Identity graph
ARMCO headquarters, locations and relationships
- Legal name
- American Rolling Mill Co.
- Industry
- Mining and Metals
- Founded
- 1899
- Phone
- +1 412 255 9800
- Website
- armco.com
- LinkedIn profile for ARMCO
ARMCO office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Pittsburgh | Pennsylvania | United States | Headquarters |
| — | Buenos Aires | Argentina | Office |
| Middletown | Ohio | United States | Office |
| Waukegan | Illinois | United States | Office |
- Parent company
- ARMCO is part of AK Steel.
Verified from public filings, company websites and news · Methodology
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About ARMCO
ARMCO is headquartered in Pittsburgh, Pennsylvania, United States. Founded in 1899, the company has 6 recorded locations across 2+ countries and employs approximately 750 people worldwide.
Where is ARMCO's main office?
ARMCO's main headquarters office is located at 301 Grant St 15th Floor, Pittsburgh, Pennsylvania 15219, United States. This is the company's primary corporate address.
ARMCO regional offices
Beyond its headquarters in Pittsburgh, ARMCO has recorded locations in United States and Argentina.
ARMCO contact information
The main switchboard for ARMCO headquarters can be reached at +1 412 255 9800. Official website: armco.com.
What does ARMCO do?
Armco, Inc. produced stainless sheet and strip, and electrical steels, as of June 30, 1999.
One entity, every stage
Put ARMCO to work across your revenue bowtie
- Target Define the market Build the account list from companies shaped like your best customers, ARMCO included. Fingerprint search
- Cover Plan territories ARMCO's 6 locations roll up to one account, so it lands in one territory, once. Territory planning
- Engage Act on timing Leadership changes, funding and M&A arrive linked to the account, not a loose headline. Signal monitoring
- Convert Close on a resolved record Inbound and closed-won attach to one CRM record, with no duplicates to merge. CRM enrichment
- Retain Ground every answer Customer teams and AI agents answer from the same entity, with a source and a date. AI agent data layer
- Expand Find the next buyer inside Follow subsidiaries and divisions to the next team that can buy. Account expansion
About the source
What is GraphIQ.ai?
A B2B identity graph. It resolves each organization into one verified entity and maps its parent and subsidiaries, employees, competitors and news signals. Revenue teams use it in the product; AI agents query it through the REST API and MCP server.
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ARMCO: frequently asked questions
Where is ARMCO headquarters?
301 Grant St 15th Floor, Pittsburgh, Pennsylvania 15219, United States.
What is ARMCO's phone number?
+1 412 255 9800 (headquarters).
When was ARMCO founded?
1899.
How many employees does ARMCO have?
About 750, as of October 2026 (GraphIQ.ai estimate).
How many offices does ARMCO have?
6 locations across 2+ countries, including Middletown, Waukegan.
Questions about GraphIQ.ai
Is GraphIQ.ai a list of companies like a spreadsheet?
No. Each organization resolves to one verified entity linked to its parent, subsidiaries, people and signals, so ARMCO here is the same ARMCO in your CRM, territory plan and agent answers.
Where does this ARMCO data come from?
Public filings, company websites and news, resolved to one entity and continuously updated.