- Allan Myers LP
- Trumbull Corporation
- Kriger Construction, Inc.
- Wagman Heavy Civil, Inc.
- Loftus Construction, Inc.
- American Insurance Administration
- James J. Anderson Construction Company
- Heim Construction Co., Inc.
- IUOE Local Union No. 66
- KML Regional Council of Carpenters
- Lindy Paving, Inc.
- Northeast Prestressed Products, LLC
- Pennsy Supply Inc.
- Road -Con Inc.
- Suit-Kote Corporation
- Warden Asphalt Company
- Golden Triangle Corporation
- Gulisek Construction LLC
- Hempt Bros., Inc.
- HRI, Inc.
- I. B. Abel, Inc.
- Jilco, Inc.
- Kuharchik Construction, Inc.
- McNees Wallace & Nurick LLC
- Mekis Construction Corporation
- Nyleve Bridge Corporation
- RBP Consulting
- RETTEW PAC
- Stephenson Equipment, Inc.
- Susquehanna Valley Construction Corp.
- The Stewart Companies
- Traffic Planning & Design, Inc.