Insights

Strategic Sector Focus Core Natural Resources specializes in high-quality, low-cost metallurgical and thermal coal production, offering opportunities to supply equipment, services, and solutions tailored to the mining and export operations within the steel, energy, and infrastructure sectors.

Global Export Markets With ownership of marine export terminals and a focus on seaborne markets, there is potential to collaborate on logistics, shipping technology, and transportation services that can optimize the company's international coal distribution and enhance supply chain efficiency.

Operational Modernization The company's focus on maintaining best-in-sector mine portfolios presents opportunities for technology providers in mining automation, environmental management, safety systems, and maintenance to improve operational productivity and sustainability.

Workforce Optimization Recent plans to reduce headcount suggest a need for solutions in workforce management, training, and safety technology that can help streamline operations and maintain high safety standards amid staffing changes.

Digital Infrastructure Core Natural Resources utilizes advanced digital infrastructure, including cloud services and cybersecurity, indicating a readiness for partnerships in digital transformation, data analytics, and cloud solutions to enhance operational efficiency and data security.

Arch Coal, Inc. Tech Stack

Arch Coal, Inc. uses 8 technology products and services including ExaGrid, Cloudflare CDN, Oracle Fusion Middleware, and more. Explore Arch Coal, Inc.'s tech stack below.

ExaGrid

Backup And Recovery

Cloudflare CDN

Content Delivery Network

Oracle Fusion Middleware

Enterprise

Google Fonts API

Font Scripts

Palo Alto Firewalls

Network Hardware

SAP Maintenance, Repair, and Overhaul

Operations

HSTS

Security

Django

Web Frameworks

Arch Coal, Inc. Email Formats	Example	Percentage
FLast@archcoal.com	JDoe@archcoal.com	82%
First.Last@archcoal.com	John.Doe@archcoal.com	12%
LFirst@archcoal.com	DJohn@archcoal.com	4%
FiLast@archcoal.com	JoDoe@archcoal.com	2%

Arch Coal, Inc. Email Formats

Example

Percentage

FLast@archcoal.com

JDoe@archcoal.com

82%

First.Last@archcoal.com

John.Doe@archcoal.com

12%

LFirst@archcoal.com

DJohn@archcoal.com

FiLast@archcoal.com

JoDoe@archcoal.com

Frequently Asked Questions

Where is Arch Coal, Inc.'s headquarters located?

Arch Coal, Inc.'s main headquarters is located at 1 City Place Drive Suite 300 St. Louis, Missouri 63141 United States. The company has employees across 6 continents, including North AmericaAsiaEurope.

What is Arch Coal, Inc.'s phone number?

You can contact Arch Coal, Inc.'s main corporate office by phone at

+1-304-594-****

. 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 Arch Coal, Inc.'s stock symbol?

Arch Coal, Inc. is a publicly traded company; the company's stock symbol is ARCH.

What is Arch Coal, Inc.'s official website and social media links?

Arch Coal, Inc.'s official website is corenaturalresources.com and has social profiles on LinkedIn.

What is Arch Coal, Inc.'s NAICS code?

Arch Coal, Inc.'s NAICS code is 212 - Mining (except Oil and Gas).

How many employees does Arch Coal, Inc. have currently?

As of April 2026, Arch Coal, Inc. has approximately 1.1K employees across 6 continents, including North AmericaAsiaEurope. Key team members include Ceo: S. L.Chief Executive Officer: A. Y.Chief Executive Officer: P. C. G.. Explore Arch Coal, Inc.'s employee directory with LeadIQ.

What industry does Arch Coal, Inc. belong to?

Arch Coal, Inc. operates in the Mining industry.

What technology does Arch Coal, Inc. use?

Arch Coal, Inc.'s tech stack includes ExaGridCloudflare CDNOracle Fusion MiddlewareGoogle Fonts APIPalo Alto FirewallsSAP Maintenance, Repair, and OverhaulHSTSDjango.

What is Arch Coal, Inc.'s email format?

Arch Coal, Inc.'s email format typically follows the pattern of FLast@archcoal.com. Find more Arch Coal, Inc. email formats with LeadIQ.

Arch Coal, Inc.

Q: How many employees does Arch Coal, Inc. have currently?

Arch Coal, Inc. has approximately 1.1K employees.

Q: What technology does Arch Coal, Inc. use?

Arch Coal, Inc.'s tech stack includes Cloudflare CDN, Slider Revolution, Commvault, SolarWinds, MongoDB.

Q: What is Arch Coal, Inc.'s NAICS code?

Arch Coal, Inc.'s NAICS code is 212 (Mining (except Oil and Gas)).

MiningMissouri, United States1001-5000 Employees

Arch Resources, Inc. is now Core Natural Resources. Created in January 2025 through a merger of long-time industry leaders CONSOL Energy and Arch Resources, Core is based in Canonsburg, Pennsylvania. The new company is a world-class producer and exporter of high-quality, low-cost coals, including metallurgical and high calorific value thermal coals. Core Natural Resources operates a best-in-sector portfolio, including the Pennsylvania Mining Complex, Leer, Leer South, and West Elk mines. With a focus on seaborne markets, Core plays an essential role in meeting the world’s growing need for steel, infrastructure, and energy, and has ownership interests in two marine export terminals. For updated information, please visit corenaturalresources.com.

We encourage you to follow the Core Natural Resources page on LinkedIn!
https://www.linkedin.com/company/core-natural-resources/

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Arch Coal, Inc. Tech Stack

Media & News

Core Natural Resources, Inc. decreased headcount by 200 on Aug 1st '25.

Arch Coal, Inc.'s Email Address Formats