What are IRM's business segments?

Iron Mountain Incorporated (IRM) reports revenue by product line and geographic region in its 10-K segment disclosures. The composition lists on this page show the most recent breakdown; the expanded table view shows the multi-year transposed history.

Which segment generates the most revenue for IRM?

Iron Mountain Incorporated's largest reported segment is Global Records and Information Management Business, at $5.29 billion in revenue for fiscal year 2025 (ended December 31, 2025). It sits at the top of the composition list on this page. Segment mix can shift materially year over year, especially after acquisitions, divestitures, or new-product launches — the expand-modal view shows the full trajectory.

How current is IRM's segment data?

Iron Mountain Incorporated (IRM)'s segment breakdown on this page is from its most recent annual filing, fiscal year 2025 (ended December 31, 2025). Segment disclosures are reported annually in the 10-K and refresh within 48 hours of each filing.

IRM

Iron Mountain Incorporated

NYSE·REIT, Specialty · Real Estate

$124.91$0.65−0.52%

Market cap$37.16B·Jul 22 2:27 PM UTC

Frequently Asked Questions About IRM

What are IRM's business segments?: Iron Mountain Incorporated (IRM) reports revenue by product line and geographic region in its 10-K segment disclosures. The composition lists on this page show the most recent breakdown; the expanded table view shows the multi-year transposed history.
Which segment generates the most revenue for IRM?: Iron Mountain Incorporated's largest reported segment is Global Records and Information Management Business, at $5.29 billion in revenue for fiscal year 2025 (ended December 31, 2025). It sits at the top of the composition list on this page. Segment mix can shift materially year over year, especially after acquisitions, divestitures, or new-product launches — the expand-modal view shows the full trajectory.
How current is IRM's segment data?: Iron Mountain Incorporated (IRM)'s segment breakdown on this page is from its most recent annual filing, fiscal year 2025 (ended December 31, 2025). Segment disclosures are reported annually in the 10-K and refresh within 48 hours of each filing.

IRM

Iron Mountain Incorporated

NYSE·REIT, Specialty · Real Estate

$124.91$0.65−0.52%

Market cap$37.16B·Jul 22 2:27 PM UTC

By Product

Latest period2025

Segment	Revenue	Share	YoY Growth %
Global Records and Information Management Business	$5.29B	86.8%	+6.3%
Global Data Center Business	$803.43M	13.2%	+29.6%

By Geography

Latest period2025

Segment	Revenue	Share	YoY Growth %
UNITED STATES	$4.57B	85.5%	+14.1%
UNITED KINGDOM	$472.61M	8.8%	+10.8%
CANADA	$302.42M	5.7%	−0.3%

Frequently Asked Questions About IRM

What are IRM's business segments?: Iron Mountain Incorporated (IRM) reports revenue by product line and geographic region in its 10-K segment disclosures. The composition lists on this page show the most recent breakdown; the expanded table view shows the multi-year transposed history.
Which segment generates the most revenue for IRM?: Iron Mountain Incorporated's largest reported segment is Global Records and Information Management Business, at $5.29 billion in revenue for fiscal year 2025 (ended December 31, 2025). It sits at the top of the composition list on this page. Segment mix can shift materially year over year, especially after acquisitions, divestitures, or new-product launches — the expand-modal view shows the full trajectory.
How current is IRM's segment data?: Iron Mountain Incorporated (IRM)'s segment breakdown on this page is from its most recent annual filing, fiscal year 2025 (ended December 31, 2025). Segment disclosures are reported annually in the 10-K and refresh within 48 hours of each filing.