Insights

Industry Scale Diamond Manufacturing operates as a large fabricator with 51-200 employees and is a wholly owned subsidiary of Reliance Steel & Aluminum, indicating strong backing and capabilities to support high-volume OEM and distributor partnerships.

Production Capabilities With over 50 machines and the ability to perforate more than 4,000 patterns at tight tolerances, there are ample opportunities to upsell custom perforation services to OEMs, service centers, and fabricators seeking precision metal solutions.

Geographic Expansion Recent facility expansion in Wyoming, PA, and a multi-location footprint across six U.S. sites present sales avenues to regional manufacturers and local job shops seeking dependable metal fabrication capacity.

Quality & Compliance Adherence to IATF 16949 and robust tech stack signals quality management and engineering rigor, making Diamond a strong partner for automotive, aerospace, and high-standard manufacturing customers seeking certified suppliers.

Growth Platform Backed by Reliance Steel & Aluminum and reporting revenue in the mid-range, Diamond is positioned to pursue larger contracts and strategic collaborations with OEMs and distributors, leveraging its website and digital presence launched in 2023 to reach new prospects.

Diamond Manufacturing Company Tech Stack

Diamond Manufacturing Company uses 8 technology products and services including QuickBooks, Google Ads, SOLIDWORKS, and more. Explore Diamond Manufacturing Company's tech stack below.

Diamond Manufacturing Company's Email Address Formats

Diamond Manufacturing Company uses at least 1 format(s):
Diamond Manufacturing Company Email FormatsExamplePercentage
FLast@diamondman.comJDoe@diamondman.com
88%
Last@diamondman.comDoe@diamondman.com
9%
First@diamondman.comJohn@diamondman.com
2%
F.Last@diamondman.comJ.Doe@diamondman.com
1%

Frequently Asked Questions

What is Diamond Manufacturing Company's phone number?

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You can contact Diamond Manufacturing Company'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 Diamond Manufacturing Company's official website and social media links?

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Diamond Manufacturing Company's official website is diamondman.com and has social profiles on LinkedIn.

How much revenue does Diamond Manufacturing Company generate?

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As of August 2026, Diamond Manufacturing Company's annual revenue is estimated to be $50M - $100M.

What is Diamond Manufacturing Company's NAICS code?

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Diamond Manufacturing Company's NAICS code is 332 - Fabricated Metal Product Manufacturing.

How many employees does Diamond Manufacturing Company have currently?

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As of August 2026, Diamond Manufacturing Company has approximately 135 employees across 3 continents, including North AmericaAsiaEurope. Key team members include Chief Executive Officer: M. N.President: D. H.President: L. M.. Explore Diamond Manufacturing Company's employee directory with LeadIQ.

What industry does Diamond Manufacturing Company belong to?

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Diamond Manufacturing Company operates in the Fabricated Metal Products industry.

What technology does Diamond Manufacturing Company use?

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Diamond Manufacturing Company's tech stack includes QuickBooksGoogle AdsSOLIDWORKSWordPressSAPNetSuitePaylocityBox.

What is Diamond Manufacturing Company's email format?

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Diamond Manufacturing Company's email format typically follows the pattern of FLast@diamondman.com. Find more Diamond Manufacturing Company email formats with LeadIQ.

When was Diamond Manufacturing Company founded?

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Diamond Manufacturing Company was founded in 1915.
Diamond Manufacturing Company logo

Diamond Manufacturing Company

Fabricated Metal ProductsPennsylvania, United States51-200 Employees

Diamond Manufacturing Company operates in the fabricated metal products sector, focusing on precision perforation of metal and related fabrication. It serves as a single-source supplier from material to finished product, addressing the needs of volume OEM buyers, local job shops, and architects, with operations across six locations in the United States. The company is a wholly owned subsidiary of Reliance Steel & Aluminum, aligning it with North America’s largest metals-solutions provider. Based in Wyoming, Pennsylvania, the operation reflects a mid-sized manufacturing profile.

In October 2022, Diamond Manufacturing expanded its Wyoming facility by adding a 30,000-square-foot production space, broadening its manufacturing capacity. The company maintains a website at diamondman.com.

Section iconCompany Overview

Phone number
NAICS Code
332 - Fabricated Metal Product Manufacturing
Founded
1915
Employees
51-200

Section iconFunding & Financials

  • $50M - $100M

    Diamond Manufacturing Company's revenue is estimated to be in the range of $50M - $100M

Section iconFunding & Financials

  • $50M - $100M

    Diamond Manufacturing Company's revenue is estimated to be in the range of $50M - $100M

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