As a family owned business with
strong family values, we are
highly regarded for our integrity.
Founded in 1981 by the late William S. Cumby, Sr. and William S. Cumby, Jr., W.S. Cumby provides a full spectrum of professional construction services including construction management, design/build and general contracting. Our client base has grown to encompass a diverse range of building sectors and we are proud to have a long list of repeat clients from the educational, religious, healthcare, commercial, retail, multi-family residential and hospitality fields. We are based in Springfield, PA and proudly serve the Greater Philadelphia and Tri-State areas.
As a family owned business with strong family values, we are highly regarded for our integrity. Thanks to our team of uncommonly dedicated construction professionals, we’ve become renowned for our partnership-based approach to the planning, pre-construction and construction management of renovation, restoration, and construction projects.
We have been leaders in the Green Building movement for more than a decade and, as a result, have built high-performance buildings for dozens of clients, helping them achieve their goals in a smart, affordable way. We are one of the largest Merit Shop firms in the Philadelphia area and have gained a particularly strong reputation for the extraordinary value of our pre-construction services. In addition, the importance we place on safety has resulted in us being invited back to work in occupied campuses and facilities many times by many repeat clients.
It is our mission to provide the best service in the construction industry. To that end, we believe that the quality of the process is equally important as the quality of the product. The result of this unfailing commitment to service is that we have successfully completed hundreds of projects approaching a billion dollars in value for hundreds of satisfied clients. Our goal for the future is to continually strive for excellence, to bring our uncompromising values and industry leading expertise to more and more delighted clients.
We are honest and ethical; we do what is right, not what is easy.
We adopt our client’s goals as our own and pursue them relentlessly as a team.
We follow through and keep our promises; our dedication to project success is absolute.
William (Bill) S. Cumby, Jr. founded W.S. Cumby with his late father, William S. Cumby, Sr., in 1981, served as President from 1998-2019, and now holds the title of Chairman. Bill Jr. has been an active member of his community having served as Mayor of Swarthmore, Pennsylvania, President of the Swarthmore Business District Authority, member of the Swarthmore Planning Commission and trustee of the Swarthmore Presbyterian Church. Additionally, Bill Jr. is a Past President and Trustee of the Carpenters' Company of Philadelphia and has been an active member since 1999. Bill Jr. holds a Bachelor of Arts degree from Gettysburg College, a Masters of Science degree from the University of Pennsylvania and a Masters of Business Administration degree from Temple University.
William (Bill) Cumby, III has over 18 years of experience in the construction, commercial real estate, and finance industries. Bill spent two and a half years co-managing W.S. Cumby with Bill Jr. prior to assuming the role of President and CEO in 2019. Prior to joining WS Cumby in 2016, he spent 15 years in the commercial real estate finance industry as an underwriter and trader for Credit Suisse and as a portfolio manager for Pacific Investment Management Company (PIMCO). At PIMCO, he acted as advisor to the Federal Reserve Bank of New York from 2009-2010 and worked in their alternative investments division, where he served on their real estate investment committee. Bill holds a BA in economics from Bowdoin College.
Craig Irvine has 25 years of experience in the construction industry. Craig holds a Bachelor of Arts in Business Administration Management from Bloomsburg University. Craig is a member of the Delaware Valley Green Building council and is a Green Advantage Certified Professional as well as LEED AP. Mr. Irvine is responsible for overseeing both home office and field operations on all projects in the construction phase including, execution of contracts, project management administration and oversight of jobsite safety and execution.
Michael Boess is the Director of the company's Estimating Department and has 30 years of experience in the construction industry having started out in his family's construction business. Mike holds a Bachelor of Science degree in Business Administration from Elizabethtown College and continued his education at Penn State University in Construction Engineering. He has served in various management roles including Estimator, Senior Estimator, Estimating Manager and Project Manager. As Chief Estimator, he leads the preconstruction estimating, value engineering, bidding and buyout efforts.
Michael O'Brien's career in the construction industry spans more than 30 years, including experience in the construction of industrial facilities as well as owner/president of an independent contracting firm. Mike is responsible for the development of new business opportunities and the management of the company’s preconstruction services including contract negotiations, project budget development and cost control, procurement, scheduling and logistical planning. Having conducted more than 100 AIA Continuing Education Seminars on sustainable planning, design and construction, Mike has been an active advocate for the adoption of green building practices since 2001. Additionally, Mike is a current Board Member of Green Advantage and the Delaware Valley Green Building Council, where he was also served as President.
Michael has over 35 years of experience in the construction industry. As Director of Preconstruction, Michael directs the preconstruction estimating, value engineering, bidding and buyout efforts. His responsibilities include quality control of the company’s preconstruction phase services to meet the client’s objectives with respect to scheduling and logistical planning. An active member of the Associated Builders & Contractors Eastern PA Chapter, Michael formerly served as Chairman. Michael holds a Bachelor's Degree in Environmental Resource Management from Pennsylvania State University.
Our highest priority is to provide a healthy, safe, clean and enjoyable working environment for all of our staff, subcontractors, vendors and visitors. We take this responsibility seriously by hiring the best construction professionals, setting the highest standards, and embracing a culture of continual improvement.
We manage a comprehensive safety program, enforced with stringent controls, that empowers all employees to become active stewards of safety. The foundation of our safety culture rests on the following principles:
The results of our commitment to safety speak for themselves: We have maintained a Workmen’s Compensation Experience Modification Factor (EMR) that is far below the industry standard. We are founding members of General Contractors Insurance LTD, a “Best-in-Class” Captive Insurance Company composed of only the safest construction firms in the nation.
We are passionate about our work and are very proud of the
recognition it has received by our peers and the AEC industry.
2024 Best Higher Education/University Building, PCI Design Awards
2023 Chicago Athenaeum International Architecture Award
2023 Construction Award of Excellence, Associated Builders & Contractors, Eastern PA Chapter
2023 Merit Construction Award of Excellence, Associated Builders & Contractors, Eastern PA Chapter
2023 Champion of Merit Award, Associated Builders & Contractors, Eastern PA Chapter
2023 Top Workplaces, Philadelphia Inquirer
2023 Preservation Achievement Award, Preservation Alliance of Greater Philadelphia, Philadelphia, Pennsylvania
2022 Construction Award of Excellence, Associated Builders & Contractors, Eastern PA Chapter
2022 Construction Award of Excellence, Associated Builders & Contractors, Eastern PA Chapter
2022 Construction Award of Excellence, Associated Builders & Contractors, Eastern PA Chapter
2022 Top Workplaces, Philadelphia Inquirer
2022 Preservation Achievement Award, Preservation Alliance of Greater Philadelphia, Philadelphia, Pennsylvania
2021 Merit Construction Award of Excellence, Associated Builders & Contractors, Eastern PA Chapter
