Barge Design Solutions Acquires Environmental Consulting & Design (EC&D)

Stantec Acquires Environmental Systems Design, Inc.

June 8, 2023

Engineering Services

Stantec has signed an agreement to acquire Environmental Systems Design, Inc. (ESD), a 270-person Chicago-based engineering firm specializing in mission critical and data center design. The deal—terms undisclosed and expected to close June 30, 2023—deepens Stantec's mission-critical/data center capabilities and expands its U.S. MEP and structural engineering practice by roughly 40%.

GZA GeoEnvironmental Acquires Ecosystem Consulting Service (ECS)

April 12, 2021

Environmental Services

GZA GeoEnvironmental Inc. has acquired Ecosystem Consulting Service (ECS), a Coventry, Connecticut-based specialist in nature-based water-quality management and applied limnology. ECS will operate as a division of GZA from its Coventry location, with ECS President Dr. Robert W. Kortmann joining GZA as a Senior Consultant to expand GZA's water-quality and ecological capabilities.

Verdantas Acquires cbec eco engineering

August 15, 2024

Environmental Services

Verdantas, a Sterling Investment Partners–backed environmental science and engineering firm, has acquired cbec eco engineering to expand its water resources and ecological restoration capabilities in the Western United States. The acquisition brings roughly 40+ water-resources and restoration specialists into Verdantas, strengthening its coastal, estuarine, riverine and wetland service offerings in California and beyond.

Bowman Consulting Group Acquires Project Design Consultants

July 18, 2022

Engineering Services

Bowman Consulting Group Ltd. (Bowman) has acquired Project Design Consultants (PDC), a San Diego–based civil engineering, surveying, planning and landscape architecture firm founded in 1976 with approximately 65 employees. The stock purchase (with a Section 338(h)(10) election) is expected to add about $14 million of annualized net service billing and was financed with cash and notes, including an unsecured seller note and a convertible note.

Arcline Investment Management Acquires Engineering by Design

December 16, 2020

Medical Devices

Arcline Investment Management, a growth-oriented private equity firm, has acquired a controlling stake in Engineering by Design (EBD) from founders Dale and Judy Henson. EBD will join Arcline's medical-oriented manufacturing equipment platform (including Glebar, Everite Machine Products, SYNEO and Cath-Tip), expanding Arcline's capabilities in precision equipment and consumables for interventional medical device manufacturing.

HFA Architecture + Engineering Acquires Chesapeake Design Group

August 4, 2025

Engineering Services

HFA Architecture + Engineering has acquired Chesapeake Design Group (CDG), a boutique Baltimore-based architecture firm, bringing CDG's team and regional expertise into HFA's national platform. The deal expands HFA's Mid-Atlantic footprint and strengthens its architectural capabilities to pursue new projects, particularly in the restaurant and commercial sectors.