37 Real estate development; land development services for others, namely, planning and laying out of residential spaces, residential buildings, retail spaces, green spaces, food service spaces, commercial spaces, commercial buildings, and mixed-use buildings; construction, maintenance, and repair of residential spaces, residential buildings, retail spaces, commercial spaces, commercial buildings, restaurant and food service spaces, mixed-use buildings, and recreational facilities; land development services for others, namely, planning and laying out of senior living facilities and commercial buildings for the life sciences industry; construction, maintenance, and repair of senior living facilities and commercial buildings for the life sciences industry