| SCSanta Clara Campus Property Owner LLC | Santa Clara | CA | — | ◇ UNVERIFIED |
| SFSanta Fe Custom Works LLC | Albuquerque | NM | — | ◇ UNVERIFIED |
| SMSarduccis Metal Works, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| SISarelle Industries INC | Rogers | MN | — | ◇ UNVERIFIED |
| SMSather Mfg CO INC | Everett | WA | — | ◇ UNVERIFIED |
| SISatterfield INC. | Alexander City | AL | — | ◇ UNVERIFIED |
| SBSaturn Bronze, INC. | Mcmechen | WV | — | ◇ UNVERIFIED |
| SISaulsbury Industries INC | Clackamas | OR | — | ◇ UNVERIFIED |
| SMSault Machine Works | Sault Sainte Marie | MI | — | ◇ UNVERIFIED |
| SESavage Enterprises LLC | Omaha | NE | — | ◇ UNVERIFIED |
| SCSavannah Company | Waunakee | WI | — | ◇ UNVERIFIED |
| SISbpj INC. D/b/a Damar Manufacturing | Tulsa | OK | — | ◇ UNVERIFIED |
| SISbs Industries | Tulsa | OK | — | ◇ UNVERIFIED |
| SSScf Specialty Fabricators, INC. | Calera | AL | — | ◇ UNVERIFIED |
| SMSchaffer Machine INC | Brandon | MN | — | ◇ UNVERIFIED |
| SSSchaffer Specialty Welding, INC. | Milltown | WI | — | ◇ UNVERIFIED |
| SMSchaffner Machine CO. | Berkeley | MO | — | ◇ UNVERIFIED |
| SLSchearerspeed LLC | Reading | PA | — | ◇ UNVERIFIED |
| SLSchilson Legacy Properties LLC | Goodyear | AZ | — | ◇ UNVERIFIED |
| SISchmidt Industries INC | Bay City | MI | — | ◇ UNVERIFIED |
| SMSchmidt Manufacturing INC | Alexandria | MN | — | ◇ UNVERIFIED |
| SMSchmidt-riffer Metalcrafts, INC. | Kansas City | MO | — | ◇ UNVERIFIED |
| SESchram Enterprises, INC. | Melrose Park | IL | — | ◇ UNVERIFIED |
| SISchuette, Inc. | Rothschild | WI | — | ◇ UNVERIFIED |
 Schuff Steel Company | Salt Lake City | UT | — | ◇ UNVERIFIED |
| SMSchultz Mfg INC | Oregon City | OR | — | ◇ UNVERIFIED |
| SPSchutz Precision Machining LLC | Salem | UT | — | ◇ UNVERIFIED |
| SFSchwarb Foundry | Warren | MI | — | ◇ UNVERIFIED |
| SISchwarb Industries INC | Troy | MI | — | ◇ UNVERIFIED |
 Schwoeppe Machine & Tool | Marthasville | MO | — | ◇ UNVERIFIED |
| SEScientific Engineering, INC. I | Salina | KS | — | ◇ UNVERIFIED |
| SRScientific Research CO | Portland | OR | — | ◇ UNVERIFIED |
| SRScientific Research CO | Portland | OR | — | ◇ UNVERIFIED |
| STScientific Tool, INC. | New Stanton | PA | — | ◇ UNVERIFIED |
| SIScmg, INC. | Florence | AL | — | ◇ UNVERIFIED |
| SIScoggins Industrial Inc | Sharpsburg | NC | — | ◇ UNVERIFIED |
| SWScoggins Welding & Machine Shop | Petal | MS | — | ◇ UNVERIFIED |
| STScotia Tool and Machine INC. | San Leandro | CA | — | ◇ UNVERIFIED |
| SCScott C. McKenzie | San Jose | CA | — | ◇ UNVERIFIED |
| SEScott Engineering and Procurement, INC. (1431004456) | Loveland | OH | — | ◇ UNVERIFIED |
| SEScreaming Eagle Machine Corp. | West Springfield | MA | — | ◇ UNVERIFIED |
| SMScrew Machine CO of Elkhorn | Elkhorn | WI | — | ◇ UNVERIFIED |
| SAScroggins a 1 Repair | Troy | AL | — | ◇ UNVERIFIED |
| SDS&D Developing Company, LLC | Kent | WA | — | ◇ UNVERIFIED |
| SMSds Machining INC | Clackamas | OR | — | ◇ UNVERIFIED |
| SFSeaboard Foundry | Johnston, Town of | RI | — | ◇ UNVERIFIED |
| SCSeattle City Mercer Corridor | Seattle | WA | — | ◇ UNVERIFIED |
| SMSeco Machine | North Canton | OH | — | ◇ UNVERIFIED |
| SDSecondary Development and Research, INC. | Ridgway | PA | — | ◇ UNVERIFIED |
| SSSecondary Solutions, Inc. | Rockford | IL | — | ◇ UNVERIFIED |
| SISematco, INC. | Roanoke | VA | — | ◇ UNVERIFIED |
