Iron Mountain competitors
As of 2026-10-28, Iron Mountain's closest competitors in Data Center Operators (Colo) are NTT, American Tower and Core Scientific. wafergraph tracks 37 companies in Data Center Operators (Colo); Iron Mountain is positioned as a market major there with a market cap of $34.3B, and the largest competitor by market cap is NTT at $88.1B.
Data as of 2026-10-28 · peers = companies sharing Iron Mountain's primary Data Center Operators (Colo) segment in the wafergraph taxonomy · ordered by market position, then market cap
Who competes with Iron Mountain
| Competitor | Position | Country | Market cap | Revenue | Compare |
|---|---|---|---|---|---|
| NTT | major | Japan | $88.1B | $7.4B | Iron Mountain vs NTT |
| American Tower | major | United States | $85.7B | $10.6B | Iron Mountain vs American Tower |
| Core Scientific | major | United States | $4.6B | $319M | Iron Mountain vs Core Scientific |
| DigitalBridge | major | United States | $3.0B | $94M | Iron Mountain vs DigitalBridge |
| AirTrunk | major | Australia | Unpriced | — | — |
| Aligned Data Centers | major | United States | Unpriced | — | — |
| Chindata Group | major | China | Unpriced | — | — |
| Compass Datacenters | major | United States | Unpriced | — | — |
| CoreSite | major | United States | Unpriced | — | — |
| CyrusOne | major | United States | Unpriced | — | — |
| EdgeConneX | major | United States | Unpriced | — | — |
| NEXTDC | major | Australia | Unpriced | $349M | — |
| QTS Data Centers | major | United States | Unpriced | — | — |
| STACK Infrastructure | major | United States | Unpriced | — | — |
| Switch | major | United States | Unpriced | — | — |
| Vantage Data Centers | major | United States | Unpriced | — | — |
| IREN | challenger | Australia | $11.1B | $707M | Iron Mountain vs IREN |
| Applied Digital | challenger | United States | $5.9B | $611M | Iron Mountain vs Applied Digital |
| Hut 8 | niche | United States | $8.3B | $235M | Iron Mountain vs Hut 8 |
| TeraWulf | niche | United States | $6.3B | $168M | Iron Mountain vs TeraWulf |
| Keppel DC REIT | niche | Singapore | $4.5B | $345M | Iron Mountain vs Keppel DC REIT |
| Cipher Mining | niche | United States | $3.5B | $224M | Iron Mountain vs Cipher Mining |
| 21Vianet | niche | China | $1.1B | $544M | Iron Mountain vs 21Vianet |
| Sify Technologies | niche | India | $890M | $466M | Iron Mountain vs Sify Technologies |
| HIVE Digital Technologies | niche | Canada | $550M | $298M | Iron Mountain vs HIVE Digital Technologies |
11 more Data Center Operators (Colo) companies are listed on the segment page.
Suppliers Iron Mountain shares with its competitors
A supplier shared across rivals is a segment-level chokepoint: if it fails, the whole peer group feels it at once.
Customers Iron Mountain shares with its competitors
Frequently asked questions3
- Who are Iron Mountain's competitors?
- Iron Mountain's closest competitors in Data Center Operators (Colo) are NTT, American Tower and Core Scientific; wafergraph tracks 36 rivals in that segment.
- Who is Iron Mountain's largest competitor?
- NTT is the largest Data Center Operators (Colo) competitor by market cap ($88.1B).
- How many companies compete in Data Center Operators (Colo)?
- wafergraph tracks 37 companies in Data Center Operators (Colo), including Iron Mountain.
Cite as: wafergraph, “Iron Mountain competitors — 36 rivals in Data Center Operators (Colo), compared”, https://wafergraph.com/competitors/iron_mountain (data as of 2026-10-28).
Open Iron Mountain in the interactive supply-chain view →
Track the chain
What moved in the semiconductor supply chain — This Week in the Chain, the free weekly wafergraph briefing.
Subscribe to the free weekly briefing →
Free · no login · 615 companies, updated weekly