| # | Company | Employees |
|---|---|---|
| 1 |
vineyard vinesvineyardvines.com
Family-founded American retailer offering clothing and accessories through over one hundred stores, e-commerce, and major department stores focused on comfortable, celebratory lifestyle apparel. |
1,745 |
| 2 |
Stew Leonard's Farm Fresh Foodstewleonards.com
Family-owned grocery business with multiple stores offering excellent customer service, quality products, and engaging in-store experiences for shoppers |
1,042 |
| 3 |
TRUMPF North Americatrumpf.com
Leading provider of sheet metal fabrication machinery and industrial lasers, focusing on innovative, networked manufacturing solutions in North America. |
987 |
| 4 |
Waterworkswaterworks.com
A company specializing in bath & kitchen products, offering expertise, service, and innovation with a rich heritage since 1925 Join for rewarding opportunities |
935 |
| 5 |
Bozzuto's Incbozzutos.com
A leading food and household products wholesale distributor in the northeastern US, recognized for excellence and active support of Special Olympics |
902 |
| 6 |
LATICRETE Internationaleu.laticrete.com
Manufactures construction solutions: tile, masonry, flooring finishes, concrete chemicals, restoration systems; offers sustainable products for LEED certification with strong warranties. |
694 |
| 7 |
DATTCO, INCdattco.com
A third-generation transportation enterprise providing school bus services, motor coach charters, vehicle maintenance, repair, and sales, as well as implementing eco-friendly initiatives |
686 |
| 8 | 650 | |
| 9 | 615 | |
| 10 |
O&G Industries, Inc.ogind.com
A leading construction company in Connecticut, providing services and products to clients nationally, specializing in green building practices since 1923 |
540 |
| 11 |
New Castle Hotels & Resortsnewcastlehotels.com
A leading hotel management company with 40 years of experience operating upscale properties for Marriott, Hilton, and Choice brands, as well as unique independent properties |
492 |
| 12 |
Utopia Home Care, Inc.utopiahomecare.com
A family-owned home care agency founded in 1983, providing a range of medical and non-medical services with a focus on compassionate care |
483 |
| 13 |
Deutsch Family Wine & Spiritsdeutschfamily.com
A family-owned company founded in 1981, specializing in marketing quality wines and spirits from prestigious families around the world |
420 |
| 14 |
Ulbrich Stainless Steels & Special Metals, Inc.ulbrich.com
Global manufacturer of precision metal products, processing over 180 alloys into custom strip, wire, sheet, plate, bar, foil, and ribbon products for various industries |
344 |
| 15 |
Ring's End, Inc.ringsend.com
A family-run building materials retailer in Connecticut, Rhode Island, and New York, providing services to builders, contractors, architects, and homeowners since 1902 |
337 |
| 16 |
Data-Maildata-mail.com
A full-service data processing, printing, and direct mail company with capabilities in digital and offset printing, personalized mailings, and multi-channel services |
331 |
| 17 |
SSC, Inc.smgcorporateservices.com
A fourth-generation family-owned business offering security, training, background screening, investigations, cleaning, janitorial, and property maintenance services Providing Reliability At Every Level |
326 |
| 18 |
United Steelunitedsteel.com
A leading New England metal fabricator and erector producing 10,000+ tons of steel annually, offering excellence, safety, and award-winning projects |
279 |
| 19 |
Connecticut Spring & Stampingctspring.com
Engineering-driven manufacturer of springs, stampings, wire forms, and more for various industries worldwide with a strong focus on quality and customer satisfaction |
267 |
| 20 |
FCP Eurofcpeuro.com
Online retailer specializing in genuine, aftermarket, OEM, and performance parts for European cars with extensive inventory and fast shipping. |
255 |
| 21 |
Bigelow Teabigelowtea.com
Produces and markets over 150 varieties of specialty teas including flavored, traditional, green, organic, herbal, decaffeinated, and iced teas. |
253 |
| 22 |
Hoffman Auto Grouphoffmanauto.com
This longstanding family-owned automotive group in Connecticut offers a customer-centric experience with nine top brands, robust community involvement, and diverse business departments |
235 |
| 23 |
CENTURY 21 AllPoints Realtycthomeseekers.com
Real estate brokerage partnership in two states offering tools, technology, training, and support to over 500 agents for top-quality service |
225 |
| 24 |
Benderbenderplumbing.com
A family-owned company providing home design products and support for local tradesmen, with a focus on exceptional service and customer collaboration |
221 |
| 25 |
O.F. Mossberg & Sons, Inc.mossberg.com
Established in 1919, this family-owned firearms manufacturer is known for its innovative designs and as the largest pump-action shotgun manufacturer worldwide |
206 |
| 26 |
Highland Park Markethighlandparkmarket.com
A family-owned grocery chain near Hartford, CT, focused on providing high-quality products, exceptional service, and strong community involvement |
190 |
| 27 |
ARBURG, Inc.arburg.com
