Jim Thorpe River Adventures - Offers whitewater trips on the Lehigh River, in the Pocono Mountains. - http://jtraft.com/
White Water Adventurers, Inc. - Guided, and self-guided white water rafting at Ohiopyle State Park, 70 miles from Pittsburgh, PA. - http://www.wwaraft.com/
Pocono Whitewater Adventures - Whitewater rafting, river canoeing, paintball, biking, hiking, and kayaking on the Lehigh River and in Lehigh Gorge State Park. - http://www.whitewaterrafting.com/
Laurel Highlands - Offering rafting trips in the Ohiopyle State Park. Thirty eight years of river guiding experience. Based in Ohioplye, PA. - http://www.laurelhighlands.com/
Wilderness Voyageurs - Offers historical and family float trips and whitewater rafting in Pennsylvania on the Youghiogheny river, in West Virginia on the Cheat, Tygart and Big Sandy Rivers, and in Maryland on the Upper Yough. Includes information about the trips, prices, photos - http://www.wilderness-voyageurs.com