Associated Builders and Contractors NH/VT will be back again this year with their LEGO challenge!
MSI Mechanical Systems Inc. will return with their brazing copper pipe demo with a torch!
Metro Walls Inc. will be doing a drywall demo with students.
NH Land Surveyors Association will be in the center field area again doing surveying demos.
McFarland Johnson will be part of the Engineering Challenge in the Big Barn!