Siemens AG SIE

Industrial & DefenseMarket cap $135B4 connections

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Competitors 4

Companies it competes with

GE AerospaceIndustrial & Defense · $339BIndustrial automation rivalry
Trane TechnologiesIndustrial & Defense · $100BBuilding automation
ABB LtdIndustrial & Defense · $90BAutomation and power
Otis WorldwideIndustrial & Defense · $25BBuilding systems rivalry

Other Industrial & Defense companies

Caterpillar GE Aerospace RTX (Raytheon)Deere & Company Eaton Boeing Parker Hannifin Lockheed Martin Amphenol Trane Technologies

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Relationships are compiled by VexMap from company filings, announcements and reporting, and last reviewed September 2026. Spotted something wrong? Tell us. Not investment advice.