| code | contr | contact | location |
| SKBY | Sandy Kirby | Sandy Kirby | Hubbard, TX |
| SKPY | Damn Skippy Ranch | Greg Helton | Athens, TX |
| SKRI | Skori Bucking Bulls | Ellie Skori | Kinsella, AB |
| SLGN | Southern Legend Cattle Co. | Flores | Weirsdale, FL |
| SLMN | Selman and Sons BB | Thomas Selman | Midland, TX |
| SLSHT | Slash T Rodeo Co. | Pat O'Maley | Gooding, ID |
| SLSM | Slash M Rodeo | Scott McDaniel | Tucson, AZ |
| SMB | Bonsall Bucking Bulls | Sandie & Muriel Bonsall | Mineola, KS |
| SMKB | Smokin B Land & Cattle | Tyson Barnes | Alva, OK |
| SMKG | Smokin Guns Rodeo | Kevin Kosel | Glenham, SD |
| SMMT | Summit Pro Rodeo | Hamaker / Hill | Laramie, WY |
| SMNO | Casey Simino / Greg Simino | Casey Simino | Hamshire, TX |
| SMSN | Smith & Son Bucking Bulls | Ray Smith | Ignacio, CO |
| SMTH | Smith Cattle Company | Levi Smith | Steamboat Rock, IA |
| SMY | Smith / Murray Bulls | ? Smith, ? Murray | Cromwell, OK |
| SNKB | Snakebitten Bucking Bulls | Bob Schaaf | Chetek, WI |
| SNKW | Sneakin W | Smith / Eagles / Hallock | Canton, TX |
| SOSA | Sosa Buckers | Shane & Shiloh Sosa | Freer, TX |
| SP | Scott Pickens | Scott Pickens | Sayre, OK |
| SPLT | Spaletta Cattle Company | Bill Spaletta | Petaluma, CA |
| SPRC | Steve Pearce | Steve Pearce | Beggs, OK |
| SPRG | Superior Genetics | Donny Gowin | Emory, TX |
| SPRJ | Spear J Cattle | Hetzel | Gilbert, AZ |
| SPRW | Spear W Bucking Bulls | Seth Mulherin | Lander, WY |
| SPUR | Silver Spurs Club | Steve Whaley | Kissimmee, FL |
| SPVH | Potmesil / Hare Bucking Bulls | Scott Potmesil / Vernon Hare | Alliance, NE |
| SPWL | Powell Bucking Stock | Scott Powell | Bethune, CO |
| SRB | Salt River Rodeo (Canyon State Livestock) | Skip Beeler | Casa Grande, AZ |
| SRJT | Slave Ranch | Joby Tankersly | Alvin, TX |
| SRR | Solid Rock Roughstock | Schnautz | Leander, TX |
| SRRC | Salt River Rodeo Co | Resor / Washburn / Dorenkamp | Tucson, AZ |
| SS | Smith / Harper / Burruss | Stace Smith | Athens, TX |
| SSBB | S&S Bucking Bulls | Eddie Scarberry | Polk City, FL |
| SSCC | Spencer / Sherman Cattle Co | Patrick Spencer | Tucson, AZ |
| SSLV | Scott Silveira | Scott Silveira | Templeton, CA |
| SSPR | Silver Spring Bucking Bulls | Jack O'Gara | Bellevue, ID |
| SST | Sis & Stan's Bucking Bulls | Francis Dandy? | ?, ? |
| STHX | Southern Cross Bucking Bulls | Greg Stevens | Whitesboro, TX |
| STKS | K- Ranch - Stokes | John Stokes | Freer, TX |
| STL | Steel Livestock | Jeff Steel | Brookesmith, TX |
| STP | Steve Powers | Steve Powers | Midland, TX |
| STR8 | Straight 8 Cattle Co. | John Swallow | Berryville, AR |
| STRK | Sterk Bucking Bulls | Jason Sterk | Irene, ID |
| STTN | Sutton Rodeos | Jim Sutton | Onida, SD |
| SV | Silverado Rodeo | Harlan Robertson | Gilmer, TX |
| SVCC | Silver Cattle Co | Marty Silver | Mexico, MO |
| SWJ | Southwick - Johnson Rodeo | Glenn Southwick & Mark Johnson | ?, ? |
| SWNY | Brian Sweeney | Brian Sweeney | Manhattan Beach, CA |
