Alliance Technical Group Acquires Chemtech Consulting and Air Testing Operations from Civil & Environmental Consultants

Alliance Technical Group Acquires CK Environmental

June 28, 2022

Environmental Services

Decatur, Alabama-based Alliance Technical Group has acquired CK Environmental, an air emissions testing and environmental consulting firm headquartered in Canton, Massachusetts. The acquisition, which closed on June 28, 2022, adds CK Environmental's stack testing, QA/QC and maintenance capabilities to Alliance's national source-testing and emissions monitoring platform.

Alliance Technical Group Acquires Four Environmental Laboratories Nationwide

November 17, 2023

Environmental Services

Alliance Technical Group, a Morgan Stanley Capital Partners–backed environmental testing and services platform, has acquired four independent environmental laboratories — Summit Environmental Technologies (Cuyahoga Falls, OH), Fremont Analytical (Seattle, WA), Orange Coast Analytical (Los Angeles, CA / Phoenix, AZ) and CHESTER LabNet (Portland, OR) — to build a nationwide laboratory network. The add-on deals expand Alliance's capabilities beyond air testing into water, hazardous waste, soil and PFAS/XRF analyses and broaden its geographic coverage across the United States.

Alliance Technical Group Acquires Environmental 360

June 20, 2025

Environmental Services

Alliance Technical Group acquired Environmental 360, LLC to expand its environmental consulting, monitoring, and compliance capabilities. The deal strengthens Alliance's onsite field services and emissions/compliance monitoring offerings for industrial clients across the United States.

Alliance Technical Group (ACP-backed) Acquires Air Quality Services (AQS)

April 1, 2021

Environmental Services

Alliance Technical Group, the environmental testing and compliance platform backed by Align Capital Partners, has acquired Air Quality Services (AQS), a 1998-founded provider of stack testing, ambient air monitoring, and CEMS services based in Evansville, Indiana. The add-on expands Alliance’s service capabilities into continuous emissions monitoring and strengthens its Midwest footprint.

Morgan Stanley Capital Partners Acquires Alliance Technical Group from Align Capital Partners

July 20, 2021

Environmental Services

Morgan Stanley Capital Partners (MSCP) has acquired a controlling interest in Alliance Technical Group, a Decatur, Alabama–based provider of air emissions testing, monitoring and analytical services, from Align Capital Partners. MSCP will partner with Alliance's management led by CEO Chris LeMay to continue geographic expansion and M&A-driven growth while the management team and employees retain a meaningful ownership stake.

Montrose Environmental Group Acquires Environmental Chemistry, Inc.

October 11, 2021

Environmental Services

Montrose Environmental Group (NYSE: MEG) has acquired Environmental Chemistry, Inc. (ECI), a Houston-based full-service environmental laboratory. ECI will be integrated into Montrose's Measurement and Analysis segment and operate as part of Enthalpy Analytical, expanding Montrose's water and soil testing capabilities in the Gulf Coast region; terms were not disclosed.