National Development is an interdisciplinary real estate company that provides development, construction, asset management and investment acquisition services. The Newton, Massachusetts-based firm is ranked as one of the largest development companies in Massachusetts. National has a diverse product base with major projects in the office, industrial, retail, senior housing, multifamily, hotel and institutional sectors. Since 1983, National Development has developed over ten million square feet in 30 communities throughout the region. In addition, the firm manages over six million square feet of assets.