Harrison History We can trace our roots in the Twin Oaks Valley area back to the late 1800s. The area at that time was all farming & ranching. After World War II, our direction changed, from growing our own, to the serving of others in the business. We now have spent over half a century focusing on repairs and servicing agriculture equipment. Now we service and maintain all types of tools, including lawn & landscape, construction, outboard motor repair & arborist equipment. We have been serving your equipment needs longer than any other around!