At Ottawa General Contractors (OGC) Design + Build, we understand that a home renovation is more than just construction—it’s an extremely personal experience that transforms a house into a dream home.

5. Professional Guides: We have all heard the stories of design and construction getting out of hand and messy. However, design and construction should not be chaotic or stressful. The design-builder ...

A $105-million design-build contract to build a 72-mile, high-capacity water transmission pipeline to carry water from the Missouri River to southeastern South Dakota has been awarded to a joint ...