 Additionally, RailDOCS has worked closely with the FRA to ensure compliance with industry standards and federal regulations for signal maintenance.On November 3, 2009 RMI, acquired ExpressYard, a Flint, Michigan-based provider of SaaS software applications that support the billing of railcar repairs for contract shops and railroads in North America.Since 2002, ExpressYard has provided SaaS software solutions that enable contract repair shops and railroads to manage the billing for railcar repair work.