A Full-Service Mechanical Construction Contractor

Founded in 2005, DWD Mechanical Contractor Inc. is a full service mechanical contractor with experience that span a wide range of markets – commercial, healthcare, institutional, education, hospitality, manufacturing, transportation, energy, and water and wastewater treatment facilities.
As a recognized leader in mechanical services, DWD is a single source provider for all mechanical equipment and plumbing installation. Our mechanical construction capabilities include:
  • Building Automation Systems
  • Chillers
  • HVAC
  • Design Build/Design Assist
  • Customized Duct Work
  • Industrial & Process Piping
  • Plumbing
  • Refrigeration
  • Sheet Metal
  • Testing, Adjusting & Balancing
DWD Building

DWD was established on the principle of providing our customers with quality assurance and the comfort in knowing that the end result of their project is consistent with design and implementation that were made in the planning phase in order to avoid expensive delays. We also ensure that the methods followed to complete projects are safe and sound and that workers on the job site are protected from potential failures or accidents as a result of poor workmanship.

Our highly trained team of professionals enables us to execute and complete, unique and complex projects that requires a performance driven workforce. We’ve developed the capability and the reputation as a full service mechanical contractor that could perform any type of mechanical work in any environment.

Based in Morton, Pennsylvania, we perform work within Delaware, New Jersey, Philadelphia and its surrounding counties.



David White, President and CEO

Dave White has more than 40 years of experience in HVAC installation and servicing. A third generation Steamfitter, Dave has risen through the ranks of the craft to put his background and knowledge of mechanical systems towards the conception of DWD Mechanical Contractor Inc. With decades of hands-on experience as a professional Union Pipefitter and believing in building strong client relationships, Dave has earned a reputation as one of the industry’s top “go-to-guys” to get complicated jobs completed on time and within budget. Dave has an extensive background in the public and private sector and brings integrity and leadership to an industry in which he serves.


John Rihl, Vice President of Operations

John Rihl has more than 30 years of experience in the construction industry. Working alongside his father for the family firm in the late 1980’s, John developed a passion for the mechanical business and operations. John has served in various roles during his career, including Owner/Operator of Costa and Rihl and City Mechanical till 2012 and head of Service and Business Development at Falasca Mechanical from 2013 to 2019. In 2020, John joined the team at DWD as Vice President of Operations where he coordinates and oversees operation activities, pre-con, commercial construction projects, and ensures development and implementation of efficient operations and cost-effective systems to meet current and future needs of the organization.


Safety is a top priority for DWD and we ensure that our work reflects the highest safety standard in the industry. Planning, communication, implementation, and execution are the four key components of the DWD Safety Program. Our commitment to safety is evident in our consistently low Experience Modification Rating (EMR).

Awarded the 2017 Safety Recognition Award for achieving excellence with a total recordable incidence rate of at least twenty-five percent below the industry average. Presented by The Mechanical & Service Contractor Association of Eastern Pennsylvania.

Award the 2019 Safety Committee Achievement Award for outstanding commitment to excellence in workplace safety. Presented by Arthur J. Gallagher & Co.

Sheet Metal Workers
Mechanical Service Contractors Association

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