Johnston Industrial Supply, a family- and women-owned MRO distributor operating from four distribution centers in Missouri and Oklahoma, proudly serves customers in 48 states. Inventory challenges shouldn’t slow your operation. Our Vendor Managed Inventory (VMI) services take the burden off your team, monitoring, tracking, and replenishing stock so you always have the right materials on hand. Backed by experts in safety, metalworking, and a factory-trained 3M Specialist, we provide hands-on support, workplace assessments, and practical guidance to help you run safer, more efficient, and fully compliant operations.