Contact Us.

With headquarters in Pittsburgh, PA., we operate from 10 strategically located business units throughout the United States including Western Pennsylvania (Pittsburgh), Eastern Pennsylvania (Warrington, PA), New Jersey (South Brunswick), New England (Wilmington, MA), Ohio (Columbus and Athens, OH), Michigan (Pontiac and Ann Arbor, MI), Southern California (Seal Beach, CA), and Mid-Atlantic (Laurel, MD). Our design engineering and innovation center, Limbach Engineering & Design Services, is based in Orlando, Florida.

Harper, a Limbach Holdings, Inc. company, operates throughout Florida with offices in Tampa and Lake Mary, North of Orlando.