OSLO Builders believes in the power of the built environment to shape our urban centers, and we are dedicated to delivering projects that address the needs of all stakeholders beyond the ribbon cutting. Our projects are built to last. The OSLO founders are trained as engineers, and we have been delivering complex, sustainable projects as general contractors for the past 17 years. We are fluent in the language of building design excellence, regardless of scale. Building in the Chicagoland area.