Martenson & Eisele, Inc is a professional design firm offering a comprehensive range of planning, environmental, surveying, engineering, and architectural services. Located in Menasha, Wisconsin with a branch office in Omro, Wisconsin, Martenson & Eisele, Inc. works with the public sector in planning, designing, and building the infrastructure and facilities needed to serve the residents of a community, and with the private sector in planning, designing, and building residential, commercial, and religious projects. “Plan It. Design It. Build It."