The Sierra Chapter is proud to announce the Board of Directors approved and welcomed the following new firms in the past year:
| Firm | Month/Yr. Joined | Member Type | City |
| Culp & Tanner, Inc. | 12/2019 | Civil Engineering | Chico |
| Weber Grant | 10/2019 | Survey | Stockton |
| RFE Engineering Inc. | 08/2019 | Civil Engineering | Roseville |
| GHD | 04/2019 | Civil Engineering | Roseville |
| Hydroscience | 03/2019 | Civil Engineering | Sacramento |
