The Illiana Corridor Project
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Who is Plenary Walsh Keystone Partners?

Who is Plenary Walsh Keystone Partners?

Visit Our Partner Websites

  • Plenary Group
  • Walsh Group
  • Granite Construction
  • HDR

An Experienced, Local Team

Plenary Walsh Keystone Partners will finance, design, construct and maintain the bridges for 28-year term. The consortium of companies includes: 

- Plenary Group USA Ltd. And Walsh Investors, LLC are providing financing and long-term management 
- HDR, Inc. is the lead design firm 
- Walsh/Granite JV is a joint-venture team leading construction 
- Walsh Infrastructure Management will provide maintenance for a 25-year period upon completion of the bridges

Plenary Walsh Keystone Partners consists of both local and world class companies, experienced in delivering major public infrastructure works.


The following subcontractors have been an integral part of our team:

  • Allison Park Contractors, Inc., Gibsonia, PA
  • Beech Construction, Inc., Carnegie, PA
  • C.H. & D. Enterprises Inc., New Stanton, PA
  • C.P. Ward, Inc., Scottsville, NY
  • Carmen Paliotta Contracting Inc., Library, PA
  • Clearwater Construction, Inc., Mercer, PA
  • Cottle's Asphalt Maintenance, Inc., Everett, PA
  • Dolomite Products Company Inc. DBA A. L. Blades, Hornell, NY
  • Fahs Construction Group, Inc., Binghamton, NY
  • Glenn O. Hawbaker, Inc., State College, PA
  • Horizon Construction Group, Inc., Sandy Lake, PA
  • HRI, Inc., State College, PA
  • Independent Enterprises, Inc., Oakdale, PA
  • J.F. Shea Construction, Inc., Mt. Pleasant, PA
  • JET Excavating Co., New Middletown, OH
  • Leeward Construction, Inc. Honesdale, PA
  • Mekis Construction Corporation, Fenelton, PA
  • Mele & Mele & Sons, Inc., Braddock, PA
  • Minichi, Inc., Dupont, PA
  • Nestlerode Contracting Company, Inc., Lock Haven, PA
  • Plum Contracting, Inc., Greensburg, PA
  • Pugliano Construction Co. Inc., Pittsburgh, PA
  • R. DeVincentis Construction, Inc., Binghamton, NY
  • R.L. Johnson Construction Corporation, Kittanning, PA
  • Robert C. Young, Inc., Mifflinville, PA
  • Robert J. Cummins d/b/a Bob Cummins Construction Company, Bradford , PA
  • Shingledecker's Welding, Inc., Franklin, PA
  • Swank Construction Company, LLC, New Kensington, PA
  • The L.C. Whitford Company, Inc., Wellsville, NY
  • Timothy Kohrs DBA Kohrs Excavating, Honesdale, PA
  • Rylind Construction Company, York, PA
  • Kevin E. Raker Construction, LLC, Sunbury, PA
  • A. Merante Contracting, Inc., Pittsburgh, PA
  • Doli Construction Corporation, Chalfont, PA
  • S.E.T., Inc., Lowellville, OH
  • Thomas Construction, Inc., Grove City, PA
  • B.T. Adams, LLC, Factoryville, PA
  • Graziani Construction, New Castle, PA
  • N. Abbonizio Contractors, Inc., Conshochocken, PA














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About The ProjectContact Us

4 Penn Center Blvd., Suite 100
Pittsburgh, PA 15275

Hotline: 877-444-9990
Hours: M–F from 8:30 a.m. – 5 p.m. ET

Contact:  Andrew Dressler,  312.756.9119

Plenary Walsh Keystone Partners believes in engaging local community and disadvantaged business enterprise (DBE) resources to benefit our projects and the communities in which we do business. We seek to establish relationships with local DBE firms, encourage and assist potential DBEs to obtain necessary certification and prequalification, and aid development of DBEs through their active involvement.

View Available Jobs    An Equal Opportunity Employer, Disability/Veteran.

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