Verified Nov 2026
Thermal & Fluid Systems
·
Wyoming, Pennsylvania
·
Since 1915
Diamond Manufacturing Company is North America’s perforator and a metal fabricator specializing in perforated metal products for various industrial applications. Founded in 1915 in Wyoming, Pennsylvania, the company originally produced sizing screens for the coal mining industry Focuses on Thermal & Fluid Systems. Team size: 200-500.
Diamond Manufacturing Company at a glance
Revenue
$10-50M
Est. band
Employees
200-500
Founded
1915
Headquarters
Wyoming, Pennsylvania
Certifications
ISO 9001
Import activity
11
Industries
Automotive
Electric Vehicles
Construction
Medical
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
11
Named foreign suppliers
6
Top origins
Belgium · Netherlands · Taiwan · Turkey
Shared foreign counterparties do not establish that these companies buy from Diamond Manufacturing Company.
What this tells a buyer
Active importer with 11 customs-documented shipments.
Certified: ISO 9001 | Capabilities: manufacturing, perforating, fabrication.
Reliance Steel subsidiary.
Source: US customs bill-of-lading records and public filings · Last verified Nov 03, 2026
STABILITY SIGNALS
Established & active
111 years in operation (founded 1915).
11 US import shipments on record.
Holds ISO 9001 certification(s) per its site.
Overview
Diamond Manufacturing Company is North America’s perforator and a metal fabricator specializing in perforated metal products for various industrial applications. Founded in 1915 in Wyoming, Pennsylvania, the company originally produced sizing screens for the coal mining industry Focuses on Thermal & Fluid Systems. Team size: 200-500.
At a glance
Attribute | Detail |
|---|---|
Founded | 1915 |
Headquarters | Wyoming, Pennsylvania |
Employees | 200-500 |
Revenue | $10-50M (estimated) |
Primary capability | Thermal & Fluid Systems |
Certifications | ISO 9001 |
What Diamond Manufacturing Company makes
Certified: ISO 9001 | Capabilities: manufacturing, perforating, fabrication. Diamond Manufacturing Company lists ISO 9001 on its site; buyers should confirm the certified scope of the specific producing plant.
Trade and customs footprint
Active importer with 11 customs-documented shipments. US customs bill-of-lading records list 11 inbound shipments across 6 foreign suppliers, with top origins including Belgium · Netherlands · Taiwan · Turkey.
Company details
Reliance Steel subsidiary. Diamond Manufacturing Company was founded in 1915, has an estimated 200-500 employees, and is headquartered in Wyoming, Pennsylvania. On the LightSource stability read it is rated "Established & active": 111 years in operation (founded 1915). 11 US import shipments on record. Holds ISO 9001 certification(s) per its site.
Frequently asked questions
What does Diamond Manufacturing Company make?
Diamond Manufacturing Company is North America’s perforator and a metal fabricator specializing in perforated metal products for various industrial applications. Founded in 1915 in Wyoming, Pennsylvania, the company originally produced sizing screens for the coal mining industry Focuses on Thermal & Fluid Systems. Team size: 200-500.
Where is Diamond Manufacturing Company headquartered?
Diamond Manufacturing Company is headquartered in Wyoming, Pennsylvania (243 W 8th St, Wyoming, Pennsylvania, 18644).
When was Diamond Manufacturing Company founded?
Diamond Manufacturing Company was founded in 1915.
How big is Diamond Manufacturing Company?
Diamond Manufacturing Company has an estimated 200-500 employees, with revenue in the $10-50M range (estimated).
What certifications does Diamond Manufacturing Company hold?
Diamond Manufacturing Company lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Diamond Manufacturing Company import from overseas suppliers?
US customs bill-of-lading records show 11 inbound shipments for Diamond Manufacturing Company, with top origins including Belgium · Netherlands · Taiwan · Turkey.
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Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
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