Pickering, Corts & Summerson (PCS) delivers award winning multi-discipline civil engineering services from our four office locations in Pennsylvania and New Jersey.

Service excellence
since
1918
Craine
  • Mill Street Wharf Bucks County, PA

    Site Development
  • Inspection of Bridges in Philadelphia, PennDOT District 6-0

    Bridge Inspection
  • Decade of Investment Bridge Preservation Projects – Open-End Design, PennDOT District 8-0

    Structural Engineering
  • Villas at Newtown, 178 Residential Homes, Bucks County, PA

    Site Development
  • Main Street over Tributary to Neshaminy Creek, Bucks County, PA

    Structural Engineering
  • SR 4069, Section 01B Lehnenberg Road, PennDOT District 6-0

    Structural Engineering
  • SR 0080, Section 10S Monroe County, PennDOT District 5-0

    Highway Engineering
  • Underwater Bridge Safety Inspections for the Cape May County Bridge Commission

    Underwater Inspection
  • Mayburg Bridge Repair-Design & Engineering Services, Allegheny National Forest

    Structural Engineering
  • Inspection and Load Rating of 240 State-Owned Bridges, PennDOT District 8-0

    Bridge Inspection
  • SR 0033, Section 006 (Design-Build) Northampton County, PennDOT District 5-0

    Highway Engineering
  • SR 0078, Section 12B Berks County, PennDOT District 5-0

    Highway Engineering

Our Services

  • Bridge Inspection
  • Underwater Inspection
  • Structural Engineering
  • Highway Engineering
  • Site Development
  • Land Surveying
bridge
  • New

    Blog - Pickering, Corts & Summerson Announces New Office to Open in Ewing

    Apr 2
  • Blog - Jim White Promoted to Chief Operating Officer at PCS

    Jan 29
  • Blog - PCS Wins Inspection Project With PennDOT

    Dec 2
  • - John C. Wilhelm, P.E.

    President
    view bio

    John C. Wilhelm, P.E.

    President

    John C. Wilhelm, P.E. has served as President of Pickering, Corts & Summerson since 2011. Mr. Wilhelm is involved in all aspects of the firm, and has over 30 years of experience in the structural design and inspection of bridges. He is a graduate of Drexel University with a B.S. in Civil Engineering and is a registered Professional Engineer in Pennsylvania, New Jersey, Delaware, Maryland, New York, and West Virginia. John is an active member of the American Society of Civil Engineers (ASCE) and the American Society of Highway Engineers (ASHE).

  • - James S. White, Jr.

    Chief Operating Officer (COO)
    view bio

    James S. White, Jr.

    Chief Operating Officer (COO)

    James “Jim” White serves as Chief Operating Officer (COO) of Pickering, Corts & Summerson, overseeing the day-to-day administrative and operational functions of the company. Jim has been with PCS for over 25 years and is a member of our Board of Directors. He is a PennDOT Certified Bridge Safety Inspector, and is responsible for the administration of all National Bridge Inspection Standards (NBIS) Inspection Agreements.

  • - Mark A. Havers, P.E.

    Board Member
    view bio

    Mark A. Havers, P.E.

    Board Member

    Mark Havers joined Pickering, Corts & Summerson in 2002 and serves as Corporate Secretary and Manager of Site Engineering. Mark is a graduate of the University of Pittsburgh with a B.S. in Civil Engineering Technology, and Pennsylvania State University with a B.S. in Landscape Contracting. He is a registered Professional Engineer in Pennsylvania, New Jersey, Maryland, and West Virginia. Mark has been a PCS Board Member for over a decade.

  • - Alan E. Jackson

    Vice President
    view bio

    Alan E. Jackson

    Vice President

    Alan “Al” Jackson has been with Pickering, Corts & Summerson for over 35 years and serves as Manager of Underwater Inspections. He has been intricately involved with the PennDOT underwater bridge inspection program since its inception in 1987, and played a key role in the development of the PennDOT Scour Evaluation training course for engineers and inspectors. Al has been a member of the PCS Board of Directors for over a decade.

  • - Richard H. Stanger, P.E.

    Vice President
    view bio

    Richard H. Stanger, P.E.

    Vice President

    Richard “Rick” Stanger has been with Pickering, Corts & Summerson for over 25 years and serves as Manager of Transportation Design. Rick oversees the firm’s technical disciplines of structural design and highway engineering. He is a graduate of Pennsylvania State University with a B.S. in Civil Engineering and is a registered Professional Engineer in Pennsylvania, New Jersey, New York, and West Virginia. Rick has been a member of the PCS Board of Directors for over 10 years.

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