Kokosing excels at tackling the toughest parts of any construction project – from bridges to treatment plants to subaqueous cable installation. Whether we are self-performing construction work or providing quality construction materials, Kokosing is dedicated to providing our customers with unparalleled expertise and resources.


Current Openings

Our culture is developed around people as the centerpiece of the organization.

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Areas We Serve

Kokosing’s local offices in the Midwest and Mid-Atlantic support our operations across the US.

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Our Companies

Kokosing is one of the largest family-owned construction companies in the Midwest and Mid-Atlantic. Known for unwavering integrity and exceptional safety and quality, Kokosing companies provide extensive resources for our customers. Kokosing’s primary business lines include industrial, transportation, pipelines, water and wastewater, marine and renewable energy. Additionally, Kokosing owns construction material supply companies.

Our Companies

Together, We Can Build It All

The Kokosing group of companies is comprised of several companies, each with a unique ability to provide an endless number of construction possibilities for a wide range of market sectors in the Midwest and Mid-Atlantic regions.

Kokosing Construction Company is a market leader in self-performing transportation and sitework projects ranging from highways, bridges, paving, and mass excavation.

Kokosing Industrial specializes in heavy civil, industrial manufacturing, marine, power and energy, and water treatment construction for both public and private clients.

McGraw Kokosing is an industrial maintenance contractor with extensive pipe fabrication capabilities serving a vast array of customers.

Integrity Kokosing Pipeline Services offers a full range of pipeline construction services, including installation and maintenance of pipeline systemswater resourcesintegrity managementfacility work, and fabrication.

Kokosing Materials, Inc. is dedicated to making quality asphalt products and providing the best customer service across Ohio.

The Olen Corporation and Area Aggregates provide high-quality aggregates including sand, gravel, and limestone to businesses and homeowners in and around Ohio.


Heavy Civil Constructoin projects
Industrial Maintenance
Depend on our extensive marine services
Power and Energy
Water & Wastewater Treatment Plant

Looking for a new JOB? Your career starts here

we work safe. | we work hard. | we work smart.

Kokosing has been built on the foundation that our people are our most valuable resource.