Onterris 

Montrose Environmental Group, Inc. (MEG) is a U.S.-based firm specializing in comprehensive environmental services. Its operations are organized into three primary divisions: Assessment, Permitting, and Response; Measurement and Analysis; and Remediation and Reuse. The Assessment, Permitting, and Response division offers expert consulting and scientific advisory services. It assists clients with environmental assessments, secures necessary permits, conducts environmental audits, and provides toxicology advice. This division also manages emergency responses and recovery efforts, supporting various projects from new developments and facility upgrades to existing operations and decommissioning. Key offerings include regulatory compliance planning and support, as well as comprehensive ecological and toxicological evaluations to navigate environmental challenges. The Measurement and Analysis division is dedicated to rigorous environmental diagnostics. It performs testing and analysis of air, water, and soil samples to identify contaminant levels and assess their potential toxicological effects on wildlife, plant life, and human well-being. Services encompass comprehensive air quality testing (both source and ambient), leak detection, and advanced laboratory analyses for various water types, including stormwater, wastewater, and potable water. Finally, the Remediation and Reuse division focuses on environmental cleanup and resource recovery. It offers engineering, design, implementation, and ongoing operations and maintenance services. Its primary objectives are treating polluted water, extracting contaminants from soil, and generating biogas from waste materials. MEG's diverse client base includes the technology, media, chemical, energy, power and utility, industrial and manufacturing, financial, and engineering sectors, alongside governmental bodies at local, state, provincial, and federal levels. Established in 2012, Montrose Environmental Group maintains its corporate headquarters in North Little Rock, Arkansas.