Names
- Seder, Laguens and Hamburger1
- Severn/Aviles/Associates/Inc.1
- Shaw Communications3
- Shea and Associates20
- Sheinkopf, Ltd.5
- Shipley and Associates, Inc.14
- Shor and Associates8
- Shorr and Associates36
- Shrum Devine Donilon9
- Signature Productions1
- Sipple Strategic Communications1
- Sipple: Strategic Communications, Inc.6
- Sleeping Brick Productions3
- Smith and Haroff, Inc.8
- Smith and Harroff4
- Smith and Harroff, Inc.33
- Southern Research Group1
- Squier Knapp Ochs Dunn1
- Squier and Eskew1
- Squier, Eskew, Knapp and Ochs Communications2
