Distributor

McMaster-Carr Supply Company

A U.S.-based industrial and MRO (maintenance, repair, and operations) catalog distributor headquartered near Chicago, Illinois, offering a broad general catalog spanning fasteners, tools, material handling, and electrical/electronic components alongside thousands of other industrial supply categories. Primarily serves customers within the United States through its extensive online and print catalog, while also supporting international orders. Operates as a large-scale broad-line catalog distributor rather than a specialized electronics distributor, carrying electrical/electronic parts as one segment among many within its much larger industrial supply lineup.