Insights

Scale and breadth Marmon/Keystone operates with a large inventory and expansive distribution network, offering over 9,500 items across carbon, alloy, stainless steel, and aluminum products plus 27+ service centers. This positions them as a one-stop supplier capable of supporting large, diversified manufacturing buys and just-in-time needs.

Valueโ€‘added support Beyond raw material supply, they provide precision cutting, laser cutting, machining, custom fabrication, welding, coating, assembly, and dedicated inventory/kitting programs. This creates opportunities to move customers toward consolidated sourcing and reduce downstream fabrication burdens.

Global reach locally With 27 distribution centers across the United States, Canada, and Mexico and a large warehouse footprint, Marmon/Keystone can support regional customers with fast, reliable delivery and localized service, which is ideal for manufacturers with North American footprints.

Financial stability Revenue is in the mid single to upper mid hundreds of millions, indicating solid scale and purchasing power. This stability can appeal to customers seeking longโ€‘term supplier partnerships and favorable terms for highโ€‘volume or multiโ€‘site projects.

Digital and quality focus The company maintains ISO 9001 certification and utilizes established tech like NetSuite for ERP and Cloudflare services for digital reliability. This suggests strong operational discipline and potential for streamlined procurement integrations and data-driven sourcing conversations.

Marmon/Keystone LLC Tech Stack

Marmon/Keystone LLC uses 8 technology products and services including ISO 9001, Cloudflare CDN, WordPress, and more. Explore Marmon/Keystone LLC's tech stack below.

  • ISO 9001
    Certificates
  • Cloudflare CDN
    Content Delivery Network
  • WordPress
    Content Management System
  • NetSuite
    E-commerce
  • jQuery Migrate
    Javascript Libraries
  • Slider Revolution
    Miscellaneous
  • reCAPTCHA
    Security
  • Cloudflare Insights
    Web Analytics

Marmon/Keystone LLC's Email Address Formats

Marmon/Keystone LLC uses at least 1 format(s):
Marmon/Keystone LLC Email FormatsExamplePercentage
FLast@marmonkeystone.comJDoe@marmonkeystone.com
90%
Last@marmonkeystone.comDoe@marmonkeystone.com
8%
F.Last@marmonkeystone.comJ.Doe@marmonkeystone.com
1%
First.Last@marmonkeystone.comJohn.Doe@marmonkeystone.com
1%

Frequently Asked Questions

What is Marmon/Keystone LLC's phone number?

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You can contact Marmon/Keystone LLC'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 Marmon/Keystone LLC's official website and social media links?

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Marmon/Keystone LLC's official website is marmonkeystone.com and has social profiles on LinkedIn.

How much revenue does Marmon/Keystone LLC generate?

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As of July 2026, Marmon/Keystone LLC's annual revenue is estimated to be $250M - $500M.

What is Marmon/Keystone LLC's NAICS code?

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Marmon/Keystone LLC's NAICS code is 4235 - Metal and Mineral (except Petroleum) Merchant Wholesalers.

How many employees does Marmon/Keystone LLC have currently?

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As of July 2026, Marmon/Keystone LLC has approximately 540 employees across 2 continents, including North AmericaAsia. Key team members include Chief Executive Officer: J. B.Chief Technology Officer: N. M.Vice President Operations North America: J. N.. Explore Marmon/Keystone LLC's employee directory with LeadIQ.

What industry does Marmon/Keystone LLC belong to?

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Marmon/Keystone LLC operates in the Wholesale Metals and Minerals industry.

What technology does Marmon/Keystone LLC use?

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Marmon/Keystone LLC's tech stack includes ISO 9001Cloudflare CDNWordPressNetSuitejQuery MigrateSlider RevolutionreCAPTCHACloudflare Insights.

What is Marmon/Keystone LLC's email format?

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Marmon/Keystone LLC's email format typically follows the pattern of FLast@marmonkeystone.com. Find more Marmon/Keystone LLC email formats with LeadIQ.

When was Marmon/Keystone LLC founded?

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Marmon/Keystone LLC was founded in 1907.
Marmon/Keystone LLC logo

Marmon/Keystone LLC

Wholesale Metals and MineralsPennsylvania, United States501-1000 Employees

Marmon/Keystone LLC is a wholesale distributor of metals and minerals with a history spanning more than a century, serving manufacturers across North America. It focuses on tubular and bar products and aims to provide reliable supply and operational continuity. The company maintains a large in-stock inventory, with more than 9,500 items and over 400 product specifications across carbon, alloy, stainless steel, and aluminum materials.

In addition to raw materials, Marmon/Keystone offers value-added services such as precision cutting, tube laser cutting, machining, custom fabrication, welding, coating, and assembly to streamline production. The company operates 27 plus distribution centers across the United States, Canada, and Mexico, with over 2.1 million square feet of warehouse space, combining national scale with local support. Based in Butler, Pennsylvania, it is part of the Marmon Berkshire Hathaway family, reflecting long-term corporate backing.

Section iconCompany Overview

Phone number
NAICS Code
4235 - Metal and Mineral (except Petroleum) Merchant Wholesalers
Founded
1907
Employees
501-1000

Section iconFunding & Financials

  • $250M - $500M

    Marmon/Keystone LLC's revenue is estimated to be in the range of $250M - $500M

Section iconFunding & Financials

  • $250M - $500M

    Marmon/Keystone LLC's revenue is estimated to be in the range of $250M - $500M

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