The Ostermueller Group Provides services in the following
St. Louis Metropolitan areas:
- Ballwin
- Belleville, Illinois
- Branson
- Brentwood
- Chesterfield
- Clarkson Valley
- Clayton
- Columbia, Illinois
- Columbia, Missouri
- Country Life Acres
- Creve Coeur
- Des Peres
- Dog Town
- Edwardsville
- Fairview Heights
- Frontenac
- Huntleigh
- Innsbrook
- Ladue
- Lake of the Ozarks
- Manchester
- Mascoutah
- Springfield, Illinois
- Springfield, Missouri
- St. Albans
- St. Louis City
- St. Louis County
- Town and Country
- Valley Park
- Wildwood