In March of 2010 Birdsall Services Group (BSG) acquired assets of CMX/Schoor DePalma. This acquisition allowed BSG to enhance and improve its existing services, while expanding its service capabilities in Land Development, Survey, Public Works, and Water Resources throughout the region. In April of that same year BSG purchased CMX NY, Inc., an engineering firm located in White Plains, NY, which operated under the name BSG Engineering, Surveying & Landscape Architecture, LLC.
On June 21st, 2013, Partner Engineering and Science, Inc. (Partner) finalized the acquisition of most of the assets of Birdsall Services Group (BSG) as part of its planned growth and expansion in the tri-state area. The purchase includes BSG’s accounts receivable, physical assets, select contracts, existing project files, select intellectual property, and license agreements.
In order to most effectively answer your questions and provide information, please contact us at 732-945-4077 or [email protected].

May 27, 2026
Capital planning in commercial real estate has entered a new phase. In addition to traditional lifecycle replacements, managers now face a growing set of capital needs driven by energy ordinances, decarbonization goals, and climate risk. These drivers are no longer peripheral considerations; they are central to how capital plans are developed, prioritized, and executed.

June 05, 2026
Partner Property Consultants, the European subsidiary of Partner Engineering & Science, Inc. (Partner ESI), announces that Antoine Yeprem joined the company in June 2026 as Senior Consultant, Real Estate Due Diligence, in Germany.

June 04, 2026
When managed well, the Owner's Representative punch list process supports a clean project closeout. Issues are resolved before occupancy, reducing disruptions and protecting long-term asset value. By combining discipline, accountability, and the benefit of fresh eyes, an Owner’s Representative helps ensure the project is delivered as intended and ready for successful operation from day one.




