Sully-Miller Contracting Co. Since its establishment in 1923 by George W. Sully and Earl B.

Miller, the company has been dedicated to providing top-notch services in Southern California. With their expertise in infrastructure construction, Sully-Miller has played a vital role in connecting communities through the development of highways and other crucial projects. Over the years, Sully-Miller has earned the confidence of countless clients who have entrusted their projects to them.

This confidence has driven their growth and allowed them to expand their capabilities and resources. As part of the Colas Group, Sully-Miller has the technical and financial strength to undertake a wide range of infrastructure projects, including roads, highways, airports, and commercial private works. What sets Sully-Miller apart is their emphasis on single-source contracting, enabling them to maintain control over quality and costs.

With their vertically integrated company, they streamline projects to ensure maximum cost efficiency, quality, and service. Additionally, Sully-Miller self-performs more than 50% of the work on all contracts, making them the most versatile general contractor in the region. In partnership with United Rock Products and Blue Diamond, subsidiaries of the Colas Group, Sully-Miller has access to locally sourced aggregate materials and high-quality asphalt mixtures, further enhancing their capabilities.

With their extensive resources and commitment to excellence, Sully-Miller is your go-to choice for infrastructure construction projects