Public record · Virginia
Fairfax County: 4,258 companies on record.
The companies the public registers place in Fairfax County, Virginia, by sector, as DealSTE read them — read 8 Nov 2026. Each opens on its own record page: registration, sites, permits, liens and compliance, each with its register.
| Sector | Companies |
|---|---|
| Defense and federal contracting | 3,682 |
| Auto services — repair, collision, tire | 138 |
| Professional services — accounting, engineering, insurance | 138 |
| IT & managed services | 73 |
| Manufacturing | 43 |
| Healthcare — medical, dental & home health | 41 |
| Home construction & remodeling | 26 |
| Distribution & wholesale | 25 |
| Trades — HVAC, plumbing, electrical, mechanical | 22 |
| Funeral homes | 13 |
| Staffing | 13 |
| Commercial cleaning & facilities services | 9 |
| Retail — specialty, convenience & liquor | 8 |
| Commercial & specialty contracting | 7 |
| Trucking | 5 |
| Restaurants | 4 |
| Veterinary practices | 4 |
| Equipment rental | 2 |
| Landscaping, lawn care & grounds | 2 |
| Waste hauling, roll-off & recycling | 2 |
| Crushed stone | 1 |
| Company | Sector | City |
|---|---|---|
| Genco Systems INC | Defense & federal contracting | Herndon |
| Karcher Group INC | Defense & federal contracting | Chantilly |
| Hallmark Iron Works, Inc | Manufacturing | Lorton |
| Karcher Group, Inc. | Manufacturing | Chantilly |
| Karla Colletto Swimwear, inc. | Manufacturing | Vienna |
| Alpha Technology Associate INC | Defense & federal contracting | Fairfax |
| Applied Environmental, Inc. | Defense & federal contracting | Herndon |
| Harmonytech Inc. | Defense & federal contracting | Fairfax |
| L. C. Wright, Inc. | Defense & federal contracting | Mc Lean |
| Nettek Systems Consultants, Inc. | Defense & federal contracting | Fairfax |
| Occam Solutions, Inc. | Defense & federal contracting | Herndon |
| Open Technology Group Incorporated | Defense & federal contracting | Herndon |
| Sage Computing, INC | Defense & federal contracting | Reston |
| Tech2i Inc. | Defense & federal contracting | Herndon |
| The Acuna Corporation | Defense & federal contracting | Fairfax Station |
| Code Plus, Inc. | Defense & federal contracting | Fairfax |
| Datasource, Inc. | Defense & federal contracting | Mc Lean |
| Enviro-management & Research, Inc. | Defense & federal contracting | Springfield |
| Fmr Consulting Inc. | Defense & federal contracting | Springfield |
| Frank O'connor Inc. | Defense & federal contracting | Clifton |
| Futrend Technology Inc. | Defense & federal contracting | Mc Lean |
| Ideation INC | Defense & federal contracting | Reston |
| Information Technology Company, L.L.C. | Defense & federal contracting | Falls Church |
| Luna Enterprises International INC | Defense & federal contracting | Alexandria |
| Millennium Enterprise Corp. | Defense & federal contracting | Oakton |
| Pioneer Technologies Inc. | Defense & federal contracting | Fairfax |
| Quality Systems Management, Inc. | Defense & federal contracting | Annandale |
| Aeronautical Systems, Incorporated | Defense & federal contracting | Reston |
| Alpine Armoring Inc. | Defense & federal contracting | Chantilly |
| Aoc Solutions, INC | Defense & federal contracting | Fairfax |
| Avineon, Inc. | Defense & federal contracting | Mc Lean |
| C & E Services, Inc. | Defense & federal contracting | Vienna |
| COMMERCIAL WATERPROOFING, INC. | Trades — HVAC, plumbing, electrical, mechanical | WEST CHESTER |
| Condortech Services, Inc. | Defense & federal contracting | Chantilly |
| Cornet Technology, Inc. | Defense & federal contracting | Springfield |
| DUFFIELD HAULING, INC. | Trucking, freight & logistics | KING GEORGE |
| Dynamic Animation Systems, Inc. | Defense & federal contracting | Chantilly |
| Dynamic System Solutions, Inc. | Defense & federal contracting | Fairfax |
| Nova Research, Inc. | Defense & federal contracting | Alexandria |
| Purple Onion Catering Company | Restaurants & food service | VIENNA |
| Syntek Technologies, Inc. | Defense & federal contracting | Fairfax |
| Brown Construction Services, INC | Defense & federal contracting | Annandale |
| Cougaar Software INC | Defense & federal contracting | Fairfax |
| Dynex Technologies Holding Company, Inc. | Manufacturing | Chantilly |
| Focused Management, Inc. | Defense & federal contracting | Alexandria |
| Garcia Information Systems Corp | Defense & federal contracting | Reston |
| Innovative Management & Technology Approaches INC | Defense & federal contracting | Reston |
| Jtf Business Systems Corporation | Defense & federal contracting | Springfield |
| Lanmark Technology INC | Defense & federal contracting | Centreville |
| Quinn Consulting Services Incorporated | Defense & federal contracting | Chantilly |
Every company in the county, with its filings and the people behind it, is read inside DealSTE. Request access.
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