Ragnar Benson Construction is a General Contractor located in Chicago, Illinois. We specialize in passenger and heavy rail co ... nstruction, as well as mid-to-large size healthcare, higher education and commercial building projects. Ragnar Benson has been serving the local and national construction industry since 1922. We are a client oriented company that focuses on long term relationships in key markets as well as emerging markets in various portions of the construction industry. read more