| SMSantourian Manufacturingna INC | Oceanside | CA | — | ◇ UNVERIFIED |
| SVSan Val Precision, INC | Moorpark | CA | — | ◇ UNVERIFIED |
| SMSarduccis Metal Works, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| SISarelle Industries INC | Rogers | MN | — | ◇ UNVERIFIED |
 Satellite Industries, INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| SMSather Mfg CO INC | Everett | WA | — | ◇ UNVERIFIED |
| SBSaturn Bronze, INC. | Mcmechen | WV | — | ◇ UNVERIFIED |
| SISaulsbury Industries INC | Clackamas | OR | — | ◇ UNVERIFIED |
| SMSault Machine Works | Sault Sainte Marie | MI | — | ◇ UNVERIFIED |
| SMSaunders Manufacturing CO INC | Readfield | ME | — | ◇ UNVERIFIED |
| SESavage Enterprises LLC | Omaha | NE | — | ◇ UNVERIFIED |
| SCSavannah Company | Waunakee | WI | — | ◇ UNVERIFIED |
| SESave Edge, INC. | Xenia | OH | — | ◇ UNVERIFIED |
| SFSavoy fabrications LLC | Morgantown | IN | — | ◇ UNVERIFIED |
| SSSavvy Staffing Solutions, LLC | Lunenburg | MA | — | ◇ UNVERIFIED |
| SMSaylor Mobile Power Panels, Llc | Indianapolis | IN | — | ◇ UNVERIFIED |
| SISbpj INC. D/b/a Damar Manufacturing | Tulsa | OK | — | ◇ UNVERIFIED |
| SRS&b Rolling Inc-thread Rolling | San Fernando | CA | — | ◇ UNVERIFIED |
| SISbs Industries | Tulsa | OK | — | ◇ UNVERIFIED |
| SIScenic Industries, LLC | Chattanooga | TN | — | ◇ 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 |
| SMSchaffner Machine Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| SLSchearerspeed LLC | Reading | PA | — | ◇ UNVERIFIED |
| SLSchilson Legacy Properties LLC | Goodyear | AZ | — | ◇ UNVERIFIED |
| SLSchlage Lock Company LLC Dba Krieger Specialty Products | Pico Rivera | CA | — | ◇ 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 |
| SMSchuler Machine & Tool Company | Louisville | KY | — | ◇ UNVERIFIED |
| SMSchultz Mfg INC | Oregon City | OR | — | ◇ UNVERIFIED |
| STSchulze Tool Company | Independence | MO | — | ◇ UNVERIFIED |
| SPSchutz Precision Machining LLC | Salem | UT | — | ◇ UNVERIFIED |
| SCSchwab CORP. | Rochester | NY | — | ◇ 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 |
