Shamrock Construction

Altmann Construction Company, Inc. is dedicated to exceed your expectations and to achieve construction of the highest quality and maximum value through craftsmanship, communication, and professional teamwork. We provide the full range of construction services including design-build, general contracting, construction management, concrete and masonry work, site work, and carpentry.

In 1961 M.P.B. Builders was established in Ripon, Wis., as a post frame contractor for agricultural buildings. The company has since grown into an industry leader in post frame construction. M.P.B. Builders designs, engineers and constructs many buildings from commercial to agricultural, residential and equine buildings. M.P.B. Builders is a diverse company by not only building post frame structures, but also stud frame buildings, material supplier to contractors, custom digging, drilling and equipment rental. As a general contractor, M.P.B. Builders takes care of all building needs from excavation to the mechanicals.

Founded in 1977, PortSide Builders provides a range of design, land planning, remodeling and construction services. It specializes in the development, design and building of single-family and multifamily residential units. The employee-owned company also offers a variety of commercial construction solutions. PortSide Builders has a working relationship with Wisconsin Log Homes. It serves clients in Door, Kewaunee, Fox Valley, Brown, Outagamie and Winnebago counties in Wisconsin. In addition, the company has a home design center that houses a collection of more than 700 home plans. PortSide Builders provides services for interior and exterior home applications. It also maintains a showroom.