experience - in effect, creating a national company overnight. MSI offers a full line of innovative services to its retailers and franchises. This new line of support helps reduce cost...Inventory Counting Company Track your Inventory with our State... Customer Access | Employee Access Contact Us | Feedback | Site-Map About MSI In 1969, when MSI Inventory Service... and customer service, MSI has redefined inventory counting, saving customer's time and money by consistently and reliably delivering accurate, unbiased inventory results. Based...