Principle Supply Company has been supplying the Construction, Industrial and Maintenance Industries with Quality Products and Services throughout the Greater Philadelphia Area since 1995. Located in Center City, Philadelphia, our brick and mortar building offers convenient off street parking, loading area and helpful staff. Our store hours are Monday thru Friday 7:00 am to 4:30 pm. We are an authorized dealer for many tool manufactures such as Dewalt, Black & Decker, Delta, Porter Cable, Milwaukee, Bosch, Skil, Makita, Hitachi, Fien, Paslode, Ramset and many others. We also have a wide variety of hand tools, fasteners, material handling, surface protection, safety equipment and much more.