McMaster-Carr is a well-known industrial supply company based in the United States. Founded in 1901, it specializes in providing a wide range of products, including hardware, tools, and materials for various industries. The company is recognized for its extensive catalog, which features over 580,000 items, making it a go-to resource for engineers, manufacturers, and maintenance professionals. The company operates primarily through its online platform, allowing customers to easily search for and order products. McMaster-Carr is known for its fast shipping and reliable service, often delivering items the same day or the next day. This efficiency has made it a trusted supplier in the industrial sector.