Indiana Sign & Barricade, Inc. (ISB) is a certified DBE and WBE firm offering traffic work zone safety solutions including the sale and rental of construction signs, drums, barricades, cones, stop/slow paddles, flags, safety vests, tubular markers, jersey barrier wall, temporary and permanent pavement marking system products, arrow boards and changeable message boards. ISB also self performs and competitively bids temporary and permanent pavement markings, grinding/grooving and MOT projects in the state of Indiana. ISB is also a distributor for the SMART CUSHION INNOVATIONS (SCI) crash attenuators.