- Andrew Consulting Engineers
- Cribb Consulting Engineers PC
- Criser Tanner Troutman Engrs
- David Sims & Assoc Consulting
- Mandala Services
- Mc Fadyen/O'Briant Consulting
- S & S Designs
- S & S Designs
- Spectrum North Carolina LLC
- Steuer & Assoc
- Stroud Engineering
- Withers & Ravenel
- Wrightsville Engineering Svc
