Designs by Mark, Inc. We will Design & Build your dreams! We are a full service Design/Build firm specializes in interior design, additions, renovations, kitchens & bathrooms, home theaters, basements and more. Designs by Mark, Inc. unites award-winning design services with quality craftsmanship to create a living space that will exceed your expectations. To learn more about our custom remodeling and interior design services please contact us for a free consultation, 215-357-1468. Feel free to visit us online at: www.designsbymarkinc.com. Designs by Mark - Making the ordinary... Extraordinary!