What is SIC code 1221?

SIC code 1221 represents the Bituminous Coal & Lignite Surface Mining industry. SIC (Standard Industrial Classification) is a four-digit code system used by the U.S. SEC to classify companies by their primary line of business. There are 5 public companies registered under this code in the SEC EDGAR database.

What is the largest Bituminous Coal & Lignite Surface Mining company by revenue?

PEABODY ENERGY CORP is the largest company in the Bituminous Coal & Lignite Surface Mining industry by revenue, reporting $3.9B in FY2025 according to its SEC EDGAR 10-K annual filing. Companies in this industry with available XBRL data collectively reported $6.8B in revenue across their most recent fiscal years.

Bituminous Coal & Lignite Surface Mining

Q: How many public companies are in the Bituminous Coal & Lignite Surface Mining industry?

There are 5 SEC-registered public companies classified under SIC code 1221 (Bituminous Coal & Lignite Surface Mining) in the SEC EDGAR database.

SIC 1221 · 5 companies

This page lists all SEC-registered public companies classified under SIC code 1221 (Bituminous Coal & Lignite Surface Mining). SIC — Standard Industrial Classification — is a four-digit code system used by the SEC to group companies by their primary line of business. You can also view financial rankings for this industry.

The Bituminous Coal & Lignite Surface Mining industry includes 5 SEC-registered public companies. The largest by revenue is PEABODY ENERGY CORP, which reported $3.9B in FY2025. Companies in this industry with available XBRL data collectively reported $6.8B in revenue across their most recent fiscal years.

Company	Ticker	Exchange	State	Filings
ALLIANCE RESOURCE PARTNERS LP	ARLP	NASDAQ	DE	1,000
Alpha Metallurgical Resources, Inc.	AMR	NYSE	DE	639
NACCO INDUSTRIES INC	NC	NYSE	DE	1,013
NATURAL RESOURCE PARTNERS LP	NRP	NYSE	DE	1,005
PEABODY ENERGY CORP	BTU	NYSE	DE	1,005