| Petsmart | Retail Trade | 100 to 249 |
| Veolia Transportation Svs Inc | Transportation and Warehousing | 100 to 249 |
| Virginia Cvs Pharmacy Llc | Retail Trade | 100 to 249 |
| Home School Legal Defense | Other Services (except Public Administration) | 100 to 249 |
| Independent Project Analy Inc | Professional, Scientific, and Technical Services | 100 to 249 |
| Simplexgrinnell Lp | Wholesale Trade | 100 to 249 |
| The Paradies Shops | Retail Trade | 100 to 249 |
| A G Van Metre Services Inc | Real Estate and Rental and Leasing | 100 to 249 |
| Guernsey Office Products Inc | Wholesale Trade | 100 to 249 |
| Quality Technology Servic | Information | 100 to 249 |
| Sabmd Llc | Retail Trade | 100 to 249 |
| Armfield Harrison & Thoma Inc | Finance and Insurance | 100 to 249 |
| Arthur Construction Co, Inc | Construction | 100 to 249 |
| Cis Secure Computing Inc | Professional, Scientific, and Technical Services | 100 to 249 |
| Herndon Motor Company Inc | Retail Trade | 100 to 249 |
| Global Security Consulting | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Lerner Corp | Real Estate and Rental and Leasing | 100 to 249 |
| Moore Cadillac Hummer Dul | Retail Trade | 100 to 249 |
| 1757 Golf Management Llc | Arts, Entertainment, and Recreation | 100 to 249 |
| D A Foster Company | Construction | 100 to 249 |
| Mvm International Sec Inc | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Jcpenney Co Inc | Retail Trade | 100 to 249 |
| M C Enterprise | Transportation and Warehousing | 100 to 249 |
| Reed Incorporated | Professional, Scientific, and Technical Services | 100 to 249 |
| Slh Mid Atlantic Manager, Llc | Health Care and Social Assistance | 100 to 249 |
| 7-Eleven | Retail Trade | 100 to 249 |
| Leesburg Southern Electri | Construction | 100 to 249 |
| Chenega Total Asset Prote | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Equinix Operating Co Inc | Information | 100 to 249 |
| Kt Irrigation Llc | Construction | 100 to 249 |
| Walters & Mason Retail Inc | Retail Trade | 100 to 249 |
| Hogan & Sons, Inc. | Other Services (except Public Administration) | 100 to 249 |
| Ryvor Hospex, Llc | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Sky Courier Inc | Transportation and Warehousing | 100 to 249 |
| Alpha Construction & Engineering | Professional, Scientific, and Technical Services | 100 to 249 |
| Institute For Building Technology and Safety | Professional, Scientific, and Technical Services | 100 to 249 |
| Kids First Swim Schools | Educational Services | 100 to 249 |
| Payne Leadership Development Group | Accommodation and Food Services | 100 to 249 |
| Sunrise Senior Living | Health Care and Social Assistance | 100 to 249 |
| Alliant Techsystems | Management of Companies and Enterprises | 100 to 249 |
| Caliber Holdings Corporation | Other Services (except Public Administration) | 100 to 249 |
| Sdh Services West | Accommodation and Food Services | 100 to 249 |
| Hydro Tech Irrigation | Construction | 100 to 249 |
| Noble Education Dynamics | Educational Services | 100 to 249 |
| River Creek Country Club | Arts, Entertainment, and Recreation | 100 to 249 |
| Tuscarora Mill | Accommodation and Food Services | 100 to 249 |
| Uncle Julios | Accommodation and Food Services | 100 to 249 |
| Walgreens | Retail Trade | 100 to 249 |
| Chipotle | Accommodation and Food Services | 100 to 249 |
| Con Serv Industries | Administrative and Support and Waste Management and Remediation Services | 100 to 249 |
| Cracker Barrel | Accommodation and Food Services | 100 to 249 |
