| SRSacramento Rebar, INC | Sacramento | CA | — | ◇ UNVERIFIED |
| SESae Engineering, INC. | Morgan Hill | CA | — | ◇ UNVERIFIED |
| SAS & a Enterprises, Incorporated | Rosedale | MD | — | ◇ UNVERIFIED |
| SPS.A.E. Pipe Welding and Fabrication L.L.C. | Brigham City | UT | — | ◇ UNVERIFIED |
| SISafebasements INC | Paynesville Township | MN | — | ◇ UNVERIFIED |
| SHSafe Harbor Access Systems Ii LLC | Quinby | SC | — | ◇ UNVERIFIED |
| SLSafelineFP, LLC | Stevensville | MD | — | ◇ UNVERIFIED |
| SASafer Automatic Wheel Chair Locks LLC INC | Monroe | LA | — | ◇ UNVERIFIED |
| SLSafe-t-sense, LLC | Elgin | IL | — | ◇ UNVERIFIED |
| SWSafe Way Steel , INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| SHS.a. Halac Iron Works, Incorporated | Sterling | VA | — | ◇ UNVERIFIED |
| SCSalas Custom Metal INC | Albuquerque | NM | — | ◇ UNVERIFIED |
| SPSalco Products, INC. | Lemont | IL | — | ◇ UNVERIFIED |
| SHSalem Heating & Sheet Metal INC | Dallas | OR | — | ◇ UNVERIFIED |
| SHSalem Heating & Sheet Metal INC | Salem | OR | — | ◇ UNVERIFIED |
| SHSalem Heating & Sheet Metal INC | Salem | OR | — | ◇ UNVERIFIED |
| SHSalem Heating & Sheet Metal INC | Salem | OR | — | ◇ UNVERIFIED |
| SHSalem Heating & Sheet Metal INC | Salem | OR | — | ◇ UNVERIFIED |
| SSSalem Sign CO INC | Salem | OR | — | ◇ UNVERIFIED |
| SAS & A Trombley Corporation | Morrisville | VT | — | ◇ UNVERIFIED |
| SGS. & G. Iron Works, Inc. | Zion | IL | — | ◇ UNVERIFIED |
| SESamson Exhaust | Sturgis | SD | — | ◇ UNVERIFIED |
| SFSamson Fabricators, LLC | Clute | TX | — | ◇ UNVERIFIED |
| SMSanco Metal Fabricators, LLC | Lubbock | TX | — | ◇ UNVERIFIED |
| SSSan-co Steel, LTD | Donna | TX | — | ◇ UNVERIFIED |
| SFSanders Fabrication | Garden City | GA | — | ◇ UNVERIFIED |
| SHSandness Holdings LLC | Waller | TX | — | ◇ UNVERIFIED |
| SISanford Industrial Contractors INC. | Farmington | NY | — | ◇ UNVERIFIED |
| SSSanford Steel Corporation | Goldston | NC | — | ◇ UNVERIFIED |
| SSSanitary Stainless Welding INC | Fresno | CA | — | ◇ UNVERIFIED |
| SMSan Mateo, INC. | Bensenville | IL | — | ◇ UNVERIFIED |
| SCSanmina Corporation | Fremont | CA | — | ◇ UNVERIFIED |
| SFSanta Fe Enameling & Metal Finishing CO | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SRSanta Rosa Systems, INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
| SMSantee Metal Works LLC | Littleton | CO | — | ◇ UNVERIFIED |
| SMSantourian Manufacturingna INC | Oceanside | CA | — | ◇ UNVERIFIED |
| SVSan Val Precision, INC | Moorpark | CA | — | ◇ UNVERIFIED |
| SISaqaf Inc. | Dallas | TX | — | ◇ UNVERIFIED |
 Satellite Industries, INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| SGSauer Group, INC. | Oak Hill | FL | — | ◇ UNVERIFIED |
| SISaulsbury Industries INC | Clackamas | OR | — | ◇ UNVERIFIED |
| SMSaunders Manufacturing CO INC | Readfield | ME | — | ◇ UNVERIFIED |
| SMSause Marine Services INC | Molalla | OR | — | ◇ UNVERIFIED |
| SESave Edge, INC. | Xenia | OH | — | ◇ UNVERIFIED |
| SFSavoy fabrications LLC | Morgantown | IN | — | ◇ UNVERIFIED |
| SSSavvy Staffing Solutions, LLC | Lunenburg | MA | — | ◇ UNVERIFIED |
| SWSawtooth Welding & Fabrication, LLC | Nampa | ID | — | ◇ UNVERIFIED |
| SMSaylor Mobile Power Panels, Llc | Indianapolis | IN | — | ◇ UNVERIFIED |
| SCSb Carroll, INC. | Bloomingdale | OH | — | ◇ UNVERIFIED |
| SGSbi General & Mechanical INC. | Waterbury | NE | — | ◇ UNVERIFIED |
