Commercial Construction company that specializes in design build, general contracting, and construction management. located in Oconomowoc, Wisconsin. since 1945. What type of experience should you anticipate when working with the OLIVER team? You will find the OLIVER team professional, personable, both flexible and knowledgeable, and proactive when changes are required. Though we never lose focus on working within our clients’ requirements, we realize that our business goes beyond bricks and mortar. Our team is committed to professionalism, excellence, and to the idea that there is no substitute for client satisfaction. We understand the relationship between design, cost, and creative design/build solutions that maximize your budget.