S&b Metal Products of Twinsburg, LLC | Twinsburg | OH | 20–99 | ● ACTIVE |
Schmid Tool & Engineering CORP | Villa Park | IL | — | ● ACTIVE |
Schmidt Tool & Manufacturing CO LLC | Willis | TX | — | ● ACTIVE |
Schmiede Corporation | Tullahoma | TN | — | ● ACTIVE |
Schoen Insulation Services, LLC | Canton | GA | 100–499 | ● ACTIVE |
| SPSchultes Precision Manufacturing INC | Buffalo Grove | IL | 100–499 | ● ACTIVE |
Sc Manufacturing Texas LLC | Joshua | TX | — | ● ACTIVE |
Scotia Engineering, INC | Santa Fe Springs | CA | — | ● ACTIVE |
| SSSc Steel LLC | Taylors | SC | 100–499 | ● ACTIVE |
Scull Manufacturing, LLC | Olean | NY | — | ● ACTIVE |
Sea Box INC | Hillsborough | NJ | 20–99 | ● ACTIVE |
| SISelective Industries, INC. | Marine City | MI | 20–99 | ● ACTIVE |
Selectwo Machine Company, INC | Longwood | FL | — | ● ACTIVE |
Sentinel Management INC | Lorain | OH | — | ● ACTIVE |
| SISerrano Industries, INC. | Santa Fe Springs | CA | — | ● ACTIVE |
Serrmi Products LLC | Pittsburg | KS | 100–499 | ● ACTIVE |
Service Metal Fabricators, INC. | Williamsburg | VA | — | ● ACTIVE |
Sfi, INC. | Orlando | FL | — | ● ACTIVE |
Shamrock Machining, INC | Spokane Valley | WA | — | ● ACTIVE |
Sharp Dimension INC. | Fremont | CA | — | ● ACTIVE |
Sharp Tool Manufacturing, LLC | Ogden | UT | — | ● ACTIVE |
| SMSheet Metal Engineering | Simi Valley | CA | — | ● ACTIVE |
| SES&h Engineering, INC | Chelmsford | MA | — | ● ACTIVE |
Shepard Steel CO INC | Hartford | CT | — | ● ACTIVE |
Shoemaker Mfg Solutions INC. | Souderton | PA | — | ● ACTIVE |
S & H Steel Co, LLC | Gilbert | AZ | — | ● ACTIVE |
Shure Manufacturing Corporation | Washington | MO | — | ● ACTIVE |
Silicon Valley Precision, INC. | Livermore | CA | — | ● ACTIVE |
Sinclair and Sons Custom Welding and Machining Service INC. | Wichita | KS | — | ● ACTIVE |
Sisneros Bros. Mfg., LLC. | Belen | NM | — | ● ACTIVE |
Sistersville Tank Works INC | Sistersville | WV | — | ● ACTIVE |
Sjd Machining, INC. | Meadville | PA | 20–99 | ● ACTIVE |
Skyline Steel, LLC | Armorel | AR | 20–99 | ● ACTIVE |
Skymaster, INC. | City of Industry | CA | — | ● ACTIVE |
S L Chasse Welding & Fabricating, INC. | Hudson | NH | — | ● ACTIVE |
Small Parts Manufacturing Co., INC. | Portland | OR | — | ● ACTIVE |
Smith Ironworks INC | Lyerly | GA | — | ● ACTIVE |
Sonic Aerospace INC. | Chandler | AZ | — | ● ACTIVE |
Sonic Manufacturing Corporation | Elk Grove Village | IL | — | ● ACTIVE |
Southbridge Sheet Metal Works, INC | Sturbridge | MA | — | ● ACTIVE |
Southern Machine Works INC | Duncan | OK | 20–99 | ● ACTIVE |
Southern Services & Equipment INC | Saint Bernard | LA | — | ● ACTIVE |
| SSSouthwestern Suppliers INC | Tampa | FL | 20–99 | ● ACTIVE |
Southwest Trailer Manufacturing INC | Miami | FL | — | ● ACTIVE |
Sparton Technology CORP | Hudson | NH | 20–99 | ● ACTIVE |
Specialty Engineering, INC. | Saint Paul | MN | — | ● ACTIVE |
| SFSpecialty Fitness Systems, LLC | Franklin | PA | — | ● ACTIVE |
Specialty Machining INC | Newberry | FL | — | ● ACTIVE |
Spec Tool Company | Santa Fe Springs | CA | — | ● ACTIVE |