A leading manufacturer of plastic processing machines, offering injection molding machines, industrial additive manufacturing, robotic systems, and turnkey solutions worldwide |
106 |
| 28 |
HORST Engineeringhorstengineering.com
Contract manufacturer specializing in precision machined components for aerospace and high technology industries, offering services such as Swiss screw machining, turning, milling, and assembly |
95 |
| 29 |
Mitchell Storesmitchells.mitchellstores.com
Family-owned luxury retail business, offering men's and women's fashion in multiple locations, including award-winning stores, with a focus on exceptional customer service |
83 |
| 30 |
Hartley & Parkerhartleyandparker.com
A family-run Connecticut distributor of over 6,000 global fine wine and spirit brands, committed to exceptional service and strong relationships |
77 |
| 31 |
Synectic Product Development (A MACK Molding Company)synectic.net
A full-service product development company specializing in design, research, development, and manufacturing with over 100 years of combined experience |
39 |
| 32 |
DiMatteo Insurancecrossagency.com
A family-owned business offering a wide range of insurance, financial, and tax services with a focus on exceptional customer service They also support various charitable organizations |
34 |
| 33 |
Southridgesouthridge.com
Financial holding company specializing in direct investments and services for small and middle market companies worldwide, offering personalized strategic business and financial solutions |
34 |
| 34 |
Component Engineers Incceiprecision.com
A second-generation family-owned company providing critical component design, development, and production for various industries with expertise in stamping, CNC machining, and assemblies |
32 |
| 35 |
Leipold, Inc.leipold.com
Precision turning company with 45 skilled employees, part of a family-owned group with 450+ employees, specializing in high-quality, close-tolerance components for various industries globally |
25 |
| 36 |
Colonial Properties, Inc.colprop.com
A full service real estate brokerage in New Haven County, Connecticut, offering commercial, investment, and residential property transactions for over 35 years |
20 |
| 37 |
Wentworth-DeAngelis & Kaufman Insurancewdkins.com
A full service insurance brokerage firm offering personalized solutions for individuals, businesses, and non-profit agencies, with a focus on excellent service and client satisfaction |
11 |
| 38 |
BonJo Coffee Roastersbonjocoffee.com
Family-owned coffee roasting company in Stamford, CT since 1981 Sources, roasts, and provides quality coffee to cafes, restaurants, hotels, and retailers in CT and NY |
6 |
| 39 |
Rothman Real Estate, LLCrothmanrentals.com
A family-owned real estate company with 35+ years of experience in residential sales, management, rentals, and assisting individuals in becoming real estate agents |
4 |
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 2, 2026.
More company lists in Connecticut
- The largest companies in Connecticut 1,250
- Financial services firms in Connecticut 173
- Manufacturers in Connecticut 143
- Financial Services companies in Connecticut 94
- Education providers in Connecticut 92
- Hardware manufacturers in Connecticut 86
- Critical infrastructure operators in Connecticut 85
- Healthcare providers in Connecticut 79
- Hospitals and Health Care companies in Connecticut 76
- Retail chains in Connecticut 72
- Investment Management companies in Connecticut 72
- Venture capital and private equity firms in Connecticut 66
- Aerospace and defence companies in Connecticut 58
- IT Services and IT Consulting companies in Connecticut 57
- IT services companies in Connecticut 51
- Publicly traded companies in Connecticut 49
- Insurance companies in Connecticut 45
- Contract manufacturers in Connecticut 44
- SaaS companies in Connecticut 44
- Higher Education companies in Connecticut 43
- Public sector organisations in Connecticut 42
- Consulting firms in Connecticut 37
- Energy companies in Connecticut 37
- Primary and Secondary Education companies in Connecticut 34
The same list elsewhere in United States
- Family-owned companies in the United States 3,000
- Family-owned companies in California 264
- Family-owned companies in New York State 256
- Family-owned companies in Texas 231
- Family-owned companies in Illinois 167
- Family-owned companies in Ohio 145
- Family-owned companies in Florida 144
- Family-owned companies in Pennsylvania 130
- Family-owned companies in Michigan 120
- Family-owned companies in Wisconsin 116
- Family-owned companies in New Jersey 97
- Family-owned companies in Missouri 84
- Family-owned companies in Minnesota 81
- Family-owned companies in North Carolina 79
- Family-owned companies in Massachusetts 74
- Family-owned companies in Washington State 73
- Family-owned companies in Indiana 71
- Family-owned companies in Georgia 62
- Family-owned companies in Alabama 61
- Family-owned companies in Oregon 54
- Family-owned companies in Virginia 51
- Family-owned companies in Tennessee 43
- Family-owned companies in New York 100
- Family-owned companies in Houston 45