CMIQueued from the May 25, 2026 S&P 500 market-cap snapshot ranks 101-125; refreshed with late-May 2026 market data and 2025 company reporting.

Cummins

Cummins designs, manufactures, distributes, and services engines, power generation systems, components, and zero-emissions powertrain technologies.

CompaniesMarketCap Product analyses

Metadata

Where this company sits

Ticker: CMI
Rank snapshot: ≈ 112
Sector: Industrials
Industry: Industrial Machinery
Region: United States
Index: S&P 500 · Top 125 by market cap

Metrics

Scoring view

Every metric is paired with a short rationale. The numbers are deliberate, not divine.

Moat

8.0/10

Large installed base, global service network, OEM integration, emissions know-how, and safety-critical reliability requirements create a strong industrial moat.

Decentralizability

4.0/10

Physical manufacturing, certification, and field service requirements limit decentralization, but open energy controls, open charging protocols, and modular repairable equipment can weaken proprietary control layers.

Profitability

7.0/10

Cummins generated $2.8 billion of 2025 net income on $33.7 billion of revenue, equal to 8.4% of sales, while absorbing Accelera electrolyzer charges.

Price / Earnings

33.6x

CompaniesMarketCap listed Cummins' May 2026 trailing P/E ratio at 33.6; nearby market-data sources showed a similar low-30s figure.

Market cap

$88.3B

StockAnalysis reported Cummins' market capitalization at $88.25 billion as of May 22, 2026.

Freed-up capital potential

$10.6B

Derived from market cap, moat resistance, decentralizability, and profitability. It is a directional estimate of value capture that could come under pressure if open alternatives compound.

Narrative

Why the company matters

A short editorial overview plus the current thesis on moat strength and decentralization pressure.

Business Mix

Cummins operates through Engine, Components, Distribution, Power Systems, and Accelera segments, combining diesel and natural-gas engines, drivetrain and emissions components, generators, service networks, battery-electric systems, fuel cells, and electrolyzers.

The company remains anchored in commercial transportation, industrial equipment, and standby or prime power markets, while Accelera gives it exposure to fleet electrification and hydrogen infrastructure that could reshape parts of its legacy engine demand.

Financial Snapshot

Cummins reported 2025 revenue of $33.7 billion and net income attributable to Cummins of $2.8 billion, or 8.4% of sales, despite charges tied to a strategic review of the Accelera electrolyzer business.

Market data in late May 2026 placed Cummins near an $88 billion market capitalization with a trailing P/E ratio around the low-to-mid 30s, reflecting a large, profitable industrial incumbent rather than an early-stage clean-tech pure play.

Moat reading

Cummins' moat comes from deep engine and power systems engineering, emissions compliance expertise, OEM relationships, installed-base service economics, and a global distributor and dealer network. Heavy-duty customers care about uptime, warranty backing, parts availability, certification, and fleet familiarity, which makes replacement slower than in consumer software markets.

The moat is not purely technological. Many combustion-engine components are manufacturable by others, and long-run pressure from electrification, emissions rules, alternative fuels, and open control standards can erode lock-in. The most durable defenses are certification, integration, service density, and trust in safety-critical industrial environments.

Decentralization reading

Cummins is only moderately decentralizable because engines, high-power generators, hydrogen equipment, and commercial vehicle powertrains require precision manufacturing, safety validation, regulatory compliance, and field support. Those constraints favor large firms and certified suppliers.

Decentralization pressure is still credible at the edges: open energy management software, open EV charging protocols, community microgrids, modular repairable machinery, and open-source power-unit designs can reduce dependence on proprietary fleet and energy stacks. These forces are more likely to commoditize control layers, service workflows, and smaller power modules before they displace certified heavy-duty engines outright.

Products

Where the moat actually touches users

These pages zoom into the products and services that matter most to each company, the alternatives already nibbling at them, and 3 structured disruption concepts across the current product set.

3 disruption concepts tracked0 documented exceptions

Cummins engines

Commercial and industrial powertrains

1 concept

Cummins engines power on-highway trucks, buses, construction and agricultural equipment, marine vessels, rail applications, and industrial machinery.

Open analysis

Accelera by Cummins

Zero-emissions power systems

2 concepts

Accelera by Cummins develops battery-electric systems, fuel cells, ePowertrain components, and electrolyzers for commercial, industrial, and infrastructure customers.

Open analysis

Technology waves

Strategic lenses

These are the repo's explicit bias terms: the technologies expected to keep making incumbents less inevitable over time.

Printable solar, localized wind, and home energy stacks

Cheaper distributed generation and better local energy management create more openings for community-scale infrastructure and self-custodied resilience.

• Energy-related products should be viewed through interoperability and open-control surfaces.
• Battery, charging, and home automation layers are increasingly separable from single-vendor stacks.
• Incumbents that depend on closed energy ecosystems may look less inevitable over time.

Microfactories and automated mini-home production

Small, software-defined manufacturing cells could make localized production less eccentric and more default.

• Products with heavy branding but generic bill-of-materials profiles look increasingly vulnerable.
• Logistics moats still matter, but their margin for arrogance should narrow.
• Open-source production recipes can pressure both price and product differentiation.

Paper trail