Spectrum Custom Molds & Manufacturing, INC | Palmetto | FL | — | ● ACTIVE |
Spg International LLC | Covington | GA | 20–99 | ● ACTIVE |
Spiral Industries, INC. | Howell | MI | — | ● ACTIVE |
Spirol Shim Corporation | Stow | OH | — | ● ACTIVE |
| SMSp Machine, INC | Hudson | MA | — | ● ACTIVE |
| SISpsm Industries INC | Burnsville | MN | — | ● ACTIVE |
Spyderco, INC. | Golden | CO | — | ● ACTIVE |
Srpm INC | Solon | OH | 20–99 | ● ACTIVE |
S & R Sheet Metal, INC. | Kelso | WA | — | ● ACTIVE |
S & R Tool, INC | Lakeville | NY | — | ● ACTIVE |
S & S Carbide Tool, INC. | Poway | CA | — | ● ACTIVE |
| SSS & S Metal Fabrication, INC | Tacoma | WA | — | ● ACTIVE |
| SSS & S Tool & Machine CO | Louisville | KY | 20–99 | ● ACTIVE |
Stacy Machine & Tooling INC | Broomfield | CO | — | ● ACTIVE |
| SCStageright CORP | Clare | MI | — | ● ACTIVE |
Stanley Engineering Company, LLC | Glen Burnie | MD | — | ● ACTIVE |
Stanley Machining & Tool CORP | Carpentersville | IL | 100–499 | ● ACTIVE |
Stanron CORP | Fort Lauderdale | FL | — | ● ACTIVE |
Starlite Diversified INC | Meadville | PA | — | ● ACTIVE |
Steel-craft CORP. of Hartford | Hartford | WI | — | ● ACTIVE |
Steel Fab, INC. | Arlington | WA | — | ● ACTIVE |
Steelfab, INC. | Florence | SC | — | ● ACTIVE |
Steelhead Metal CORP | Nampa | ID | — | ● ACTIVE |
Steel-pro INC | Rockland | ME | — | ● ACTIVE |
Steel Service Corporation | Flowood | MS | — | ● ACTIVE |
Steelville Manufacturing CO | Steelville | MO | — | ● ACTIVE |
Stellar Industries LLC | Nappanee | IN | — | ● ACTIVE |
Stephens Precision, INC | Bradford | VT | — | ● ACTIVE |
Sterling Machine Technologies, INC. | Palmyra | PA | 20–99 | ● ACTIVE |
Sterling Precision, LLC | Clinton | MA | — | ● ACTIVE |
Stewart-amos Steel, INC | Harrisburg | PA | — | ● ACTIVE |
Still Waters Metal Fab LLC | Spokane Valley | WA | — | ● ACTIVE |
Stines' Machine, INC. | Vista | CA | — | ● ACTIVE |
| SBStone Bridge Iron and Steel INC | Gansevoort | NY | 20–99 | ● ACTIVE |
Straight Street LLC | Kent | OH | — | ● ACTIVE |
Straitek, LLC | Danbury | CT | — | ● ACTIVE |
Straton Industries, INC. | Stratford | CT | — | ● ACTIVE |
| SMStrickland Machine Company, LLC | Richmond | VA | 1–19 | ● ACTIVE |
Strohwig Industries, INC. | Richfield | WI | 100–499 | ● ACTIVE |
Strom Manufacturing, LLC | North Plains | OR | — | ● ACTIVE |
Sts Steel, INC. | Schenectady | NY | 20–99 | ● ACTIVE |
Sulzer Machine & Manufacturing INC | Mosinee | WI | — | ● ACTIVE |
Summit Machine Solutions LLC | Akron | OH | — | ● ACTIVE |
Summit Machining Co., LTD. | Mogadore | OH | — | ● ACTIVE |
Superior Machining and Fabrication INC | Muenster | TX | — | ● ACTIVE |
Superior Motion Controls, INC. | Farmingdale | NY | — | ● ACTIVE |
Superior Precision Sheet Metal CORP. | Colorado Springs | CO | — | ● ACTIVE |
Superior Steel INC | Knoxville | TN | — | ● ACTIVE |
Superior Steel, LLC | Eugene | OR | — | ● ACTIVE |
Super Sky Products Enterprises, LLC | Mequon | WI | 20–99 | ● ACTIVE |
Surface Engineering Specialties | Sunnyvale | CA | 20–99 | ● ACTIVE |