The recently completed United Therapeutics headquarters building, the Unisphere, constructed in downtown Silver Spring, Maryland, has been certified LEED Platinum. The Bell Company, working as a subcontractor for the Whiting-Turner Contracting Company, was responsible for all Mechanical and Plumbing construction.
Bell participated in the 7th Annual Charleston, SC STEM Festival on March 7, 2020 with the Associated Builders and Contractors (ABC).