Celnor Group Acquires John Turner Consulting

Turner Construction Company Acquires Dornan Engineering Group

July 24, 2024

Industrial Services

Turner Construction Company has agreed to acquire 100% of Irish-headquartered Dornan Engineering Group. The deal is expected to accelerate Turner’s strategic growth in Europe by adding Dornan’s specialized mechanical, electrical, instrumentation, and commissioning engineering capabilities for advanced-technology projects.

Construction Testing Solutions Acquires Nicholls Colton Group Ltd

February 1, 2021

Engineering Services

Construction Testing Solutions (CTS) has acquired Nicholls Colton Group Ltd, an independent construction testing and consultancy business headquartered in Leicester. The deal brings over 100 staff and in‑house chemistry testing capabilities to CTS, strengthening its UK construction testing offering and creating operational synergies; former owner Ian Elliot will join CTS as a Director to support integration.

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

December 27, 2023

Environmental Services

Alliance Technical Group acquired Chemtech Consulting Group, Inc. (Mountainside, New Jersey) and the air testing operations of Civil & Environmental Consultants, Inc. (locations in St. Louis, Charlotte and Knoxville) to expand its laboratory and air emissions testing capabilities and geographic footprint. The air testing carve‑out was a divestiture by CEC (advised by AEC Advisors); Alliance said the deals broaden its service coverage across key U.S. markets.

CMT Technical Services Acquires CTC-Geotek, Inc.

October 21, 2022

Engineering Services

CMT Technical Services, a portfolio company of CAI Capital Partners, has acquired CTC-Geotek, a Denver-based consulting engineering firm specializing in construction material testing, inspection, geological consulting, and geotechnical and environmental engineering. The add-on strengthens CMT’s presence and service offering in Colorado and integrates CTC leadership into CMT’s Colorado inspection services team.

G2 Consulting Group Acquires Construction Testing Services to Expand in Michigan

January 26, 2026

Engineering Services

G2 Consulting Group, a Troy-based geotechnical, environmental, and construction engineering firm, acquired Construction Testing Services (CTS), a long-established engineering services provider with more than 40 years of experience in Michigan’s Bay Area and Thumb region. The deal adds CTS’s nine-person team to G2’s platform, strengthening G2’s in-state footprint and expanding service capabilities for CTS customers. Financial terms were not disclosed, and G2 plans to maintain the CTS office and staff as integration and transition planning get underway.

UES Acquires Riner Engineering

June 6, 2023

Engineering Services

UES, a national engineering and consulting firm, has acquired Riner Engineering, a Houston-based geotechnical engineering and construction materials testing firm. The acquisition expands UES's technical capabilities and presence in Texas, adding Riner's ~170 staff and multiple Texas offices to UES's Texas Region.