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Industrial automation

The 7 companies in this industry listed on the NYSE and Nasdaq are worth $138 bn combined; the largest are Honeywell Technologies (HON), Rockwell Automation (ROK) and nVent Electric (NVT). For each one: what it does, revenue, margin, free cash flow over the last five years and a score from 0 to 10.

Data as of October 2026

Comfortable leader
7 companies value 138 bn revenue 54 bn margin 18.6% free cash flow 6.4 bn avg. score 4.9
HON holds 48.1% of the group's value, 1.4x the runner-up · ROK leads the industry without being the largest
Rank Ticker Company Share Value Revenue Margin FCF 5 years FCF/px Yield What it does · why it is here
1 HON Honeywell Technologies
United States · score 6.9
48% 67 bn 38 bn 21.6% 4.0 bn 6.0% 4.6% Building and industrial automation, aerospace and materials · Automation pure-play after the Jun 2026 split
2 ROK Rockwell Automation
United States · score 6.5
34% 47 bn 9.0 bn 13.4% 1.6 bn 3.3% 1.3% Industrial automation and factory software · Largest US company dedicated to industrial automation
3 NVT nVent Electric
United Kingdom/United States · score 5.9
17% 23 bn 4.8 bn 12.4% 0.6 bn 2.5% 0.6% Electrical protection, connection and thermal management · Electrical protection and liquid cooling for data centers
4 ATS ATS Corp /ATS
Canada · score 6.0
1% 1.8 bn 2.1 bn 2.4% 0.3 bn 16.5% — Industrial automation and assembly lines, from Canada · Canada — revenue of $2.1bn
5 ACFN ACORN ENERGY, INC.
United States · score 5.6
0% 0.0 bn 0.0 bn 16.1% 0.0 bn 3.2% — Wireless remote monitoring of backup generators and pipeline cathodic protection · Delaware — revenue of $10m
6 LHSW Lianhe Sowell International Group Ltd
China · score 1.4
— — 0.0 bn -13.2% -0.0 bn — — Machine vision and industrial automation, from China · China — revenue of $43m
7 INLF INLIF Ltd
China · score 1.7
— — 0.0 bn -11.7% -0.0 bn — — Automation and test equipment for new energy, from China · China — revenue of $21m

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What this is. A catalogue, not a guide. Every industry with stocks listed on the NYSE or NASDAQ, the companies contending for its leadership, what each one does according to its own annual report, and the balance sheet it filed with the SEC.

The score runs from 0 to 10 and compares each company with every other one in the almanac on cash generation, profitability, debt, dividends and consistency over the last five years. The higher it is, the better the company fares in that comparison. Curious how much each part weighs? Ask at the bottom of the page.

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