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ABB is a supplier of electrical equipment and automation products. Founded in the late 19th century, the company was created out of the merger of two old industrial companies: ASEA and BBC. Its products include electrical equipment, industrial robots, and equipment used for industrial automation that are sold via approximately 19 business divisions. ABB is the number one or two supplier in two thirds of its product segments.

TransDigm manufactures and services a diverse set of specialized components and parts for commercial and military aircraft. The firm organizes itself in three segments: a power and control segment, airframes, and a small nonaviation 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.

Jacobs Solutions is a global provider of engineering, design, procurement, construction, and maintenance services as well as cyber engineering and security solutions. The firm serves industrial, commercial, and government clients in a wide variety of sectors, including water, transportation, healthcare, technology, and chemicals. Jacobs Solutions employs approximately 60,000 workers. The company generated $16.4 billion in revenue and $1.3 billion in adjusted operating income in fiscal 2023.

Along with Experian and TransUnion, Equifax is one of the leading credit bureaus in the United States. Equifax’s credit reports provide credit histories on millions of consumers, and the firm's services are critical to lenders’ credit decisions. In addition, over 40% of the firm’s revenue comes from workforce solutions, which provides income verification and employer human resources services. Equifax generates just over 20% of its revenue from outside the United States.