IBS Industrial has emerged as an industry leader in managing commercial accounts receivable by providing unmatched customer service at competitive prices. Founded in Decatur, Alabama in 1984 with only 5 employees, Interstate Billing Service has grown to employ more than 110 people. Together we serve over 500 clients with annual receivables exceeding $2.5 billion, while handling the billing and collecting of an average customer base of over 100,000.