Our Data     Sample Profile     User Reviews     Compare Versions     Subscription Pricing     IndustrySelect Blog     Contact Us     Free Demo

Top 10 Manufacturing Companies in Connecticut

Posted by IndustrySelect on Tuesday, July 25, 2023

Top 10 Manufacturing Companies in Connecticut

Above: Collins Aerospace Systems in Windsor, CT, among the largest manufacturing companies in Connecticut. Source: Collins Aerospace Systems

The state of Connecticut boasts a diverse manufacturing sector, making everything from high-tech aeronautics equipment and medical devices to semiconductor components and pharmaceuticals. With its highly educated workforce and focus on advanced manufacturing, Connecticut remains a top destination for high-tech and innovative enterprises.

Today, we’re exploring some of the key facts on the state’s unique industrial sector and examining Connecticut’s ten largest manufacturing companies, based on data collected by MNI.

The Latest Facts on Connecticut’s Manufacturing Sector

According to MNI, compiler of the industrial information that powers IndustrySelect, Connecticut is currently home to 4,189  manufacturers employing  200,071 workers.

Looking to do business with Connecticut manufacturers? Reach Connecticut’s 5,300+ industrial companies and 16,000 executives with IndustrySelect, the industrial database from MNI. Click here to learn more.

According to MNI, Groton is Connecticut’s largest city based on number of industrial jobs, with 12,782 workers.

Other top cities in Connecticut include

Stratford ( 9,873 jobs)
• East Hartford (9,435 jobs)
North Haven (7,539 jobs)
Bristol (7,213 jobs)

Read more: Top Manufacturing Cities in the U.S.

Hartford County is Connecticut’s largest in terms of industrial jobs, home to 73,274 workers. This is followed by Fairfield with 56,934 workers, New Haven (50,454 jobs), New London (12,608 jobs) and Middlesex (12,155 jobs).

The transportation equipment industry is Connecticut’s largest measured by number of jobs. The transportation equipment sector accounts for 18% of the state’s industrial workforce, followed by fabricated metal products and industrial machinery, each accounting for 13%. Instrument and related products account for 9% of Connecticut’s manufacturing workforce, along with printing and publishing with 9%.

Read more: Top 10 Manufacturing States in the U.S.

MNI reports there are 15,677 executive contacts among Connecticut’s manufacturing companies, including 2,724 presidents, 1,471 owners and partners; 1,667 vice-presidents and 1,577  sales, marketing and purchasing executives.

Other facts to know about Connecticut manufacturers, based on IndustrySelect’s advanced criteria available to subscribers, include ownership, distribution and other trends. Let’s take a look:

• 2% of Connecticut manufacturers are women-owned
• 1% are minority-owned
• 7% are publicly owned companies
• 13% import raw materials
• 33% distribute their products internationally.

Next, we’ll take a look at the state’s top companies.

Top 10 Manufacturing Companies in Connecticut

Electric Boat Corp.12,000GrotonCT
The Pratt & Whitney Co., Inc.8,000East HartfordCT
Sikorsky, A Lockheed Martin Co.7,500StratfordCT
Collins Aerospace Systems4,000Windsor LocksCT
Medtronic, Inc.3,000North HavenCT
Boehringer Ingelheim Pharmaceuticals, Inc.2,700RidgefieldCT
Pratt & Whitney2,300MiddletownCT
Medtronic, Inc.2,200North HavenCT
ASML US, Inc.1,600WiltonCT
Kaman Corp.1,000BloomfieldCT

About the Top 10 Manufacturing Companies in Connecticut

1. Electric Boat Corp. (Groton, CT)

Employing 12,000 in Groton, Electric Boat Corp., a General Dynamics company, is Connecticut’s largest industrial employer. Established in 1899, Electric Boat is a major defense firm specializing in the design and production of submarines for the U.S. navy, as well as providing submarine lifecycle support.

2. The Pratt & Whitney Co., Inc. (East Hartford, CT)

A subsidiary of Raytheon, Pratt & Whitney is a global supplier of defense aircraft, employing 12,110 throughout the U.S.. With annual sales of more than $100 million, the East Hartford location functions as the company’s divisional headquarters and produces jet engines. Employing 8,000, this location ranks as Connecticut’s second largest industrial employer.

