Municipalities Healthcare Higher Education Projects Public Schools County Projects Wineries Commercial/ Private Multi-Family Custom Residential Division Sonoma and Napa counties are home to countless vineyards and wineries. One such winery is the new Mondavi Winery. F.D.C. contracted with Wayne Maples Plumbing & Heating for project. Back to the top of the page Our qualification for commercial & public projects • Main page • Home • E-mail Us Content from this site may not be duplicated without permission.