Insights

Strategic Positioning Diamond Manufacturing operates as a wholly owned subsidiary of Reliance Steel & Aluminum, signaling strong backing in the metals supply chain and potential cross-sell opportunities to Reliance customers and vendors seeking precision perforated metal solutions.

Capacity & Capabilities With over 50 machines and the ability to perforate more than 4,000 patterns at tight tolerances, the company can accommodate high-volume OEM needs as well as custom perforation for specialty projects, making it a fit for manufacturers needing reliable scale and customization.

Geographic Expansion Recent facility expansion in Wyoming, PA, expanding footprint and production space suggests capacity for new regional OEM programs and shorter lead times for customers in the Northeast, a horizon for regional sales growth.

Digital & Ops Readiness Adoption of ERP and business tools (SAP, NetSuite, QuickBooks) plus design (SOLIDWORKS) and e-commerce (WordPress) indicates strong process maturity and potential for data-driven pricing, BOM accuracy, and faster quoting for prospective clients.

Growth Profile Revenue range ($50M–$100M) combined with multiple locations and a diversified customer base (volume OEMs, local job shops, architects) points to opportunities across sectors requiring perforated metal products, including architectural, industrial, and fabrication service centers.

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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 4 email formats:
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 October 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 October 2026, Diamond Manufacturing Company has approximately 137 employees across 3 continents, including North America, Asia and Europe. Key team members include Chief Executive Officer: M. N., President: D. H. and 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 QuickBooks, Google Ads, SOLIDWORKS, WordPress, SAP, NetSuite, Paylocity and Box.

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

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