Complete skateboards. Sector Nine longboards are based in San Diego, CA. Sector 9 Longboards has produced quality longboard products since 1993. We carry the widest variety of Sector 9 boards. We will match or beat any legitimate price - call us at 650.289.0900 or email us. Sector 9 is all about flex. They are the most flexible boards available. Sector 9 longboards are great for just cruising, downhill and carving up your city streets.