Prairie Restorations, Inc. (PRI) was founded in 1977, one of the first companies, nationally, devoted exclusively to designing, restoring and managing native prairie plant communities. In three decades we've grown from three employees in a single location to a full-time staff of 45 in six locations throughout Minnesota. While our mission has not changed, our scope has. Not just about prairies anymore, we've expanded our expertise and our services. Ask us about restoring wetland, woodland and shoreline plant communities..