Updated February 8, 2023

CONTRACTORS

• Allega Cement Contractors 
• Baseline Contracting 
• Conewago Enterprises 
• Frank J. Zottola Construction 
• Florida RCC / Wayne Companies 
• Golden Triangle Construction 
• Gulisek Construction 
• James J. Anderson Construction 
• Kokosing Construction 
• Matcon Diamond 
• Mattiola Services LLC   

CEMENTITIOUS /PORTLAND CEMENT

• Argos Cement 
• Heidelberg Materials 
• Holcim 
• Kosmos Cement 

CEMENTITIOUS /SUPPLEMENTALS

• Separation Technologies 
• Skyway Cement 

ALLIED /MATERIALS

• American Highway / A Simplex Company (*)
• Amerikohl Aggregates 
• D. S. Brown
• Forta Corporation (*)
• Master Builders Solutions USA (*)
• TyE Bar
• Union Quarries 

• Cleveland Brothers
• Diamond Products (*)
• Erie Strayer (*)
• Gomaco Corporation (*)
• Guntert & Zimmerman (*)
• Husqvarna (*)
• Power Curbers & Power Pavers (*)
• Wirtgen America (*)

ALLIED /ASSOCIATES

• Aviation Council of Pennsylvania
• Centre Concrete Company
• Fort Miller Company
• Frank Bryan Incorporated
• Ligonier Stone & Concrete Company
• Stone and Company
• T.C. Redimix of New Castle

ALLIED /CONSULTANTS

• AECOM
• Applied Research Associates
• CDR Maguire Engineering
• Gannett Fleming
• Hunt Consulting & Testing Services
• JBC Associates
• Johnson, Mirmiran & Thompson
• Mackin Engineering Company
• Navarro & Wright Consulting Engineers
• Pavement Engineering & Research Consultants
• Pennoni
• Quality Engineering Solutions
• SAI Consulting Engineers
• Stahl Sheaffer Engineering
• T.W. Consultants
• Urban Engineers

 ALLIED /INDIVIDUALS

• Thomas R. Hunt, Jr.