Rifenburg Companies is a 100% Certified Employee-Owned heavy civil construction firm headquartered in Troy, New York. With over six decades of experience, Rifenburg specializes in infrastructure development, completing more than $90 million in projects annually for municipalities, state agencies, and private companies across industrial, commercial, and residential sectors. Founded by Ken Rifenburg, the company began with small New York State Department of Transportation projects and has grown to employ more than 350 team members. Rifenburg provides a range of services, including highway construction and restoration, site development, landfill technologies, environmental clean-up, utilities installation, mining, aggregate sales, equipment sales and leasing, and airport maintenance and runway reconstruction.

In 2024, Rifenburg Companies became 100% Employee-Owned, ensuring long-term stability and reinforcing a culture of commitment, accountability, and shared success. This transition recognizes the contributions of its employees, who have played a key role in the company's continued growth and reputation for quality, safety, and customer satisfaction.