Insights

Diverse Industry Reach Stewart EFI serves a broad range of sectors including automotive, electric vehicles, electrical, electronics, medical, consumer, and specialty batteries, presenting multiple avenues for tailored manufacturing solutions.

Global Manufacturing Footprint With facilities in Connecticut, Texas, and a joint venture in Hangzhou, China, Stewart EFI offers international production capabilities that can support OEMs and suppliers seeking onshore and nearshore manufacturing options.

Stable Revenue Base Generating between 50 and 100 million dollars annually, Stewart EFI demonstrates solid financial health and capacity for scaled projects, making it a reliable partner for large-volume contracts.

Innovation and Technology The company's emphasis on advanced manufacturing technologies and value-added services like engineering and prototype fabrication can meet high-precision requirements for innovative product development.

Growth and Leadership Recent leadership promotions and a history of growth in all areas signal an active company culture focused on operational excellence, which can translate into reliable execution of complex manufacturing orders.

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Stewart EFI, LLC Tech Stack

Stewart EFI, LLC uses 8 technology products and services including Joomla, MooTools, Chart.js, and more. Explore Stewart EFI, LLC's tech stack below.

  • Joomla
    Content Management System
  • MooTools
    Javascript Frameworks
  • Chart.js
    Javascript Graphics
  • PHP
    Programming Languages
  • X-XSS-Protection
    Security
  • X-Content-Type-Options
    Web & Portal Technology
  • Google Analytics
    Web Analytics
  • Apache HTTP Server
    Web Servers

Stewart EFI, LLC's Email Address Formats

Stewart EFI, LLC uses at least 1 format(s):
Stewart EFI, LLC Email FormatsExamplePercentage
FLast@stewartefi.comJDoe@stewartefi.com
77%
First.Last@stewartefi.comJohn.Doe@stewartefi.com
14%
LFirst@stewartefi.comDJohn@stewartefi.com
6%
F.Last@stewartefi.comJ.Doe@stewartefi.com
3%

Frequently Asked Questions

Where is Stewart EFI, LLC's headquarters located?

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Stewart EFI, LLC's main headquarters is located at 45 Old Waterbury Road Thomaston, Connecticut 06787 United States. The company has employees across 1 continents, including North America.

What is Stewart EFI, LLC's phone number?

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You can contact Stewart EFI, LLC's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Stewart EFI, LLC's official website and social media links?

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Stewart EFI, LLC's official website is stewartefi.com and has social profiles on LinkedIn.

How much revenue does Stewart EFI, LLC generate?

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As of April 2026, Stewart EFI, LLC's annual revenue is estimated to be $68M.

What is Stewart EFI, LLC's SIC code NAICS code?

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Stewart EFI, LLC's SIC code is 3469 - Metal Stampings, Not Elsewhere Classified NAICS code is 31-33 - Manufacturing.

How many employees does Stewart EFI, LLC have currently?

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As of April 2026, Stewart EFI, LLC has approximately 79 employees across 1 continents, including North America. Key team members include Chief Executive Officer: D. S.Chief Financial Officer: T. R.President & Coo: C. E. C.. Explore Stewart EFI, LLC's employee directory with LeadIQ.

What industry does Stewart EFI, LLC belong to?

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Stewart EFI, LLC operates in the Manufacturing industry.

What technology does Stewart EFI, LLC use?

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Stewart EFI, LLC's tech stack includes JoomlaMooToolsChart.jsPHPX-XSS-ProtectionX-Content-Type-OptionsGoogle AnalyticsApache HTTP Server.

What is Stewart EFI, LLC's email format?

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Stewart EFI, LLC's email format typically follows the pattern of FLast@stewartefi.com. Find more Stewart EFI, LLC email formats with LeadIQ.

When was Stewart EFI, LLC founded?

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Stewart EFI, LLC was founded in 1936.

Stewart EFI, LLC

ManufacturingConnecticut, United States51-200 Employees

Stewart EFI is an acknowledged leader in the precision metal stamping industry with deep drawn, progressive, slide-forming, and automated assembly capabilities.The company is seeing significant growth in all areas.

Our people, and parts make the world a better place every day, with over two billion parts shipped annually. The headquarters are in Thomaston, CT and there are three manufacturing facilities: Thomaston, CT, El Paso, TX and a joint venture facility in Hangzhou, China.

The original company was founded in New York City in 1936 as Stewart Stamping.  Eyelets for Industry, Inc (known as EFI) was founded in 1964 in Waterbury, CT. Stewart Stamping and EFI joined forces in 2003 to become Stewart EFI. We have been serving our customers for over 85 years.

Today, we serve customers in a wide range of industrial sectors, including automotive, electric vehicles, electrical, electronics, medical, consumer, and specialty batteries. In addition to providing deep-drawn components, progressive die stampings, slide formed components and automated assemblies, we offer value-added services that include engineering services, prototype fabrication, and other secondary operations.

Our clear focus on quality, value, and customer service is supported by a full-range of capabilities, processes, and systems, from design to high-volume production delivered on-time and at very competitive prices. We achieve these critical results by partnering with our suppliers and leveraging the most advanced manufacturing technologies to drive waste and inefficiencies out of the process.

Critical to our success and ultimately that of our customers, are the people of Stewart EFI who bring a shared commitment to innovation, productivity and excellence every workday. Their efforts are guided by our unifying principles to lead by example, be action-oriented, process driven, disciplined and focused, and always to refuse to accept mediocrity.

Section iconCompany Overview

Headquarters
45 Old Waterbury Road Thomaston, Connecticut 06787 United States
Phone number
SIC Code
3469 - Metal Stampings, Not Elsewhere Classified
NAICS Code
31-33 - Manufacturing
Founded
1936
Employees
51-200

Section iconFunding & Financials

  • $50M$100M

    Stewart EFI, LLC's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    Stewart EFI, LLC's revenue is estimated to be in the range of $50M$100M

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