| S & A FARMS LLCSalem, OR | 3917217 | 3 |
| SAFE CAPITAL GROUPGrants Pass, OR | 3601248 | 34 |
| SALEM TRUCK RENTAL LLCKeizer, OR | 4142768 | 15 |
| SAM & PAUL TRANSPORT INCGresham, OR | 3410642 | 4 |
| SANDAU FARMSSalem, OR | 308548 | 8 |
| SANDHU TRANS LLCSalem, OR | 3719907 | 3 |
| SANPOINT EXPRESS LLCBoardman, OR | 1063233 | 2 |
| SANWAA TRUCKING LLCPortland, OR | 3796779 | 2 |
| SB INCHarrisburg, OR | 12179 | 18 |
| SCHMIERER TRUCKING LLCPortland, OR | 3503781 | 4 |
| SEASIDE EXPRESS INCPortland, OR | 4141441 | 5 |
| SEIDERS TRUCKING INCShedd, OR | 340768 | 6 |
| SELIHOM TRUCKING LLCPortland, OR | 2944317 | 1 |
| SHAFER SONS TRUCKING LLCSaint Helens, OR | 4325906 | 1 |
| SHOOTING STAR TRANS LLCDamascus, OR | 2948349 | 1 |
| SIERRA EXPEDITE INCPortland, OR | 2629893 | 4 |
| SILVER SPRINGS TRADING COMPANY LLCWhite City, OR | 2430836 | 3 |
| SILVER STONE AND CABINETS INCSalem, OR | 2788017 | 1 |
| SILVERLINE TRANSPORTATION LLCGresham, OR | 2564301 | 2 |
| SIRI AND SON FARMS INCSt Paul, OR | 788380 | 39 |
| SKY LINE TRANS LLCDamascus, OR | 1928951 | 4 |
| SLAVA LLCSalem, OR | 1316466 | 1 |
| SLAVNIK EXPRESS LLCPortland, OR | 2062579 | 1 |
| SMILE EXPRESS INCTroutdale, OR | 3021645 | 1 |
| SMITH BROS MOVING SERVICE INCLa Grande, OR | 43827 | 8 |
| SMOKY LLCPortland, OR | 3213694 | 15 |
| SOLE TRANS LLCDamascus, OR | 2099850 | 19 |
| SOUTHERN CAL TRANSPORT COMPANYBeaverton, OR | 74608 | 90 |
| SOUTHERN OREGON INSULATION LLCGrants Pass, OR | 1721438 | 3 |
| SPACE AGE FUEL INCClackamas, OR | 279416 | 25 |
| SPICA NORTHWEST HOLDINGS LLCBrookings, OR | 4522005 | 48 |
| SRG PARTNERS PORTLAND LLCPortland, OR | 3883977 | 2 |
| STATON COMPANIESEugene, OR | 718199 | 19 |
| STEADY LINE LLCGresham, OR | 4346626 | 1 |
| STELLAR SUPPLY CHAIN SOLUTIONS LLCSalem, OR | 4194218 | 8 |
| STEPHEN M ANDERSEN & DAVID L ANDERSEN & SANDRA G ANDERSPortland, OR | 61775 | 9 |
| STETTLER SUPPLY COMPANY LLCSalem, OR | 769276 | 25 |
| STINGER TRANSPORT LLCPrineville, OR | 857871 | 8 |
| STONE EXCAVATION & DEVELOPMENT LLCWilsonville, OR | 1739511 | 18 |
| STRASSER EXCAVATION INCBend, OR | 768759 | 1 |
| STREIMER SHEET METAL WORKS INCPortland, OR | 59605 | 6 |
| STS EXPRESS LLCClackamas, OR | 3414338 | 4 |
| SUMER TRANSPORT LLCPortland, OR | 4331789 | 10 |
| SUNAARI TRUCKING LLCPortland, OR | 4068330 | 3 |
| SUNSHOWER789 LLCHappy Valley, OR | 4473846 | 1 |
| SUPERDRIVE LOGISTICS LLCPortland, OR | 4467024 | 3 |
| SUTTON TRUCKING LLCPortland, OR | 3251658 | 106 |
| SWIFT LIFT LOGISTICS LLCBeaverton, OR | 4307427 | 8 |