The Olen Corporation has been providing quality aggregate products to Central Ohio for over 55 years. The proud history began ... at Olen’s first quarry off State Route 315 in Columbus Ohio, which is now the site of Antrim Park. Today The Olen Corporation produces and sells more than 3.5 million tons of aggregates annually with locations in Columbus, Fredericktown, St Louisville, Upper Sandusky, Wooster, Woodville and Cleveland. Olen is dedicated to being a good steward of the environment and a respectable neighbor in the community. The Olen Corporation is committed to providing quality products and exceptional customer service, whether a construction company on a large project or a homeowner doing an improvement project. read more