S
| Publisher | Website | ISBN prefix |
| SAF Publishing, Ltd.
Firefly Publishing |
www.safpublishing.com | 0-946719
0-946719 |
| Sandow Media | www.sandowmedia.com | 0-9764713 |
| Saqi Books | www.saqibooks.com | 0-86356, 1-87339 |
| Sarabande Books | www.sarabandebooks.org | 0-9641151, 1-889330, 1-932511 |
| Sasquatch Books | www.sasquatchbooks.com | 0-912365, 0-935503, 0-9614626, 0-9624559, 0-9715644, 1-57061, 0-933914, 0-934007 |
| Saqi Books | www.saqibooks.com | 0-86356, 1-87339 |
| Scarletta Press | www.scarlettapress.com | 0-9765201 |
| Seal Press | www.sealpress.com | 0-931188, 1-58005, 1-878067 |
| Serpent's Tail
Five Star |
www.serpentstail.com | 0-9631095, 1-84668, 1-85242
1-85242 |
| Seven Footer Press | www.sevenfooterpress.com | 1-934734 |
| Seven Stories Press | www.sevenstories.com | 1-58322, 1-888363 |
| Shelter Publications | www.shelterpub.com | 0-936070 |
| Simply Read Books | www.simplyreadbooks.com | 1-894965, 0-9688768 |
| SLG Books | www.slgbooks.com | 0-943389, 0-9617066 |
| Small Beer Press | smallbeerpress.com | 1-931520 |
| Small Planet Media | www.smallplanet.org | 0-9794142 |
| Soho Press
Soho Constable Soho Crime |
www.sohopress.com | 0-93914, 1-56947, 9-627160, 9-628783
1-56947 0-93914, 1-56947 |
| South End Press
Odonian Press |
www.southendpress.org | 0-8467, 0-89608, 1-878825
1-878825 |
| Source Book Publications | www.sourcebookpublications.com | 1-887137, 0-9719552 |
| Sterling & Ross Publishers
Cambridge House Press |
www.sterlingandross.com | 0-9766372, 0-9779545, 0-9787213, 0-9814535, 0-9821392
0-9787213, 0-9814536, 0-9821391 |
| Stone Bridge Press
Heian IBC Books |
www.stonebridge.com | 0-89346, 0-9628137, 1-880656, 1-933330, 4-925080
0-89346 4-89684, 4-923080 |
| Story Plant | 0-9816087 |
T
| Publisher | Website | ISBN prefix |
| Tahrike Tarsile Qu'ran | www.koranusa.org | 0-940368, 1-879402, 1-885140 |
| TalentSmart | www.talentsmart.com | 0-9794142 |
| Talonbooks | www.talonbooks.com | 0-88922, 0-921368 |
| Tara Books | www.tarabooks.com | 81-86211, 81-906756 |
| TCB Cafe | www.cafeandre.com | 0-9674898 |
| Telegram | www.telegrambooks.com | 1-84659 |
| Theatre Communications Group
Aurora Metro Press League of Professional Theatre Women Martin E. Segal Theatre Center Publications Nick Hern Books Oberon Books Padua Hills Press Padua Playwrights Press PAJ Publications Playscripts, Inc. UBU Repertory Theater |
www.tcg.org | 0-8018, 0-930452, 0-952544, 1-55936
0-9515877, 0-9536757, 0-9542330, 0-9546912, 0-9551566, 1-906582 0-9773074 0-5954365, 0-9666152, 0-9790570 1-85459, 1-84842 1-84002, 1-870259 0-9630126 0-9630126 0-933826, 1-55554 0-9709046, 0-9819099 0-913745 |
| Time Out | www.timeout.com | 1-904798, 0-903446 |
| Tin House | www.tinhouse.com | 0-9773127 |
| Tinwood Books | www.tinwoodmedia.com | 0-9653766, 0-9719104 |
| Touring Club of Italy | www.touringclub.it/english | 88-365 |
| Trailer Life Books | www.trailerlife.com | 0-934798 |
| Travelers' Tales | www.travelerstales.com | 1-885211, 1-932361 |
| Trellis Publishing | www.travelerstales.com | 0-9663281, 1-930650 |
| Trinity University Press | www.trinity.edu | 1-58534 |
| Tupelo Press | www.tupelopress.org | 0-9710310, 1-932195 |
| Turtle Books | www.turtlebooks.com | 1-890515 |
| Turtle Point Press
Helen Marx Books Turtle Point Press Books & Co. |
www.turtlepointpress.com | 0-9627987, 1-885586, 1-885983, 1-933521, 1-933527
1-885586, 1-8855-983, 1-933527 1-885983 |
| Two Dollar Radio | www.twodollarradio.com | 0-9763895, 0-9820151 |
| Tyrus Books | www.tyrusbooks.com | 0-9825209 |