Alliance Environmental Group Acquires Thermatech Northwest Inc.

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.

Nwestco Acquires Able Clean-Up Technologies, Inc.

February 1, 2024

Environmental Services

Denver-based Nwestco, LLC has acquired Able Clean-Up Technologies, Inc., a Spokane, Washington environmental services provider, in a deal completed January 31, 2024. The acquisition expands Nwestco's environmental services capabilities and regional footprint across WA, ID and MT; terms were not disclosed. Nwestco is PE-backed following a June 2023 recapitalization by Guardian Capital Partners, which supported the strategic add-on.

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.

Tanknology Acquires Northwest Tank and Environmental Services

April 20, 2023

Environmental Services

Tanknology Inc., a subsidiary of D&H United Fueling Solutions and a global provider of environmental compliance testing and fuel-quality services, has acquired Northwest Tank and Environmental Services, a Woodinville, Washington–based provider of underground storage tank compliance services and meter calibrations. The acquisition expands Tanknology's geographic capacity in the U.S. Northwest, adds technical staff and capabilities, and enables the combined company to offer additional proprietary testing and inspection services.

RMA Companies Acquires Northwest Geotechnical Consultants (Northwest Geotech)

December 6, 2022

Engineering Services

RMA Companies has acquired Northwest Geotechnical Consultants, Inc. (dba Northwest Geotech), a Pacific Northwest provider of geotechnical engineering, environmental consulting, construction inspection, and construction materials testing services. The deal is an add-on to RMA's testing and inspection platform (RMA is a portfolio company of OceanSound Partners) and expands RMA's soil mechanics lab capabilities and regional presence in Oregon.

Alliance Environmental Group Acquires Coast Environmental

February 24, 2021

Environmental Services

Alliance Environmental Group, LLC has acquired Coast Environmental, a Carlsbad-based provider of indoor air quality management and life-safety services to hospitals and healthcare facilities. The acquisition expands Alliance's environmental remediation and HVAC/IAQ service capabilities, adding expertise in fire stopping, fire damper testing, containment for infection control, kitchen exhaust cleaning, HVAC refurbishment and mold remediation.