| ARUP |
| Atkins North America, Inc. |
| Dewberry Engineers |
| Hdr Engineering, Inc. |
| Hntb Corporation |
| Jacobs Engineering Group |
| Kimley-Horn and Associates, Inc. |
| Kleinfelder Northeast, Inc. |
| Langan MA Inc. |
| Liro Corp. |
| Stantec Consulting Services |
| Stv Incorporated |
| WSP USA |