We’re excited to announce our new address in downtown Cleveland!
Effective February 13, 2015, Sonnhalter moved its corporate office to the following new address:
1320 Sumner Avenue
Cleveland, OH 44115-2851
We have a new phone number!
All employees’ previous 3-digit extensions are still valid. Current employee direct dial phone numbers have changed and we can update them with you if we have not already. Visit our Facebook page to see photos from our open house.