| SWSeaboard Wellhead INC | Fairmont | WV | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SISeranovi Investment CO LLC | Los Angeles | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SKService King Manufacturing, INC. | Stroud | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SPSheeran Pipeline, Inc. | San Francisco | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SQSir Q LLC | Williston | ND | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SSSKB Supply, L.L.C. | Orangeville | UT | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| S1Sl 19964 #1 Production Facility - S Pass Block 12 Field | Venice | LA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SBSmall Boat Company LLC | Carson | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SISmdi, INC. | Oklahoma City | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SMSmi Manufacturing INC. | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
 Smith International | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| Smith International INC | Buckhannon | WV | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
 Snoe INC. Machining & Welding | Caldwell | TX | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SOSolaris Oilfield Infrastructure | Early | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SISoli-bond INC | Bakersfield | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SISond Industries LLC | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SOSouthwest Oilfield Products INC | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SMStewart Machine & Welding INC. | Vernal | UT | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SSStewart & Stevenson Manufacturing Technologies | Odessa | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SCStotler CO | Bakersfield | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SIStream-flo Industries LTD. | Indiana | PA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SRSucker Rod Mfg | Claremore | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| SSSunrise Senior Living | Santa Monica | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TITam International | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TGTandem Gse LLC | East Rancho Domingue | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TCTarget Completions LLC | Broken Arrow | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TITaylor Industries LLC | Erick | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TLTefsco, LLC | Lafayette | LA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TGTek Group International INC. | Canal Fulton | OH | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TRT.e. Roberts, INC. | Bloomington | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TDThe Dickirson Corporation | Ripley | WV | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| TIThe Irvine Company | Irvine | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TMTitan Manufacturing, Inc. | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TSTorque Systems Specialties INC | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TOTotal Oilfield & Supply, LLC | Robstown | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TOTrb Oilfield Services | Bakersfield | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TSTree Service Kings, INC. | Tarzana | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TITrico Industries INC | Signal Hill | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TITrico Industries Incorporated | Huntington Park | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TTT & T Carbide, INC. | Logan | IL | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| TTTucker Techs INC | Tulsa | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| UUcsb | Santa Barbara | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| UCUnit Corporation | Oklahoma City | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| USUS Synthetic CORP. | Orem | UT | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| VIValtra INC | Santa Fe Springs | CA | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| VDVam Drilling USA INC | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| VLVarco, LP | Odessa | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| VMVelox Manufacturing Services, LLC | Humble | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| VGVetco Gray | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| VVulcan | Mansfield | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
