Mary Ruiz

Established in 1986, Quaternary Resource Investigations, LLC (QRI) is an Economically Disadvantaged Woman Owned Small Business (EDWOSB) headquartered in Baton Rouge, Louisiana. Over the past 35 years, QRI has grown through acquisitions and through the hard work of a staff that believes in our Core Values. QRI provides environmental consulting, geophysical assessments, environmental remediation, emergency response and construction services. We excel at providing these services to government and commercial clients, as well as the petrochemical and oil and gas industry. QRI delivers professional, on-time and cost-effective results to our clients and partners with Quality, Reliability and Integrity – that’s our promise to you!