R & R Components Inc. specializes in the design of complex roof trusses including, tray ceilings, vaults, cathedrals, scissors, attics, gambrels and dual pitches for commercial and residential builders. Based in York, Pa., it offers state-of-the-art engineering and design services and serves projects throughout Pennsylvania and Maryland. R & R Components Inc. is a member of the Wood Truss Council of America (WTCA), Truss Plate Institute (TPI), York County Builders Association and Home Builders Association of Maryland.