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Compare · DCI vs MAIR

DCI vs MAIR

Side-by-side comparison of Donaldson Company Inc. (DCI) and Madison Air Solutions Corporation (MAIR): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both DCI and MAIR operate in Pollution Control Equipment (Industrials), so they compete in similar markets.
  • MAIR is the larger of the two at $19.64B, about 2.0x DCI ($9.99B).
  • Over the past year, DCI is up 29.4% and MAIR is up 26.5% - DCI leads by 2.9 points.
  • MAIR has been more active in the news (9 items in the past 4 weeks vs 5 for DCI).
  • DCI has more recent analyst coverage (8 ratings vs 0 for MAIR).
PerformanceDCI-1.18%MAIR+26.48%
2026-04-16+0.00%2026-05-01
MetricDCIMAIR
Company
Donaldson Company Inc.
Madison Air Solutions Corporation
Price
$86.26-2.21%
$40.17+5.24%
Market cap
$9.99B
$19.64B
1M return
+0.15%
+26.48%
1Y return
+29.40%
+26.48%
Industry
Pollution Control Equipment
Pollution Control Equipment
Exchange
NYSE
NYSE
IPO
2026
News (4w)
5
9
Recent ratings
8
0
DCI

Donaldson Company Inc.

Donaldson Company, Inc. manufactures and sells filtration systems and replacement parts worldwide. It operates through two segments, Engine Products and Industrial Products. The Engine Products segment offers replacement filters for air and liquid filtration applications, air filtration systems, liquid filtration systems for fuel, lube and hydraulic applications, exhaust and emissions systems and sensors, indicators, and monitoring systems. This segment sells its products to original equipment manufacturers (OEMs) in the construction, mining, agriculture, aerospace, defense, and transportation markets; and to independent distributors, OEM dealer networks, private label accounts, and large fleets. The Industrial Products segment provides dust, fume, and mist collectors; compressed air purification systems; gas and liquid filtration for food, beverage, and industrial processes; air filtration systems for gas turbines; polytetrafluoroethylene membrane-based products; and specialized air and gas filtration systems for applications, including hard disk drives, semi-conductor manufacturing and sensors, indicators, and monitoring systems. This segment sells its products to various dealers, distributors, OEMs of gas-fired turbines, and OEMs and end-users requiring filtration solutions and replacement filters. Donaldson Company, Inc. was founded in 1915 and is headquartered in Bloomington, Minnesota.