Insights

OEM Expansion Diamond Manufacturing serves volume OEM buyers and has six U.S. locations with capacity to perforate over 4,000 patterns, indicating opportunities to upsell broader fabrication services to established accounts and new OEM partnerships.

Strategic Parent As a wholly owned subsidiary of Reliance Steel & Aluminum, Diamond Manufacturing can leverage enterprise-grade procurement networks and cross-sell metal solutions to customers already engaged with Reliance’s ecosystem.

Growth Footprint Recent facility expansion including a 30,000-square-foot addition in Wyoming, PA and multiple site presence create leverage points for regional sales campaigns targeting nearby OEMs and fabrication shops seeking scalable perforation capabilities.

Quality & Compliance ISO 9001 certification and a proven ability to meet tight tolerances position Diamond Manufacturing as a reliable partner for high-precision perforated metal needs, enabling targeting of quality-conscious manufacturers and aerospace/industrial segments.

Digital & Accessibility New website launch and ongoing digital presence improve discoverability for OEMs, fabricators, service centers, and distributors; opportunities exist to strike partnerships through online channels, broadening inbound inquiries and cross-sell of custom perforation services.

Similar companies to Diamond Manufacturing Company

Diamond Manufacturing Company Tech Stack

Diamond Manufacturing Company uses 8 technology products and services including ISO 9001, gstatic.com, Cloudflare CDN, and more. Explore Diamond Manufacturing Company's tech stack below.

  • ISO 9001
    Certificates
  • gstatic.com
    Content Delivery Network
  • Cloudflare CDN
    Content Delivery Network
  • Cloudflare
    Content Management System
  • WordPress
    Content Management System
  • MySQL
    Database
  • Oracle
    Enterprise
  • Paylocity
    Recruitment Marketing

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?

Minus sign iconPlus sign icon
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?

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

What is Diamond Manufacturing Company's NAICS code?

Minus sign iconPlus sign icon
Diamond Manufacturing Company's NAICS code is 332 - Fabricated Metal Product Manufacturing.

How many employees does Diamond Manufacturing Company have currently?

Minus sign iconPlus sign icon
As of July 2026, Diamond Manufacturing Company has approximately 133 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?

Minus sign iconPlus sign icon
Diamond Manufacturing Company operates in the Fabricated Metal Products industry.

What technology does Diamond Manufacturing Company use?

Minus sign iconPlus sign icon
Diamond Manufacturing Company's tech stack includes ISO 9001gstatic.comCloudflare CDNCloudflareWordPressMySQLOraclePaylocity.

What is Diamond Manufacturing Company's email format?

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
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

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.