Insights

Diverse Market Reach Lock Joint Tube serves hospitals, automotive, office furniture, retail, and residential markets with mechanical and structural steel tubing, indicating multiple cross-sell opportunities across industries that rely on durable tubing components.

Expansion Catalysts Recent acquisitions and facility investments in Wisconsin and Texas signal growth momentum and increased capacity, presenting opportunities to upsell larger orders, broaden product lines, and establish longer-term supply agreements.

Integrated Design Use of CAD tools (AutoCAD, SOLIDWORKS) and design collaboration capabilities suggest potential for early engagement in design-for-manufacture discussions to secure preferred supplier status with OEMs and fabricators.

Supply Assurance Recent partnerships and capacity expansions, plus a broad compatibility with hot rolled, cold rolled, aluminized and galvanized steels, position LJT as a reliable source for diversified tubular needs across industries with complex sourcing requirements.

Tech-Driven Outreach Adoption of modern HR and marketing tech (iCIMS, Brevo, KnowBe4) indicates a matured digital footprint; leverage for targeted campaigns to fabricators, distributors, and OEMs seeking certified, scalable tubing suppliers.

Similar companies to Lock Joint Tube

Lock Joint Tube Tech Stack

Lock Joint Tube uses 8 technology products and services including iCIMS, AutoCAD, SOLIDWORKS, and more. Explore Lock Joint Tube's tech stack below.

Media & News

Lock Joint Tube's Email Address Formats

Lock Joint Tube uses at least 4 email formats:
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.

How much revenue does Lock Joint Tube generate?

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As of October 2026, Lock Joint Tube's annual revenue is estimated to be $100M - $250M.

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 October 2026, Lock Joint Tube has approximately 216 employees across 3 continents, including North America, Asia and Europe. Key team members include President: L. H., Owner: J. R. and 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 iCIMS, AutoCAD, SOLIDWORKS, Mailgun, Microsoft 365, Element UI, Brevo and KnowBe4.

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

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