Osburn Associates Inc. conducts business as two segments. Outside Plant Utility and Traffic Control Signs. The Outside Plant ... segment has been doing business since 1982 where we manufacture PVC sweeps, enlarging/reducing fittings and Underbridge conduit support systems. Osburn is also a distributor of HDPE, PVC, Steel and Fiberglass conduit, Quazite hand holes, Condux International products, Multilink enclosures and many others. Our newest Traffic segment has been operating since 2000. We are a full scale manufacturer of traffic control, street name and extruded panel signs. Osburn also distributes a large volume of reflective sheeting from Avery and 3M products. We have all the required products for your safety needs as well. Cones, barrels, roll up signs, stands, safety vests, gloves, hard hats and safety strobe lighting. read more