Attendance is expected to surpass 80,000 as the two shows once again joins forces to showcase the largest annual event geared toward design and construction industry professionals.
Magnolia Plumbing, Heating, and Cooling ― a family-owned business with offices in Washington and suburban Maryland ― claims it is owed $2.98 million for plumbing and air conditioning work performed on the hotel, which occupies the historic Washington Old Post Office.