Companies 1–50 of 200
A–Z by legal name| Company | Registry number | Registered | Status | City |
|---|---|---|---|---|
| Adaptavist Inc. | 3451809 | 2026-05-28 | Active | Reston |
| ADMMICRO LLC | 0989269 | 2009-11-30 | Withdrawn | Reston |
| AFFINAQUEST, LLC | 1297516 | 2019-01-28 | Withdrawn | Reston |
| ALFABET USA, INC. | 3121715 | 2024-12-23 | Active | RESTON |
| ALLIANCE MEP ENGINEERS NE, INC. | 1165838 | 2015-01-13 | Withdrawn | RESTON |
| ALLIANCE MEP ENGINEERS, INC. | 1269128 | 2018-04-05 | Active | RESTON |
| ALLIANCE STRUCTURAL ENGINEERS, INC. | 1061216 | 2012-02-02 | Active | RESTON |
| Amount Small Business LLC | 2357979 | 2021-10-05 | Withdrawn | Reston |
| Applied Enterprise Management Corporation | 1176823 | 2015-05-13 | Active | Reston |
| Architecture, Inc. | 2938054 | 2024-02-28 | Active | Reston |
| ARIS USA, INC. | 3095480 | 2024-10-30 | Active | RESTON |
| ARK SOLUTIONS, INC. | 1269162 | 2018-04-05 | Withdrawn | RESTON |
| ASRC Federal Business Innovation, LLC | 3377167 | 2026-03-04 | Active | Reston |
| ASRC FEDERAL HOLDING COMPANY, LLC | 1276671 | 2018-06-19 | Active | Reston |
| ASRC Federal Technology Solutions, LLC | 3186847 | 2025-03-31 | Unknown | reston |
| ASRC Federal Technology Solutions, LLC | 3278219 | 2025-08-25 | Active | Reston |
| AUDI OF AMERICA, LLC | 3429147 | 2026-04-22 | Active | RESTON |
| AUTOMOBILI LAMBORGHINI AMERICA, LLC | 0897799 | 2007-04-30 | Active | Reston |
| AVIZIA, INC. | 1249854 | 2017-09-14 | Revoked | RESTON |
| B 3 GROUP, INC. | 1274640 | 2018-05-29 | Withdrawn | Reston |
| BABEL STREET, INC. | 1301495 | 2019-03-07 | Active | Reston |
| BECHTEL CONSTRUCTION COMPANY | 0152471 | 1984-02-02 | Withdrawn | RESTON |
| BECHTEL CONSTRUCTION OPERATIONS INCORPORATED | 0723549 | 2002-08-19 | Active | Reston |
| BECHTEL GLOBAL CORPORATION | 1087861 | 2012-11-01 | Active | RESTON |
| BECHTEL INFRASTRUCTURE AND POWER CORPORATION | 0878711 | 2006-11-13 | Active | RESTON |
| BECHTEL INFRASTRUCTURE CORPORATION | 0275580 | 1992-07-22 | Active | RESTON |
| Bechtel Manufacturing & Technology, Inc. | 2764693 | 2023-06-05 | Active | Reston |
| BECHTEL MARINE PROPULSION CORPORATION | 0979577 | 2009-08-07 | Withdrawn | RESTON |
| BECHTEL NATIONAL, INC. | 0133834 | 1982-08-31 | Active | RESTON |
| BECHTEL POWER CORPORATION | 0004642 | 1972-11-30 | Active | RESTON |
| BENTLEY MOTORS, INC. | 1075206 | 2012-06-18 | Active | Reston |
| BERGONZI KIDS, LLC | 1285578 | 2018-09-21 | Active | Reston |
| BETTER WORLD TELECOM, INC. | 0707571 | 2002-03-05 | Withdrawn | RESTON |
| BETTERWORLD TELECOM, LLC | 0749968 | 2003-05-28 | Revoked | RESTON |
| BLACKBOARD INC. (DE) | 1234029 | 2017-03-28 | Withdrawn | Reston |
| BOWMAN CONSULTING GROUP LTD. | 1264715 | 2018-02-07 | Active | RESTON |
| Bowman Payroll Services LLC | 3038734 | 2024-07-16 | Active | Reston |
| Boyle Law, PLLC | 3264715 | 2025-07-29 | Active | Reston |
| BRIDGESTREET CORPORATE HOUSING, LLC | 0955408 | 2008-11-19 | Revoked | RESTON |
| BSI GROUP AMERICA INC. | 0652820 | 2000-05-26 | Active | Reston |
| BT FEDERAL INC. | 1278102 | 2018-06-29 | Active | RESTON |
| CABLE & WIRELESS GLOBAL MARKETS, INC. | 0618834 | 1999-04-16 | Withdrawn | RESTON |
| CACI LGS INNOVATIONS LLC | 0889259 | 2007-02-20 | Active | Reston |
| CACI NSS, LLC | 1281008 | 2018-08-03 | Active | Reston |
| CACI TECHNOLOGIES, LLC | 1280022 | 2018-07-24 | Active | RESTON |
| CACI, INC. - FEDERAL | 0804783 | 2004-12-13 | Active | Reston |
| CAPGEMINI CYBERSECURITY TECHNOLOGIES, LLC | 1268233 | 2018-04-02 | Withdrawn | RESTON |
| Carahsoft Technology Corp. | 3351672 | 2026-01-30 | Active | RESTON |
| Case Healthcare Solutions, Inc. | 2471714 | 2022-03-01 | Revoked | Reston |
| CENTENNIAL CONTRACTORS ENTERPRISES, INC. | 1319970 | 2019-09-03 | Active | Reston |
Reston registrations by year
41 yearsOther cities in Connecticut
60 largestStamford36,354Hartford25,571bridgeport24,503New Haven21,253Norwalk19,850Danbury19,711Greenwich18,341Waterbury16,378Glastonbury15,290Fairfield13,883West Hartford13,121Westport12,089Milford10,825New York10,245hamden10,142New Britain8,631Stratford8,562Shelton8,186meriden7,922Manchester7,832East Hartford7,291Bristol7,267Wallingford7,145west haven7,105Middletown6,683Trumbull6,617Branford6,510Farmington5,522Ridgefield5,444Darien5,411New Canaan5,395North Haven5,305Windsor4,900Cheshire4,849Wilton4,794Southington4,704New Milford4,602Guilford4,597Bloomfield4,538Avon4,464Newington4,414South Windsor4,336torrington4,169Wilmington4,077Enfield4,063Rocky Hill4,036Naugatuck3,947Monroe3,905Bethel3,860norwich3,828Brookfield3,778Wethersfield3,771Madison3,736East Haven3,728New London3,704Newtown3,388Orange3,366Southbury3,356Brooklyn3,352Plainville3,107