– UTC conducts its business through four principal operations. Two serve the aerospace and defense markets: Pratt & Whitney (commercial and military jet engines) and UTC Aerospace
Systems (components for commercial, regional, corporate, and military aircraft). The other two operations, Otis and UTC Climate, Controls & Security, serve commercial customers.
Reports on this and additional companies are contained in our Defense & Aerospace Companies Series,
Volume I and
Volume I covers over 50 U.S. and Canadian primes and their subsidiaries. Volume II covers over 60 top companies in Europe, Asia, and the rest of the world.