 LITTLE ROCK, Ark.--BUSINESS WIRE--Montrose Environmental Group, Inc. Montrose NYSE: MEG today announced the relocation of its principal executive office from Irvine, California to North Little Rock, Arkansas. The relocation is effective today. Montrose continues to invest in and grow in all our key markets, including both California and Arkansas. We remain fully committed to our teams, clients and communities in both states. Our Board of Directors and management team are grateful for t 