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Mission Statement

Diamond Mechanical is a firm committed to being the leading turnkey facility system solution provider by encouraging educational and vocational growth for our employees, promoting good health and safety practices and striving for continued growth and success. Our purpose is to effectively increase the benefits to our employees and their families while exceeding client expectations.

Gary K. Fowler, Jr.

Vice President

Gary holds a Professional Master HVACR and Plumbing License in Delaware and Maryland with 28 years’ experience in Industrial and Commercial mechanical systems including heating, ventilation and air conditioning design/build, chemical and process piping systems and design/build plumbing systems. Gary’s experience and numerous industrial certifications have proven invaluable in his efficient and reliable management of contract work for Dow Reichhold, PPG, State of Delaware, Comcast, NRG Energy and various other sites in Delaware and Maryland.

Will Pedicone

Project Manager

Will has over 20 years’ experience combined in the construction industry supervising, installing and troubleshooting issues in the fields of plumbing/HVAC. Having worked in service plumbing, residential new construction and commercial plumbing/HVAC, Will has a strong understanding of issues faced in the field and works diligently to be sure the projects are completed in a timely manner with high standards of excellence in workmanship.

Jason Rowe

Project Manager

Jason is extremely knowledgeable in the Mechanical/HVAC field having over 21 years of experience in the field. Having worked in the field most of his career he has great understating of what it takes to get a project to the finish line. He has worked in new construction, to retro-fitting and updating outdated equipment, to servicing and troubleshooting systems, all of which gives him a great understanding of many areas of a projects progression. Jason has a great attention to detail and holds his workmanship to a very high standard. He always leads his fellow employees from the front and by example on every project, and holds them to the same standard as himself to produce a high quality finished product to our clients.

Greg Robertson


After graduating from the Pennsylvania State University Smeal College of Business, Greg has spent the last couple years working commercial sales while learning the major influences of the plumbing and mechanical HVAC trade. He has been successful in building meaningful relationships and understanding the challenges we face in the construction industry. His experience brings an expanded knowledge of products and processes which are key factors to aid in problem solving, maintaining efficiency through projects, and meeting the needs of our clients.

Rich Quillen

Project Coordinator

Rich has worked in management and operations for over 10 years. As a prior business owner, he understands the commitment and dedication required behind the scenes. As a military veteran, he brings leadership and enthusiasm to the job every day.

Carol Cole

Project & HR Administrator

Carol has 30 years’ experience in the construction specialty contractor administration industry, as well as Human Resources. Carol’s knowledge in multiple aspects of these fields gives Carol a well-rounded understanding of the business, the people and most importantly the expectations of the client. Carol’s professionalism and customer-oriented frame of mind provides clients with a high level of service and the piece of mind knowing their needs will be met.