About Us

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DERMAN ASSOCIATES provides professional mechanical engineering services, consulting, installations and site builds along with project management services.  We specialize in systems for process piping, medical gas, manufacturing and plumbing systems. 


Recently formed and located in Northeastern Pennsylvania, the company leadership has over 100 years experience in these industries.  Your project can be handled from design basis to start up with Derman managing the entire progression of coordinating, facilitating, and expediting the installations.  Owners and clients can focus on their core competencies while Derman oversees your capital upgrades and new equipment investments.  Our goal is to reduce schedule and enable you to get a quick return in your investments while minimizing and or eliminating upcharges and change orders.

This creates a synergy that supports our installations crews with quick answers in any situation, inherently expediting schedule.  Our team members are qualified and knowledgeable construction professionals with the ability to manage, execute and coordinate any size project.  This experience coupled with our team’s desire to be successful makes DERMAN ASSOCIATES, LLC a formidable construction firm from design through start up.


Derman Associates is extremely proud and excited to announce that we now have a new office in Ireland,  Derman Associates Engineers and Constructors (DAEC)!  Located in beautiful Castletroy Park in Co Limerick, we now provide Engineering, Construction, and Construction Management services.



1.     Industrial Process’; Manufacturing Systems; Biopharmaceuticals; Clean Room Installations; Manufacturing Rebuilds

2.     Medical Gas Installations St. Luke’s University Health Network and Commonwealth Health System

3.     Staff experience includes building and/or equipment installations for major industries and manufacturers such as Loral Skynet, P&G, Merck Chemical, ATT, Regeneron, First Quality, Beacon Power, Gerdau Ameristeel, Thyssen Krupp, Clayco, Penn State University, Municipal Water Filtration & Sanitary Sewer Authorities along with School District renovations.

4.     PA State Police, PA Department General Services, Planet Fitness, Steel Case and other commercial entities.