Hahn Engineering, Inc. supports the following community endeavors:
- Academy of the Holy Names
- ASHRAE
- Boy Scouts of America
- Christ the King Parish/School
- Jesuit High School
- Georgia Institute of Technology
- Hillsborough Community College Foundation
- Rotary Club International
- Kiwanis
- Knights of Columbus
- Salesians of Don Bosco
- University of Florida Foundation
- The Florida Aquarium
- Ybor City
