Daniel O'Connell's Sons offers clients construction management and project planning services backed by 125 years of experience. We are not, however, an ordinary construction manager. We are uniquely focused on planning and implementing our clients' most challenging projects - ones that are technically complex or require exceptional engineering or management expertise. We also understand how to manage these complex projects while respecting the people, activities, and landscape surrounding our work. Please visit our company web site for more information about DOC. Construction management and project planning services backed by 125 years of experience.