- Arlene Williams Lake Dredging
- AWS Engineering
- Bruce Brothers Dredging Inc
- Clearwater Marine Works Inc
- Clearwater Marine Works Inc
- Coeur D'Alene Dredging Inc
- Condor Steel Inc
- Condor Steel Inc
- Continental Dredging Inc
- Continental Dredging Inc
- Cottrell Contracting Corp
- East Wind Enterprises
- Gloucester Forge & Steel
- Great Lake Dredge & Dock Co
- Great Lake Dredge & Dock Co
- Hampton Roads Leasing
- Hydro Pump & Equipment Inc
- Hydrovac Services Inc
- Inland Dredge
- King Fisher Marine Svc
- Kingsland Dredging
- Kingsland Dredging
- Lake Services Inc
- Marinetech Inc
- Norfolk Dredging Co
- Russell J Thorne Dredging
- T W Laquay Dredging Inc