MSC Industrial Direct Co., Inc. engages in the distribution of metalworking and maintenance, repair, and operations products and services. Its products include cutting tools, measuring instruments, tooling components, metalworking products, fasteners, flat stock, raw materials, abrasives, machinery hand and power tools, safety and janitorial supplies, plumbing supplies, materials handling products, power transmission components and electrical supplies. The company was founded by Sidney Jacobson in 1941 and is headquartered in Melville, NY.

DXP Enterprises, Inc. engages in the business of distributing maintenance, repair, and operating (MRO) products and services to customers serving a variety of end markets. It operates through the following segments: Service Centers (SC), Supply Chain Services (SCS), Innovative Pumping Solutions (IPS), and Corporate. The Service Centers segment provides MRO products, equipment, and services including technical expertise and logistics capabilities to customers serving varied end markets with the ability to provide same day delivery. The Supply Chain Services segment focuses on managing customers' supply chains including procurement and inventory management. The Innovative Pumping Solutions segment includes integrated, custom pump skid packages, pump remanufacturing, and manufactures branded private label pumps to meet the capital equipment needs of the global customer base. The company was founded in 1908 and is headquartered in Houston, TX.

Global Industrial Co. engages in direct marketing of brand name and private label industrial and business equipment and supplies. It sells an array of industrial and general business hard goods and supplies and to a lesser extent products that would fall into the generally recognizable category of maintenance, repair and operational ("MRO") products. The company was founded by Paul Leeds and Michael Leeds in 1949 and is headquartered in Port Washington, NY.