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Compare · CMI vs ROK

CMI vs ROK

Side-by-side comparison of Cummins Inc. (CMI) and Rockwell Automation Inc. (ROK): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both CMI and ROK operate in Industrial Machinery/Components (Industrials), so they compete in similar markets.
  • CMI is the larger of the two at $88.34B, about 2.0x ROK ($44.97B).
  • Over the past year, CMI is up 128.3% and ROK is up 64.7% - CMI leads by 63.6 points.
  • ROK has been more active in the news (12 items in the past 4 weeks vs 1 for CMI).
  • Both have 25 recent analyst ratings on file.
PerformanceCMI+128.30%ROK+64.71%
2025-04-30+0.00%2026-04-30
MetricCMIROK
Company
Cummins Inc.
Rockwell Automation Inc.
Price
$672.58+5.23%
$408.18+1.98%
Market cap
$88.34B
$44.97B
1M return
+24.84%
+13.73%
1Y return
+128.30%
+64.71%
Industry
Industrial Machinery/Components
Industrial Machinery/Components
Exchange
NYSE
NYSE
IPO
News (4w)
1
12
Recent ratings
25
25
CMI

Cummins Inc.

Cummins Inc. designs, manufactures, distributes, and services diesel and natural gas engines, electric and hybrid powertrains, and related components worldwide. It operates through five segments: Engine, Distribution, Components, Power Systems, and New Power. The company offers diesel and natural gas powered engines under the Cummins and other customer brands for the heavy and medium-duty truck, bus, recreational vehicle, light-duty automotive, construction, mining, marine, rail, oil and gas, defense, and agricultural markets; and offers new parts and services, as well as remanufactured parts and engines. It also provides power generation systems, high-horsepower engines, heavy and medium duty engines, application engineering services, custom-designed assemblies, retail and wholesale aftermarket parts, and in-shop and field-based repair services. In addition, the company offers emission solutions; turbochargers; air and fuel filters, fuel water separators, lube and hydraulic filters, coolants, fuel additives, and other filtration systems; and electronic control modules, sensors, and supporting software, as well as new, replacement, and remanufactured fuel systems. Further, it provides automated transmissions; standby and prime power generators, controls, paralleling systems, and transfer switches, as well as A/C generator/alternator products under the Stamford and AVK brands; and electrified power systems with components and subsystems, including battery, fuel cell, and hydrogen production technologies. Additionally, it offers filtration, aftertreatment, controls systems, air handling systems, automated transmissions, and electric power generation systems. The company sells its products to original equipment manufacturers, distributors, dealers, and other customers. The company was formerly known as Cummins Engine Company and changed its name to Cummins Inc. in 2001. Cummins Inc. was founded in 1919 and is headquartered in Columbus, Indiana.

ROK

Rockwell Automation Inc.

Rockwell Automation, Inc. provides industrial automation and digital transformation solutions. The company operates in two segments, Architecture & Software, and Control Products & Solutions. The Architecture & Software segment offers a portfolio of automation and information platforms, including hardware and software. Its products include programmable automation controllers; design, visualization, and simulation software; and human machine interface products, networking products, industrial computers, sensing devices, machine safety devices, motion control products, and independent cart technology products. This segment also offers manufacturing execution system and analytics software to enhance operational productivity and meet regulatory requirements. The Control Products & Solutions segment provides low and medium voltage electro-mechanical and electronic motor starters, AC/DC variable frequency drives, motor control and circuit protection devices, operator and signaling devices, termination and protection devices, relays and timers, and electrical control accessories. This segment also offers pre-configured line and load power solutions, packaged drives, motor control centers, and intelligent packaged power and engineered to order automation equipment solutions; and professional lifecycle services, such as safety, security, and digital transformation consulting, as well as automation and information project delivery capabilities, plant network, cloud, cybersecurity, asset management and predictive analytics, and remote, on-site, and managed support services. The company primarily serves a range of industries, which include the automotive, semiconductor, and warehousing and logistics; food and beverage, and life sciences; and oil and gas, metals, and chemicals through independent distributors and direct sales force worldwide. Rockwell Automation, Inc. was founded in 1903 and is headquartered in Milwaukee, Wisconsin.

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