| SPSemco Precision, INC. | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SPSemon Production Machining, Inc., Doug | Shreveport | LA | — | ◇ UNVERIFIED |
| SWSensor Werks | Columbus | OH | — | ◇ UNVERIFIED |
| SBSequoia Brick | Lindsay | CA | — | ◇ UNVERIFIED |
| SPSerbin Precision Machining LLC | Saint Peters | MO | — | ◇ UNVERIFIED |
| SMSerley Manufacturing Company INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| SLSerra Laser Precision, LLC | Libertyville | IL | — | ◇ UNVERIFIED |
| SBService Brass & Aluminum Foundry, INC. | Wichita | KS | — | ◇ UNVERIFIED |
| SGService Grinding & Sharpening INC | Blaine | MN | — | ◇ UNVERIFIED |
| SPServitech Precision Machining Corporation | Baldwin Park | CA | — | ◇ UNVERIFIED |
| SMSewell Machine Shop | Dallas | GA | — | ◇ UNVERIFIED |
| SESewer Equipment CO. of Florida, INC. | New Smyrna Beach | FL | — | ◇ UNVERIFIED |
| SESeychelle Environmental Technologies | San Juan Capistrano | CA | — | ◇ UNVERIFIED |
| SBSgjb Business Holdings INC Dba Progressive Enginee | Lino Lakes | MN | — | ◇ UNVERIFIED |
| SASGSM Auto Care Corp | Fort Worth | TX | — | ◇ UNVERIFIED |
| SEShackelford Equipment Company | Plainview | TX | — | ◇ UNVERIFIED |
| SMShackelford Machine INC | Clearwater | KS | — | ◇ UNVERIFIED |
| SMShaffer Manufacturing | Urbana | OH | — | ◇ UNVERIFIED |
| SVShared Vision LLC | Warren | MI | — | ◇ UNVERIFIED |
| SGSharp Grinding CO INC | West Springfield | MA | — | ◇ UNVERIFIED |
| SSSharp Steel Rule Die INC. | Emmaus | PA | — | ◇ UNVERIFIED |
| SPShattuck Precision Machining CO INC | Westford | MA | — | ◇ UNVERIFIED |
| SAShaw Alloy Piping Products, LLC | Houma | LA | — | ◇ UNVERIFIED |
| SMShed Metalworks, LLC | Cunningham | KY | — | ◇ UNVERIFIED |
| SMSheelers Machine Shop | Branson | MO | — | ◇ UNVERIFIED |
| SFShelco Foundries Div of Gnutti Cado USA | Jacksonville | AL | — | ◇ UNVERIFIED |
| SIShemoggun INC Dba Kramer - Moen Machine CO | Duluth | MN | — | ◇ UNVERIFIED |
| SMShenandoah Machine Shop | Shenandoah | VA | — | ◇ UNVERIFIED |
| SFSherman Foundry | Sherman | TX | — | ◇ UNVERIFIED |
| SRShields RE, LLC | Homosassa | FL | — | ◇ UNVERIFIED |
| SCShiloh Cody, LLC | Dayton | OH | — | ◇ UNVERIFIED |
| SSShiloh Services, INC. | Prospect | TN | — | ◇ UNVERIFIED |
| SMShrewsbury Machine & Gear, INC. | Athens | WV | — | ◇ UNVERIFIED |
| SMShunn Machining LLC | Lowell | AR | — | ◇ UNVERIFIED |
| SESiemens Energy, INC | Geismar | LA | — | ◇ UNVERIFIED |
| STSierra Torque Converters,dba Nasir Kassa | Ontario | CA | — | ◇ UNVERIFIED |
| SISigmamotor INC. | Middleport | NY | — | ◇ UNVERIFIED |
| SCSignature Cnc LLC | Harrison Township | MI | — | ◇ UNVERIFIED |
| SLSilva LLC | Lockport | NY | — | ◇ UNVERIFIED |
| SISimonds INC | Southbridge | MA | — | ◇ UNVERIFIED |
| SMSimonz Machine Dba Hyve Technologies | San Diego | CA | — | ◇ UNVERIFIED |
| STSimple Tool Co, INC. | Gloucester | MA | — | ◇ UNVERIFIED |
| SISinecera INC Dba Crown Precision | Irwindale | CA | — | ◇ UNVERIFIED |
 Sinicon Plastics INC | Lenox | MA | — | ◇ UNVERIFIED |
| SMSirota's Machine Company, INC. | New Brighton | PA | — | ◇ UNVERIFIED |
| SESisson Engineering Corp. | Northfield | MA | — | ◇ UNVERIFIED |
| SSSivyer Steel Castings LLC | Bettendorf | IA | — | ◇ UNVERIFIED |
| SSSivyer Steel CORP | Bettendorf | IA | — | ◇ UNVERIFIED |
| SSSivyer Steel Corporation | Bettendorf | IA | — | ◇ UNVERIFIED |
