Insights

Diversified End Markets Lock Joint Tube serves a wide range of sectors including healthcare, automotive, office and institutional furnishings, and retail display, indicating cross-sell opportunities for tubing across multiple existing and new customers within those segments.

Expansion Momentum Recent acquisitions and facility expansions, including the De Pere Wisconsin facility purchase and Texas office growth, suggest a sales path to support integration of new product lines and broaden geographic reach to OEMs and fabricators.

Solar Supply Alignment Strategic partnerships with solar tracker providers and a new Texas steel mill dedicated to utility-scale tubing indicate a climate of rising demand for mechanical tubing in renewable energy installations, presenting a target for long-term supply contracts.

End-User Documentation Industry mentions of critical dimensions and surface finishes imply opportunities to upsell premium finishes, tighter tolerances, and engineering support services to fabricators and OEMs seeking reliability and compliance.

Revenue Scale With a revenue range of 100–250 million and a mid-size employee base, Lock Joint Tube is positioned to win mid-market contracts from similar tier suppliers and leverage existing manufacturing capabilities to capture share from peers.

Lock Joint Tube Tech Stack

Lock Joint Tube uses 8 technology products and services including Cloudflare Web Optimizations, Cloudflare CDN, DNS Made Easy, and more. Explore Lock Joint Tube's tech stack below.

  • Cloudflare Web Optimizations
    Analytics
  • Cloudflare CDN
    Content Delivery Network
  • DNS Made Easy
    Domain Name Services
  • Mailgun
    Email
  • Font Awesome
    Font Scripts
  • HTTP/3
    Web & Portal Technology
  • X-Content-Type-Options
    Web & Portal Technology
  • Google Analytics
    Web Analytics

Media & News

Lock Joint Tube's Email Address Formats

Lock Joint Tube uses at least 1 format(s):
Lock Joint Tube Email FormatsExamplePercentage
First.Last@ljtube.comJohn.Doe@ljtube.com
67%
LastF@ljtube.comDoeJ@ljtube.com
20%
F.Last@ljtube.comJ.Doe@ljtube.com
11%
Last@ljtube.comDoe@ljtube.com
2%

Frequently Asked Questions

What is Lock Joint Tube's phone number?

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You can contact Lock Joint Tube'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 Lock Joint Tube's official website and social media links?

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Lock Joint Tube's official website is ljtube.com and has social profiles on LinkedIn.

What is Lock Joint Tube's NAICS code?

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Lock Joint Tube's NAICS code is 31-33 - Manufacturing.

How many employees does Lock Joint Tube have currently?

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As of July 2026, Lock Joint Tube has approximately 206 employees across 1 continents, including North America. Key team members include President: L. H.Owner: J. R.Executive Vice President: M. L.. Explore Lock Joint Tube's employee directory with LeadIQ.

What industry does Lock Joint Tube belong to?

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Lock Joint Tube operates in the Manufacturing industry.

What technology does Lock Joint Tube use?

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Lock Joint Tube's tech stack includes Cloudflare Web OptimizationsCloudflare CDNDNS Made EasyMailgunFont AwesomeHTTP/3X-Content-Type-OptionsGoogle Analytics.

What is Lock Joint Tube's email format?

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Lock Joint Tube's email format typically follows the pattern of First.Last@ljtube.com. Find more Lock Joint Tube email formats with LeadIQ.

When was Lock Joint Tube founded?

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Lock Joint Tube was founded in 1919.
Lock Joint Tube logo

Lock Joint Tube

ManufacturingIndiana, United States201-500 Employees

Lock Joint Tube is a metal tubing manufacturer that produces mechanical and structural grade steel tubing using hot rolled, cold rolled, aluminized, and galvanized steels. The company serves fabricators, distributors, and OEMs across multiple market segments, supplying products used in healthcare facilities, automotive components, office and institutional furnishings, and retail fixtures, among others. Its offerings support critical dimensions, surface finishes, and fabrication requirements, addressing the needs of customers who require reliable structural tubes for diverse applications. Based in South Bend, Indiana, Lock Joint Tube operates as part of the broader manufacturing sector and has locations beyond its home base, reflecting expansion activity in recent years. In the market, the company is positioned as a supplier of versatile steel tubing for both standard and specialized structural and mechanical applications. A notable recent development is the acquisition of a manufacturing facility and product line in De Pere, Wisconsin, which indicates ongoing expansion of its production footprint.

Section iconCompany Overview

Phone number
Website
ljtube.com
NAICS Code
31-33 - Manufacturing
Founded
1919
Employees
201-500

Section iconFunding & Financials

  • $100M$250M

    Lock Joint Tube's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    Lock Joint Tube's revenue is estimated to be in the range of $100M$250M

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