TransDigm Group vs Allegion
Side-by-side comparison of AI visibility scores, market position, and capabilities
TransDigm Group (TDG) reported ~$7.9B revenue in FY2024. Aerospace component maker with a unique aftermarket business model providing proprietary parts for commercial and military aircraft. HQ: Cleveland.
About
TransDigm Group Incorporated is an aerospace components manufacturer with a deliberately engineered business model that creates extraordinary economic returns. The company acquires manufacturers of proprietary, sole-source aerospace components — parts for which TransDigm is the only FAA-approved supplier — and applies aggressive pricing on replacement parts sold into the highly profitable commercial and military aerospace aftermarket. Founded in 1993 by Nicholas Howley, TransDigm has completed over 90 acquisitions, building a portfolio of 800+ businesses making components ranging from actuators and sensors to ignition systems and power distribution for commercial and defense aircraft.
Dublin physical security and access control (NYSE: ALLE) at $3.8B 2024 revenue; Q2 2025 record $1B+ quarterly with Salto Systems and Gatewise acquisitions expanding electronic access competing with ASSA ABLOY for global door security.
About
Allegion plc is a Dublin, Ireland-headquartered global security products company — publicly traded on the New York Stock Exchange (NYSE: ALLE) as an S&P 500 component — generating $3.8 billion in revenue in 2024 and setting a quarterly revenue record exceeding $1 billion in Q2 2025 for the first time in company history, with approximately 14,400 employees across operations in 130+ countries. Allegion's portfolio spans 25+ brands including Schlage (US residential and commercial locks), Von Duprin (exit devices since 1908), LCN (door closers since 1876), CISA (European locks), SimonsVoss (wireless electronic locking), and Interflex (workforce management). The company generates 75%+ of sales in the United States. CEO John H. Stone. Allegion was spun off from Ingersoll Rand on December 1, 2013, joining the NYSE and S&P 500 on the same day. Recent acquisitions include Salto Systems (2024, cloud-connected access control), Gatewise (2025, multifamily access control), and ELATEC (2025 pending, RFID/NFC reader technology).
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