Identity graph
Alton Steel headquarters, locations and relationships
- Legal name
- Alton Steel, Inc.
- Industry
- Mining and Metals
- Founded
- 2001
- Phone
- +1 618 463 4490
- Website
- altonsteel.com
- LinkedIn profile for Alton Steel
Alton Steel office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Alton | Illinois | United States | Headquarters |
| Granite City | Illinois | United States | Office |
| Maryland Heights | Missouri | United States | Office |
| Round Rock | Texas | United States | Office |
| San Diego | California | United States | Office |
- Parent company
- No parent company recorded in GraphIQ.ai.
Verified from public filings, company websites and news · Methodology
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About Alton Steel
Alton Steel is headquartered in Alton, Illinois, United States. Founded in 2001, the company has 6 recorded locations and employs approximately 146 people worldwide.
Where is Alton Steel's main office?
Alton Steel's main headquarters office is located at 5 Cut St, Alton, Illinois 62002-1776, United States. This is the company's primary corporate address.
Alton Steel regional offices
Beyond its headquarters in Alton, Alton Steel has recorded locations in United States.
Alton Steel contact information
The main switchboard for Alton Steel headquarters can be reached at +1 618 463 4490. Official website: altonsteel.com.
What does Alton Steel do?
Alton Steel was a steel manufacturer, based in Alton, Illinois, United States. The company was a reincarnation of the Laclede Steel Company, which halted operations of its mill in 1998. The company entered bankruptcy in 2001, but emerged in 2003 with the new name and new owners. The reborn company employed over 260 hourly and 100 salaried workers in the area. The company announced on January 26, 2026 that they would cease operations, laying off 253 workers.
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- Target Define the market Build the account list from companies shaped like your best customers, Alton Steel included. Fingerprint search
- Cover Plan territories Alton Steel'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
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- 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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Alton Steel: frequently asked questions
Where is Alton Steel headquarters?
5 Cut St, Alton, Illinois 62002-1776, United States.
What is Alton Steel's phone number?
+1 618 463 4490 (headquarters).
When was Alton Steel founded?
2001.
How many employees does Alton Steel have?
About 146, as of October 2026 (GraphIQ.ai estimate).
How many offices does Alton Steel have?
6 locations, including Granite City, Maryland Heights, Round Rock, San Diego.
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 Alton Steel here is the same Alton Steel in your CRM, territory plan and agent answers.
Where does this Alton Steel data come from?
Public filings, company websites and news, resolved to one entity and continuously updated.