15Four Clients
- Azzam Jordan
- The Barker Foundation
- BTR Capital Group
- Carroll County Youth Service Bureau
- Chapelgate Academy
- Cal Ripken Baseball
- Cal Ripken Sr., Foundation
- Covenant College
- Crossway Books
- Eastern University
- Erickson Retirement Communities
- ERMC
- Ethiopia ACT
- Grove City College
- Helping Up Mission
- Kingsville Volunteer Fire Company
- Leah Smith
- Leigh Nash
- Lutherville Volunteer Fire Company
- MECU, Baltimore's Credit Union
- Million Mile Motor
- Mission to the World
- New Song Urban Ministries
- National Student Leadership Forum
- NorthBay Adventure Camp
- Providence Volunteer Fire Company
- Retirement Living TV
- Speakerheart.com
- St. John’s Parish Day School
- UMI, Inc.
- Vertical Productions
- Westminster Theological Seminary
- World Relief
- wordswell
- 21st Vision
- 15Four Expertise