3. Sikorsky, A Lockheed Martin Co. (Stratford, CT)

Employing 7,500 employees, Sikorsky’s massive Stratford campus operates as the company’s headquarters and is Connecticut’s third-largest manufacturer measured by number of jobs. Established in 1923, This location boasts more than $7.4 billion in annual sales and produces military and commercial helicopters as well as reconnaissance aircraft, spare parts, maintenance and repair and more.

4. Collins Aerospace Systems (Windsor, CT)

Ranking fourth in the state, this Collins Aerospace Systems location in Windsor employs 4,000 and brings in roughly $5 billion in annual sales. A subsidiary of Raytheon, the company produces aerospace and industrial components and is headquartered in Charlotte, North Carolina.

5. Medtronic (North Haven, CT)

Medtronic started out as a medical equipment repair facility, founded in Minneapolis in 1949, and today is a global medical device leader with locations in 140 countries. The largest of New Haven’s two Medtronic facilities, this location on McDermott Road employs 3,000 and specializes in surgical spray adhesion barriers and suture sealants.

6. Boehringer Ingelheim Pharmaceuticals (Ridgefield, CT)

Founded in Germany in 1885, Boehringer Ingelheim Pharmaceuticals is a world leader in pharmaceutical research and production. The company’s Ridgefield location was established in 1971 and operates as the company’s U.S. headquarters, focusing on immune modulation and NBE discovery, cardiometabolic diseases and more.

7. Pratt & Whitney (Middletown, CT)

The smaller of Pratt & Whitney’s two Connecticut locations, the Middletown facility employs 2,300 and produces aircraft engines.

8. Medtronic (North Haven, CT)

North Haven’s second Medtronic facility on Middletown Avenue produces laparoscopic and arthroscopic surgical stapling as well as suture products. Established in 1964, this facility encompasses 200,000 square feet and employs 2,200.

9. ASML US, Inc. (Wilton, CT)

Established in 1985, ASML U.S., Inc. produces lithography systems for the semiconductor industry, employing 1,600 in Wilton. The company has multiple locations throughout the U.S. and its Wilton location is one of three main manufacturing tech hubs, producing water alignment sensors and DUV/EUV lithography sub-systems.

10. Kaman Corp (Bloomfield, CT)

Rounding out our top ten list Kaman Corp in Bloomfield, CT. Established in 1945, Kaman Corp. distributes electromechanical products, bearings, power transmission, motion control as well as electrical and fluid power components and employs 1,000 Connecticut workers.

Interested in other states? Browse all of our state news here.

Looking for Industrial Sales Leads in Connecticut?

For those looking to do business with manufacturers, IndustrySelect’s database of 460,000 U.S. industrial companies is a top resource for generating leads in the manufacturing sector. An IndustrySelect subscription can put you on a first-name basis with Connecticut’s 5,300 industrial companies and 16,000+ executives. Subscribers can select up to 40 data points on any manufacturing company in the U.S. to help identify or pre-qualify leads. Company profiles also include the contact information for hard-to-find executive decision-makers. Try a free demo today!


Editor's Note: This article was originall published in June 2021. It is updated annually to reflect new statistics on Connecticut's manufacturing sector. 

Want to keep up with the latest sales and marketing trends and exclusive industrial statistics from MNI? The free weekly IndustrySelect Insider email is the industry's top source for sales, marketing and industrial news you can't find anywhere else. Subscribe here.

Google NewsFollow IndustrySelect on Google News
Get 500 FREE
Industrial Leads from
Reach U.S. manufacturers, suppliers, and industrial service providers with B2B company data
Researched firsthand by real people for unparalleled accuracy and detail, trusted by over 49,000 professionals at small businesses to Fortune 500 companies
IndustrySelect is the Industrial Database
Sales • Marketing • Recruiting • Research
Check  Identify prospects by location, industry, size
Check  View complete company profiles
Check  Executive contact data with direct emails
Check  Get instant counts, build unlimited lists
Check  Export profiles to your CRM
Check  Locate top executives by name & title
Check  Collaborate with your sales team
Check  See parent company and family tree
Check  Discover a company's key competitors
Check  Uncover hidden prospects with Intent Data
Check  Clone your best customers Customer Match
Check  Pricing levels for all budgets
Check  Use on your PC, Mac, tablet, or smartphone
Get 500 FREE demo leads now!
© 2024 MNI     License Agreement     Terms of Use     Legal Information     Privacy Policy     Do Not Sell My Personal Information     Help Us Fight Data Theft