Our management team has extensive experience in both public and private works; from major earthmoving projects, sewer and water treatment plants, pump stations and joint trench installations, to all phases of underground construction, paving, commercial and industrial projects, subdivisions, wineries, schools and high-end residential homes. Oak Grove’s team approach assures in-depth involvement with each project and every client will receive the attention and expertise necessary for it to be truly successful.

  • Tony Delfino - General Superintendent

    With over 20-years of construction field supervision and experience, Tony oversees all field operations, multi-tasking between project scheduling, jobsite safety training, quality control and all other field activities.


  • Ryan Smith – Project Manager

    A graduate from Cal State University, Chico with a Construction Management Degree, Ryan tackles marketing, cost estimates, budgets, development and maintenance of current and historical cost data, value engineering, bid presentations and project management.


  • Bob Sweeney - Senior Estimator, Consultant

    Holding both Civil Engineering and Law Degrees from University of Santa Clara, and with more than 35-years of construction experience, Bob brings unparalleled experience and knowledge to every estimate he addresses.


  • Doug Hamilton - President and Owner

    Doug Hamilton began his construction career in 1981 after graduating from Cal Poly, San Luis Obispo with an honors degree in Construction Engineering. His professional development spans the full spectrum of engineering construction. From his beginnings as a pipe layer for Soiland Company, his skills quickly grew to where he was managing multiple and concurrent multi-million dollar projects in his 13 years of service with NBC.


Doug’s commitment to the construction industry has twice garnered him the prestigious "Contractor of the Year Award" from the Northern California Engineering Contractors Association (NCECA), where he has served as the association’s President. He shares his construction knowledge teaching Construction Management through the ECA and at Sonoma State University. His commitment to the industry is matched by his company's commitment to community, which includes volunteering both personal time and company's assets to a wide variety of community service organizations and projects, every year.

"As Oak Grove Construction's owner and president, my focus is on our clients and their projects. I build relationships between our team, a project's owners, their design and engineering professionals, and geotechnical engineers to construct lasting improvements that everyone will be proud of."