| Publisher | Games | Geek | Avg |
|---|
| Santa Ragione | 1 | — | — |
| Santa Teresa | 1 | — | — |
| Sapper Studio | 1 | — | — |
| Sapphire City Games | 1 | — | — |
| Saratoga Toy & Game Co. | 1 | — | — |
| Sarl Selene | 1 | — | — |
| Saruvage (サルベジ) | 1 | — | — |
| SAS Creative | 1 | — | — |
| Sasquatch Game Studio | 1 | — | — |
| Sato Kei Shoten Co., Ltd. | 1 | — | — |
| Saturday House Inc. | 1 | — | — |
| Säuberlin & Pfeiffer Sa, Vevey | 1 | — | — |
| Saussine Editeur | 3 | — | — |
| SAVANA | 6 | 5.80 | 6.83 |
| Savant Garde Entertainment | 4 | — | — |
| Saved Game, Lda | 1 | — | — |
| Savita Games, Inc. | 1 | — | — |
| Saxum Kiadó Kft. | 2 | — | — |
| SaySaku | 1 | — | — |
| SB Games AS | 1 | — | — |
| SBG Editions | 2 | — | — |
| Scale Creep Miniatures | 1 | — | — |
| Scale Games LLC | 2 | — | — |
| Scallywags International | 1 | — | — |
| Scan Games | 1 | — | — |
| Scandinavian Boardgames | 1 | — | — |
| Scandinavian Trend Company | 1 | — | — |
| Scanditoy | 1 | — | — |
| Schaper | 9 | 5.20 | 4.60 |
| Schemers | 4 | — | — |
| SchilMil Games, Ltd. | 5 | 5.77 | 6.68 |
| Schmeta Games | 1 | — | — |
| Schmidt & Römer | 1 | — | — |
| Schmidt France | 19 | 5.63 | 5.55 |
| Schmidt International | 25 | 5.79 | 5.69 |
| Schmidt Spiele | 375 | 5.70 | 6.06 |
| Schnarf Games | 1 | — | — |
| SchneiderBuch | 1 | — | — |
| Schoenberger Productions, Inc. | 1 | — | — |
| Scholastic Inc. | 3 | — | — |
| School Specialty Publishing | 1 | — | — |
| School Zone Publishing Company | 1 | — | — |
| Schott-Zwiesel-Glaswerke AG | 1 | — | — |
| Schou | 1 | — | — |
| Schowanek | 3 | — | — |
| Schtelber | 3 | — | — |
| Schüle-Hohenlohe | 1 | — | — |
| Schülke & Mayr | 1 | — | — |
| Schutze Games | 4 | — | — |
| Schwager & Steinlein | 4 | — | — |
| Schweizer Hotelier-Verein | 1 | — | — |
| Schweizer Jass | 1 | — | — |
| Schweppes | 1 | — | — |
| Schwerkraft-Verlag | 151 | 6.42 | 7.35 |
| Schylling | 10 | 5.33 | 4.71 |
| Science Research Associates, Inc. | 1 | — | — |
| Science4You | 1 | — | — |
| Scimitar Games, Inc. | 2 | — | — |
| Scolar | 1 | — | — |
| Score Entertainment | 4 | — | — |
| Score-Four Ltd. | 1 | — | — |
| Scorelander Games | 2 | — | — |
| Scorpion Masqué | 45 | 5.85 | 6.47 |
| Scott's Games (Mintbox Games) | 3 | — | — |
| Screech Dragon Studios | 2 | — | — |
| Screen Patch Co. | 1 | — | — |
| Screenlife, LLC | 31 | 5.50 | 5.42 |
| Scribabs | 12 | 5.56 | 6.34 |
| Sculpin Games | 1 | — | — |
| SD Games | 133 | 6.04 | 6.77 |
| SDC (Simulations Design Corporation) | 3 | — | — |
| Sea Cove Games | 1 | — | — |
| Sea Cow Games | 1 | — | — |
| Seaborn Games | 1 | — | — |
| Seabrook Studios | 3 | — | — |
| Seaforth | 1 | — | — |
| SeaGriffin Games | 1 | — | — |
| Seahorse Laser And Design | 1 | — | — |
| Seajay Games | 1 | — | — |
| Searchglen | 1 | — | — |
| Sears | 2 | — | — |
| Seb Games | 1 | — | — |
| Second Foundation co., Ltd | 1 | — | — |
| Second Gate Games | 7 | 5.94 | 6.74 |
| Secret Base Games | 1 | — | — |
| Secret Potion LLC | 1 | — | — |
| Sega Toys | 1 | — | — |
| Sekkoia | 4 | — | — |
| Selchow & Righter | 33 | 5.55 | 5.64 |
| Selecta Spel en Hobby | 30 | 5.48 | 5.11 |
| Selecta Spielzeug | 31 | 5.36 | 5.34 |
| SEMA | 1 | — | — |
| Semper | 3 | — | — |
| Semper Smart Games | 1 | — | — |
| Semper Victor Publishing | 2 | — | — |
| Senet Belgium | 3 | — | — |
| Senior Games | 1 | — | — |
| Sennepsfrøet | 1 | — | — |
| Sensalot | 3 | — | — |
| Sensible Object | 2 | — | — |
