Protocase specializes in manufacturing custom electronic enclosures, rackmounts, and miscellaneous components with a rapid turnaround of 2-3 days and no minimum order requirements. They offer fully finished enclosures in various materials such as aluminum, copper, steel, and stainless steel, complete with powder coating, silkscreening, and hardware options. Protocase provides design services for experienced sheet metal designers and offers user-friendly tools like Protocase Designer for easy enclosure customization. Their ultra-lean manufacturing process ensures quick delivery times and consistent quality, making them a go-to choice for engineers and design professionals in need of custom enclosures.