BSEG (Building Systems Engineering Group) is a full-service consulting engineering firm specializing in mechanical, electrical, plumbing and fire protection engineering. Our firm was recognized as one of the “Fastest Growing Companies” in the Lehigh Valley for 2017 and 2018. We provide consulting engineering for Cultural, Mission Critical, Corporate Facilities, Office Buildings, Research, Educational, Residential, Government, Retail, Healthcare, Senior Living, Hospitality, Transportation, and Industrial Facilities. Our principals are licensed in PA, NY, NJ, CT, DE, VA, IL, CO, NC, ND, TX, FL, DC and MD with NCEES Accreditation.