About NCTL

HISTORY
National Certified Testing Laboratories is an ISO/IEC 17025 accredited, full-service, independent testing laboratory serving the architectural and building product industries from 1977. Since then, the company has expanded and maintains its headquarters in York, Pennsylvania with a Southern division located in Orlando, Florida and a West Coast Division located in Everett, Washington and Klamath Falls, Oregon from the 2009 acquisition of Quality Testing, Inc. We are proud of our continuing growth and expansion of service. Our success has resulted from the quality of service to our clients. NCTL provides the Fenestration Industry the highest level of performance evaluations with state of the art equipment, teams of qualified technicians and an engineering staff including 3 on-site Professional Engineers.

NEWS/ PRESS RELEASE – NCTL-NW, Everett WA- March 2022

NCTL-NW WELCOMES BACK JAMES CLARKE

National Certified Testing Laboratories – Northwest (NCTL-NW) is pleased to announce the return of Jim Clarke.  Jim brings over 15 years of industry experience to the lab as well as 11+ years of structural testing experience.  “Jim’s substantial lab experience will be an immediate benefit to our clients’ testing programs” states NCTL-NW Division Manager, Amy Becker.  “We’re excited to have him back, and to solidify our structural testing offerings for our clients.”   Jim shares in the excitement and states, “I stayed in the Fenestration Industry the last 4+ years but nothing was as satisfying as my time in the test lab.  I’m looking forward to building new and continuing existing relationships with all of our clients.”

National Certified Testing Laboratories is an ISO/IEC 17025 accredited, full-service, independent testing laboratory serving the architectural and building product industries since 1977. From that time, the company has expanded and maintains its headquarters in York, Pennsylvania with a Southern division located in Orlando, Florida and a West Coast Division located in Everett, Washington.

NEWS/ PRESS RELEASE – NCTL, York PA – February 2020

NFRC BOARD OF DIRECTORS WELCOMES NEW ADDITIONS

John Gordon, National Certified Testing Laboratories
John Gordon has been involved with NFRC for four years, during which he participated as the CPD Task Group chair, multiple work and task groups. He is a certified simulator and has a background in information technology.

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NEWS/ PRESS RELEASE – NCTL, York PA – March 2019

NCTL HIRES JOSEPH A. REED, PE

National Certified Testing Laboratories (NCTL) is pleased to announce the addition of fenestration industry veteran and subject matter expert Joseph A. Reed, PE to their staff.  Mr. Reed brings 17 years of broad building products experience which includes product testing, product evaluation, product certification and project-specific delegated design.  His expertise includes doors, windows, curtain wall, cladding, guards and railings, and roofing.  Mr. Reed holds Professional Engineer licenses in seven states including Florida, New York and Texas. “We are excited to have Joe join our staff,” says Daniel Zeiders, President of NCTL.  “We know our customers will immediately benefit from Joe’s capabilities to provide engineering services and his support of our growing product testing services.”

NEWS/ PRESS RELEASE – NCTL-NW, Everett WA – February 2015

NCTL-NW WELCOMES RANDY VAN VOORST!

National Certified Testing Laboratories is proud to announce that Randy Van Voorst is now the Division Manager of NCTL – Northwest! Randy comes to us with years of testing acumen and industry experience. We are happy to welcome Randy to the NCTL family!

NEWS/ PRESS RELEASE – NCTL, York PA – January 2014

NCTL-YORK EXPANDS SCOPE OF ACCREDITATION!

National Certified Testing Laboratories in York, PA is pleased to announce the expansion of their ISO/IEC 17025 scope to include the ASTM E1233-06 test method for structural testing by cyclic air pressure differential.

NEWS/ PRESS RELEASE – NCTL, York PA – October 2013

NCTL WELCOMES BUILDING ENVELOPE SERVICES MANAGER!

National Certified Testing Laboratories is pleased to welcome and announce Michael Mackereth as Building Envelope Services Manager. Mike will be responsible for the leadership and expansion of this rapidly growing department.

Michael joins the NCTL team with a wealth of knowledge and over twenty-five+ years of experience in curtain wall/ mock-up testing. During an extensive and successful tenure at ATI, Michael served in many capacities from technician and customer service to project manager and director and was instrumental in the expansion of their laboratory and curtain wall testing services. “I am very excited about the new challenges available to me at NCTL. Also, I’m thankful for the opportunity to join an organization that takes pride in providing such top-notch customer service.”

Dan Zeiders, President states, “Mike will be a strong asset to NCTL with his vast range of industry skills and testing experience. We are extremely pleased and confident that Mike, along with the expansion of our curtain wall and mock-up testing services, will help the department progress to the next level.”

NEWS/ PRESS RELEASE – NCTL, York PA – December 2009

National Certified Testing Laboratories York, PA Acquires Quality Testing, Inc. Everett, WA

RE: Quality Testing, Inc. Acquired by National Certified Testing Laboratories York, PA 12/1/2009

National Certified Testing Laboratories is announcing the acquisition of Quality Testing, Inc. of Everett, Washington and Klamath Falls, OR. NCTL has been in the fenestration testing industry since 1977 having locations in York, PA and Orlando, FL. The acquisition of QTI, serving the fenestration testing industry since 1990, will provide a West Coast location and a full compliment of testing services to serve the entire country. NCTL hopes to continue the excellent customer service reputation created by QTI and their owners, Randall and Marie Van Voorst. Dan Zeiders, President of NCTL states “The acquisition of QTI will strengthen NCTL’s testing ability and give us a national presence to support our ever increasing customer base.” QTI’s value proposition of “Customer Service” aligns perfectly with NCTL’s value proposition.

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