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About Koski Construction Company

Koski Construction Company is a Heavy Highway Contractor and Asphalt Producer with over 100 years of history in the Ashtabula, Ohio area. We pride ourselves on providing high-quality asphalt paving and construction services to our community. Our state-of-the-art mixing plant on 5th Street allows us to efficiently produce the materials needed for any project. At our headquarters located on Woodman Ave., our experienced team works together to ensure every project is completed to the highest standards.

Koski Construction Roller
Koski Construction Roller 2
Our vision is to continually surpass our internal performance standards, enabling us to offer our clients high-quality services without compromising on volume. We aspire to build a cohesive team united by a shared commitment to timely delivery, uncompromising excellence, integrity, and meticulous attention to detail. This forms the backbone of our industry-leading reputation.
Koski Construction Sign
Koski Construction Paver
Since 1921, Koski Construction Company has been a leader in the asphalt construction industry. With a century-long legacy, Koski Construction Co. aims to solidify its position as the premier choice in the Paving Industry. We are committed to nurturing the community and state's trust through consistently delivering exceptional services and tailored solutions in paving and asphalt. We aim to be the go-to, comprehensive service provider for all paving needs, ensuring best-in-class quality and customer experience.
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