
Stack Test News
Alliance Technical Group makes first acquisition of the year: C.E.M. Solutions, a leading Continuous Emissions Monitoring Systems Provider
Decatur, AL, Feb. 2, 2022 – Alliance Technical Group, L.L.C. (“Alliance”), a company backed by investment funds managed by Morgan Stanley Capital Partners (“MSCP”), completed its first acquisition in 2022 with the purchase of C.E.M. Solutions, Inc. Headquartered...
Alliance Technical Group completes two acquisitions: Interpoll Laboratories and Ace Environmental Consultants
December 8th, 2021 – Alliance Technical Group, LLC (“Alliance”), a Morgan Stanley Capital Partners (“MSCP”) backed company, has advanced their rapid growth trajectory by completing two new acquisitions during the past month. Alliance acquired Ace Environmental...

Alliance Technical Group Expands West Coast Presence with Acquisition of Horizon Air Measurement Services, Inc.
June 18th, 2021 – 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...

Alliance Technical Group Enters New Market with Air Quality Services (AQS) Acquisition
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...

Expansion Continues for Alliance Technical Group with Acquisition of O’Brien & Gere / Ramboll’s Air Testing and Monitoring Division
April 12, 2021 – 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...

Alliance Continues Growth in California with Acquisition of Aeros Environmental
February 3, 2021 – Alliance Source Testing, LLC (“Alliance”) has completed its first add-on acquisition of 2021 and eighth overall with the purchase of Aeros Environmental, Inc. (“Aeros”) located in Bakersfield, California. Aeros provides source emission testing...

Expansion Continues for Alliance Source Testing with Acquisition of Almega
November 30, 2020 – Alliance Source Testing, LLC (“Alliance”) has completed its fourth add-on acquisition of 2020 and seventh overall with the purchase of Almega Environmental Corporation (“Almega”) located in Los Angeles, California. Almega provides source emission...

Expansion Continues for Alliance Source Testing with Acquisition of Blue Mountain
November 8, 2020 – Alliance Source Testing, LLC (“Alliance”) has completed its sixth add-on acquisition with the purchase of Blue Mountain Environmental Management Corporation (“Blue Mountain”). Blue Mountain provides source emission testing (stack testing) services...
Expansion Continues for Alliance Holdings, LLC with Acquisition of Bureau Veritas Emissions Monitoring Group
September 1, 2020 – Alliance Holdings, LLC (“Alliance”) has completed its fifth add‐on acquisition with the purchase of the US‐based Emissions Monitoring division (“EM”) of Bureau Veritas, a recognized world leader in testing, inspection and certification services....

Stack Testing Webinar Series
Join Alliance Source Testing (AST) experts for our free Stack Testing webinar series. Register for any or all three of the upcoming courses to learn best practices and advanced techniques that will help you prepare for and manage future stack testing events. One CEU...