Public record · Connecticut
Middlesex County: 114 companies on record.
The companies the public registers place in Middlesex County, Connecticut, 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 |
|---|---|
| Manufacturing | 55 |
| Defense and federal contracting | 16 |
| Healthcare — medical, dental & home health | 7 |
| Auto services — repair, collision, tire | 6 |
| Waste hauling, roll-off & recycling | 5 |
| Retail — specialty, convenience & liquor | 4 |
| Commercial & specialty contracting | 3 |
| Distribution & wholesale | 3 |
| Home construction & remodeling | 3 |
| Professional services — accounting, engineering, insurance | 3 |
| Sand and gravel | 2 |
| Trades — HVAC, plumbing, electrical, mechanical | 2 |
| Car washes & quick lube | 1 |
| Crushed stone | 1 |
| Landscaping, lawn care & grounds | 1 |
| Restaurants | 1 |
| Trucking | 1 |
| Company | Sector | City |
|---|---|---|
| Northeast Quality Services, LLC | Manufacturing | Cromwell |
| Airex Rubber Products Corporation | Defense & federal contracting | Portland |
| Bull Metal Products Co. Inc. | Manufacturing | Middletown |
| Carey Manufacturing Co. | Manufacturing | Cromwell |
| Clinton Instrument Company | Manufacturing | Clinton |
| HEICO Corp | Manufacturing | Chester |
| Sound Manufacturing, Inc | Manufacturing | Old Saybrook |
| ALL WASTE INC | Waste hauling, roll-off & recycling | HARTFORD |
| Polymer Corporation | Manufacturing | Palmer |
| Atlantic Ventilating & Equipment Co., Inc. | Manufacturing | Cromwell |
| Bourdon Forge Co INC | Defense & federal contracting | Middletown |
| Numet Acquisition Aerocision, Inc | Manufacturing | Chester |
| Bourdon Forge Company, Inc. | Manufacturing | Middletown |
| Bausch Advanced Technology Group | Manufacturing | Clinton |
| Daniel Lally | Mining & Aggregates | Portland |
| Graphite Die Mold dba Morgan Advanced Materials | Manufacturing | Durham |
| Hubbell - Ripley Tools | Manufacturing | Cromwell |
| Leggett & Platt Aerospace - Middletown | Manufacturing | Middletown |
| Polymer Corporation | Manufacturing | Middletown |
| Avantor Performance Materials, LLC. | Manufacturing | Chester |
| Norpaco, Inc. | Manufacturing | Middletown |
| SWPC Plastics, LLC | Manufacturing | Deep River |
| Winsupply | Manufacturing | MIddletown |
| American Metal Crafters LLC | Manufacturing | Middletown |
| Eb Manufacturing Co., Inc. | Manufacturing | Middletown |
| Airex Rubber Products Corp | Manufacturing | Portland |
| Bell Power Systems | Manufacturing | Essex |
| Connecticut Contract Manufacturing LLC | Manufacturing | Westbrook |
| CRELE CONSTRUCTION CORPORATION | Trades — HVAC, plumbing, electrical, mechanical | MIDDLETOWN |
| Perma Treat LLC | Manufacturing | Durham |
| RED TECHNOLOGIES LLC | Waste hauling, roll-off & recycling | PORTLAND |
| Bell Power Systems, LLC | Defense & federal contracting | Essex |
| Plastic Design International, Inc. | Manufacturing | Middletown |
| EMPIRE PAVING, INC. | Commercial & specialty contracting | NORTH HAVEN |
| Chapco, Inc. | Manufacturing | Chapco, Inc. 10 Denlar Drive Chester |
| The Rogers Manufacturing Company | Manufacturing | Rockfall |
| Aerospace Techniques Inc. | Manufacturing | Middletown |
| Bidwell Industrial Group, Inc. | Defense & federal contracting | Middletown |
| Roto Frank of America, INC | Manufacturing | Chester |
| Yvon Beaudoin Builder, Inc. | Home construction & remodeling | GLASTONBURY |
| AMERITAGE CONSTRUCTION CORP | Home construction & remodeling | MIDDLEFIELD |
| COMMON CENTS EMS SUPPLY LLC | Distribution & wholesale | OLD SAYBROOK |
| LOUIS MARINE, LTD. | Retail — specialty, convenience & liquor | WESTBROOK |
| PERSONAL AUTO CARE SERVICE CENTER, INC. | Auto services — repair, collision, tire | MIDDLETOWN |
| SAYBROOK FORD INC. | Retail — specialty, convenience & liquor | OLD SAYBROOK |
| THAMES RIVER RECYCLING, INC. | Distribution & wholesale | MIDDLETOWN |
| Thomas R Haynes | Crushed Stone & Quarries | Deep River |
| Damien Devlin | Mining & Aggregates | Middletown |
| EASTERN TRANSFER STATION LLC | Waste hauling, roll-off & recycling | DEEP RIVER |
| BRIGHTVIEW LANDSCAPE SERVICES CONNECTICUT DURHAM | Landscaping, lawn care & grounds | DURHAM |
Every company in the county, with its filings and the people behind it, is read inside DealSTE. Request access.
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