| SWYR | Sawyer Bucking Bulls | Curtis Sawyer | Lacombe, AB |
| SY | Shane Young | Shane Young | ?, TX |
| SYPR | Stockyards Pro Rodeo | ? | Fort Worth, TX |
| SZA | Souza's Bucking Bulls | Manuel Souza | Catheys Valley, CA |
| SZFS | Stoltzfus Cattle Co. | Ivan Stoltzfus | Leon, IA |
| T4DT | T4 Ranch | Darrell Thompson | Seguin, TX |
| TATM | Tatum Bucking Bulls | Todd Tatum | Wann, OK |
| TBB | Teague Bucking Bulls LLC | Tom Teague | Winston-Salem, NC |
| TBCC | Twisted B Cattle Co | Trampas Benson | Big Cabin, OK |
| TBKR | Tom Baker T-K | Tom Baker | Lubbock, TX |
| TBN | Tugger X Ranch / Troy Brown | Troy Brown | , CA |
| TBRB | TBR Bucking Bulls | Thomas Brito-Reed | Nocona, TX |
| TBT | Thomas Bert | Thomas Bert | ?, CA |
| TC3G | Twisted Creek Cattle | Ryan Pressel-Evans | Circleville, OH |
| TCBB | TC Bucking Bulls | Teresa Chepkauskas | Muskogee, OK |
| TCBR | TCB Ranch | Tim Wojchowski | Bethesda, OH |
| TCCC | T&C Cattle - Mead | Brad Mead | Lethbridge, AB |
| TCR | Tough Company Rodeo | Jay Stum | ?, CO |
| TCTM | TC Rodeo | Tom Messick | Odessa, TX |
| TDCC | TD Cattle Company | Todd McClure / Derek Cobb | Pine Grove, LA |
| TDNV | Tumbling Dice | Nansen Vold | Ponoka, AB |
| TDR | Tony Dura | Tony Dura | ?, CA |
| TDS | TDS Bucking Bulls | Trampas Spence / Dustin Danley / Scott Brason | Artesia, NM |
| TFRS | Tyler Farris | Tyler Farris | Glenwood Springs, CO |
| TGBB | T&G Bucking Bulls | Gunnyr Araujo | Plainview, TX |
| TGRT | True Grit Rodeo | Daniel Lanier | Hurt, VA |
| THCC | Twisted Horns Cattle Co | Steven Dias | Fresno, CA |
| THMP | Todd Hampton | Todd Hampton | Chowchilla, CA |
| THP | Tim Hopkins | Tim Hopkins | Covelo, CA |
| THRC | Thompson Rodeo Co. | Jim Thompson | New Sarepta, AB |
| TJCC | Julian Cattle | Tommy Julian | Broken Bow, OK |
| TLC | Talbert Bucking Bulls | Greg Talbert | Cheyenne Wells, CO |
| TLSB | TLS Bucking Bulls | Terry Short / Liz Landes | Londell, MO |
| TLW | TLW Bucking Bulls | Tracy Williams | Yancey, TX |
| TLWS | Tanner Lewis | Tanner Lewis | Parma, ID |
| TM | Tony Mendes | Tony Mendes | Jensen, UT |
| TMBL | Tumbling Run Ranch | Robbie Bowers | Strasburg, VA |
| TMC | Troy Meech | Troy Meech | ?, MN |
| TML | TM Livestock | Travis Moniz | Sheridan, CA |
| TMOW | Tommy Owens | Tommy Owens | Rankin, TX |
| TMRA | Cia de Rodeio Tercio Miranda | ? | Ponta Grossa, PR |
| TMSK | Tomaski Rodeo Co. | Ross Tomaski | Brock, TX |
| TMTO | Terremoto - Coelho | Carlos Coelho | Patrocínio, MG |
| TMVR | TM Ranch - Medve | Travis Medve | Washington, TX |
| TMZ | Martinez Bucking Bulls | Edward Martinez / Tino Martinez | Mesquite, TX |
| TNR | Top Notch Ranch | Joey Nixon | Tyner, NC |
| TNSM | Tony Nascimento | Tony Nascimento | Cardoso Moreira, RJ |
| TNT | TNT Rodeo Co. | Mitch Terrell | Anson, TX |
| TNTB | TNT Bucking Bulls | Kevin Turner | Marietta, OK |
| TNUC | Ted Nuce | Ted Nuce | Manteca, CA |
| TPR | Turner Pro Rodeo | Jody Turner | Leadhill, AR |
| TRBB | Thomas Ranch Bucking Bulls | Guy Thomas | Redwood, CA |
