O’Riordan Bethel congratulates its client IH Services, Inc.! The Maryland Department of Transportation (MDOT) has certified IH Services as a Maryland Disadvantaged Business Enterprise (DBE) as well as a Maryland Minority Business Enterprise (MBE). IH Services is now an MDOT certified DBE/MBE for Environmental Consulting Services. Baltimore, Md.-Based IH Services, Inc. specializes in the oversight...