Nannini and Callahan Excavating is a local family business that has been servicing Orange County and the surrounding area for over 30 years. Nannini and Callahan’s wide range of services, experience and creativity has made it possible to meet the many needs of our residential, commercial and industrial community. We at Nannini and Callahan strive for excellence. We give each and every job our undivided attention in order to meet the highest expectations of our customers. Please take the time to navigate our site to see how we can guide you on your next project.