| A Lamp Concrete Contractors, Inc. |
| Archon Construction Co., Inc. |
| Benchmark Construction |
| Bluewater Construction, LLC |
| Bolder Contractors |
| Builders Paving, LLC |
| Winninger Excavation, Inc. |
| Daniel Evans |
| Dodge Data |
| ePlan |
| Fox Excavating, Inc |
| Geneva Construction Company |
| Gerardi Sewer & Water co. |
| GSG Consultants, Inc. |
| IHC Construction Companies, LLC |
| Integral Power Atlantic,LLC |
| J Congdon Sewer Service |
| Kane County Excavating |
| Martam Construction, Inc. |
| Onvia, Inc. - Content Department |
| Performance Construction & Engineering |
| Xylem |
| Acqua Contractors Corp |
| Cerniglia Company |
| Trine |
| Ganziano Sewer & Water |
| H.Linen & Sons Sewer and Water, Inc. |
| Hoerr Construction |
| Mauro Sewer Construction |
