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TransDigm manufactures and services a diverse set of specialized parts for commercial and military aircraft. The firm organizes itself in three segments: power and control, airframes, and a small non-aviation segment, which serves mostly off-road vehicles and mining equipment. It operates as an acquisitive holding company that focuses its portfolio on firms that make proprietary aerospace products with substantial aftermarket demand. TransDigm regularly employs financial leverage to amplify its operating results.

Founded in 1930 and transformed over the decades through the acquisition of dozens of esteemed brands, Ametek owns a collection of over 40 autonomous industrial businesses operating within the research, aerospace, energy, medical, and manufacturing industries. Ametek segments its business into two operating groups: the electronic instruments group and the electromechanical group. The EIG sells a broad portfolio of analytical, test, and measurement instruments, while the EMG sells highly engineered components, interconnects, and specialty metals. The company emphasizes product differentiation and market leadership in the niche markets where it operates.

CNH Industrial is a global manufacturer of heavy machinery, with a range of products including agricultural and construction equipment. One of its most recognizable brands, Case IH, has served farmers for generations. The company's products are available through a robust dealer network, which includes over 3,600 dealer and distribution locations worldwide. CNH’s finance arm provides retail financing for equipment to its customers in addition to wholesale financing for dealers, which increases the likelihood of product sales.

Founded in 1888 by Harvey Hubbell, the eponymous company was the conduit through which the pull-chain lamp socket was originally sold. Hubbell has since grown into an electricity transmission and distribution behemoth, housing more than 75 brands that sell components found on power lines, electrical substations, and within commercial and industrial buildings. The company's primary operations are within the United States, where around 90% of revenue is derived.