 It is the largest conference of its kind for the residential and light commercial construction industry.IBS is now co-located with the National Kitchen & Bath Association's Kitchen & Bath Industry Show® for Design and Construction Week, bringing together nearly 100,000 attendees focused on the home building and remodeling industries.The National Housing Endowment, the philanthropic arm of NAHB, is a 501(c)3 non-profit organization dedicated to helping the housing industry develop more effective approaches to home building, enhancing education and training for future generations of leaders in residential construction and increasing the body of knowledge on housing issues.