Grapple trucks and Grapple loaders can make your operations of bulk waste collection and storm debris much safer and efficient. You found Petersen Industries, home to the original, legendary Petersen Lightning Loader®. For 60 years, Petersen Industries has served customers throughout the world, with our focus on manufacturing in-house and offering industry-leading knuckle boom loaders and dump bodies. Our heavy-duty Lightning Loaders® are known worldwide for safe and efficient bulky waste collection and container transport.