News

July 22^th, 2021 – Alliance Technical Group, LLC (“Alliance”) completed its 13th add-on acquisition with the purchase Ambient Air Services, Inc. (“AASI”), located in Starke, FL.  Ambient provides stack testing, ambient air monitoring, and CEMS installation and maintenance services to customers throughout the United States.

NEW YORK – Investment funds managed by Morgan Stanley Capital Partners (“MSCP”), the middle-market focused private equity team at Morgan Stanley Investment Management, have acquired a controlling interest in Alliance Technical Group (“Alliance” or the “Company”), from Align Capital Partners. MSCP is partnering with the current management team led by CEO Chris LeMay, who will continue to lead the business.

CLEVELAND and DALLAS, July 20, 2021 – Align Capital Partners (“ACP”) is pleased to announce the sale of its environmental testing and compliance platform Alliance Technical Group (“Alliance” or the “Company”) to Morgan Stanley Capital Partners (“MSCP”).

Alliance Technical Group, LLC (“Alliance”) completed its 12th add-on acquisition with the purchase of Horizon Air Measurement Services, Inc. (“Horizon”), located in Camarillo, CA.  Horizon provides stack testing services to customers throughout California and the Western United States.

Alliance Technical Group, LLC (“Alliance”) completed its 11th add-on acquisition with the purchase of Air Quality Services (AQS).  AQS provides air-related environmental services including stack testing, continuous emissions monitoring (CEMS), and ambient air monitoring to customers throughout the central United States.

Alliance Technical Group, LLC (“Alliance”) completed its 10th add-on acquisition with the purchase of the air testing and monitoring division of O’Brien & Gere, a division of Ramboll (“Ramboll Air Testing and Monitoring”).  Ramboll Air Testing and Monitoring provides source emission testing (stack testing) and ambient air monitoring services to customers throughout the Northeastern and Midwestern United States.

The addition of EMSI is an important growth investment for Alliance, which continues to actively build its premier emissions monitoring platform to complement its best-in-class source testing and analytical services, groups.  Strategically, EMSI bolsters Alliance’s national presence and provides increased capabilities to effectively and efficiently respond to corporate-wide, complex emissions monitoring projects.  The partnership also increases the range of monitoring and inspection services that Alliance is able to provide its customers.