- Sabra Music (2)
- Sacks and Company (782)
- Sagezy21 (3)
- Sally Hedberg (1)
- Salmonfest (1)
- Sam A. Marshall (51)
- Sam Haumesser (3)
- Sam Pace Music (2)
- Sam Silkworth (1)
- Same Same But Different (2)
- Samuel Welshans (1)
- San Diego Bayfest (5)
- Sanjay (18)
- Sara Reifman (15)
- Sarah Bourque (1)
- Sarah French Publicity (8)
- Sarah Gumina PR (1)
- Sarah J Frost (25)
- Sarah McQuaid (2)
- Sarah Skeeles (1)
- Schmidt PR (1)
- Scoop MARKETING (7)
- Scott Brown (4)
- Scott Cooper Music (1)
- Scott Love (1)
- Scott Marks (1)
- Scott McLennan (2)
- Scott Walker (2)
- Scushing (12)
- Secret Dreams Music and Arts Festival (1)
- Secret Service Publicity (3)
- Segue Entertainment (1)
- September Gurl Music (2)
- Seth Hicks (3)
- Seth Mcnally (2)
- Sfallstich (2)
- SFJAZZ (1)
- Shakedown Gallery (2)
- Shakedown Street Festival (1)
- Shakedown Vegas (3)
- ShakedownGallery.com (1)
- Shameless Promotion PR (1)
- Shanachie Entertainment (1)
- Shanneil White (2)
- Shannon Clark (29)
- Shark Party Media (1)
- Sharon Budman (6)
- Shaun Stevens (3)
- Shelly Reed (3)
- Shenae Armstrong (2)
- Shifra (4)
- Shimshai.com (1)
- Shmohawk (1)
- Shoe Fest (13)
- Shore Fire Media (590)
- Shoshana Tyler (1)
- Showplace Music Productions (2)
- Sibling Rivalry Press (1)
- Sideways Media (63)
- Signature Sounds (1)
- Silver Back Music (2)
- Silverback Music (12)
- Simon Says Publicity (6)
- Sirens Call PR (1)
- Six Shooter Records (1)
- SKH Music (2)
- Skull and Roses Festival (2)
- Skunkmello (1)
- Skye Media (8)
- Skylar Entertainment (1)
- Sleepy Cat Records Label Services (1)
- SLK Associates Limited (1)
- Smickens (1)
- Smith Publicity (5)
- Sneak Attack Media (6)
- Snees (6)
- Sniff These Records (1)
- So much MOORE media (29)
- SocialRadius (1)
- Soja Music Productions (1)
- Sojournstar (1)
- Sol Seed (1)
- Solid PR (8)
- Solters.com (32)
- Sonic Guild Colorado (1)
- SonicHiFi (3)
- Sonnet (7)
- SONNET MUSIC (2)
- Sonoma State University (1)
- Sony Music (6)
- Sony Music Australia (2)
- Soundchecked (1)
- SoundToPeople (1)
- Soundtrex (1)
- Sour Bridges (1)
- South by Southwest (16)
- Sphere (2)
- Spirit of the Suwannee Music Park (19)
- Spotify (4)
- Spun Fluffington (1)
- Srichards (2)
- SRO (542)
- St. Martin’s Press (2)
- STACHE media (1)
- Stacy Graham-Hunt PR (1)
- Stan Kedzie Carr (2)
- Starstruck Entertainment (2)
- Steal Your Face Band (3)
- Stephanie Maksimow (2)
- STEPHEN ROSE (1)
- Sterling Munksgard (4)
- Steve Baran (9)
- Steve Barilotti (1)
- Steve Fox (4)
- Steve Gold (1)
- Steve Hartsoe (1)
- Steve Kiebus (2)
- Steve Rafferty (2)
- Steven Brown (3)
- Steven Graves (1)
- Steven Jones (4)
- Steven Rood (27)
- Steven Sedalia (2)
- Stew78 (1)
- Stieber (17)
- Strange Machines (1)
- Strategic Heights Media (1)
- Stu Levy (1)
- Stunt Company (1)
- Sturgis Buffalo Chip (5)
- Sublime Public Relations (1)
- Sue DuMond (27)
- Sugar Hill Records (26)
- Sugar Mountain PR (1)
- Sully Public Relations (1)
- Summercamp (2)
- Summercampfestival.com (25)
- Sunshine Sachs (1)
- Surewood Neustadt (1)
- Sustain Music and Nature (1)
- Suzy Barros (5)
- Sweetheart PR (36)
- SweetWater 420 Fest (7)
- SweetWater Brewing (2)
- Sweetwater Music Hall (2)
- Sweetwine Entertainment Group (7)
- Symbiotic Event Services (1)
- Szlachetka (1)