| RMRk Manufacturing Corporation of Ct | Danbury | CT | 100–499 | ● ACTIVE |
R.m. Baker Machine & Tool, INC. | Covina | CA | — | ● ACTIVE |
Roben Manufacturing CO INC | Lakewood | NJ | — | ● ACTIVE |
Robmar Precision, INC | Westland | MI | — | ● ACTIVE |
Rock Industries, INC. | Rock Valley | IA | — | ● ACTIVE |
Rohmac INC | Mount Storm | WV | — | ● ACTIVE |
| RERomac Electronics, INC. | Plainview | NY | 20–99 | ● ACTIVE |
R-o Mfg. CO. LLC | Fort Worth | TX | — | ● ACTIVE |
Ronlo Engineering, LTD. | Camarillo | CA | — | ● ACTIVE |
| RMRosewood Machine and Tool CO. | Rosewood | OH | 20–99 | ● ACTIVE |
Ross Machine Company INC | Belcamp | MD | 20–99 | ● ACTIVE |
| RPRota Pack INC | Farmingdale | NY | — | ● ACTIVE |
Rotary Systems INC | Anoka | MN | — | ● ACTIVE |
Roura Acquisition INC | Clinton Township | MI | — | ● ACTIVE |
Roush & Yates Racing Engines LLC | Mooresville | NC | 100–499 | ● ACTIVE |
Roy E. Hanson Jr. Mfg. | Los Angeles | CA | — | ● ACTIVE |
Roysters Machine Shop LLC | Henderson | KY | 20–99 | ● ACTIVE |
Rozic Tool & Machine LLC | Euclid | OH | — | ● ACTIVE |
Rp&e LLC | Franklin | IN | 20–99 | ● ACTIVE |
Rpmachining INC | Colorado Springs | CO | — | ● ACTIVE |
R & S Machining LLC | Saint Louis | MO | — | ● ACTIVE |
R.s. Precision Industries, INC | Farmingdale | NY | — | ● ACTIVE |
Rti Remmele Engineering, INC. | Big Lake | MN | — | ● ACTIVE |
Rugo Machine Shop Services LLC | Phoenix | AZ | 20–99 | ● ACTIVE |
Ruoff & Sons, LLC | Runnemede | NJ | — | ● ACTIVE |
Rusty's Machine & Tool, INC. | Damascus | AR | — | ● ACTIVE |
| RERuxco Engineering, INC. | Diamond Springs | CA | — | ● ACTIVE |
| SCSabrin CORP | Pasadena | CA | — | ● ACTIVE |
Saginaw Control & Engineering INC | Saginaw | MI | — | ● ACTIVE |
Saliba Industries Holdings, LLC | Waukegan | IL | — | ● ACTIVE |
Saliga Machine Co., INC. | Hudson | MA | — | ● ACTIVE |
Sample Machining INC | Dayton | OH | — | ● ACTIVE |
Samuel, Son & CO. (usa) INC. | Marinette | WI | — | ● ACTIVE |
S and a Machine Works LLC | Saraland | AL | 20–99 | ● ACTIVE |
Sanks Machining INC | Staunton | IL | — | ● ACTIVE |
Santa Fe Enterprises INC. | Santa Fe Springs | CA | — | ● ACTIVE |
Sarco Precision, INC. | Mount Vernon | WA | 20–99 | ● ACTIVE |
| SMSas Manufacturing LLC | Arvada | CO | — | ● ACTIVE |
Sathorn CORP | Williston | VT | — | ● ACTIVE |
Saturn Machine INC. | Brookshire | TX | — | ● ACTIVE |
| SMSaxon Machine & Design, LLC | Mount Airy | MD | — | ● ACTIVE |
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 |
Scull Manufacturing, LLC | Olean | NY | — | ● ACTIVE |
Seattle Boiler Works INC | Seattle | WA | — | ● 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 |
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 |
Shoemaker Mfg Solutions INC. | Souderton | PA | — | ● 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 |
Small Parts Manufacturing Co., INC. | Portland | OR | — | ● ACTIVE |
Sonic Aerospace INC. | Chandler | AZ | — | ● ACTIVE |
Sonic Manufacturing Corporation | Elk Grove Village | IL | — | ● ACTIVE |
Southbridge Sheet Metal Works, INC | Sturbridge | MA | — | ● ACTIVE |
Southern Fabrication Works, LLC | Burley | ID | — | ● ACTIVE |
Southern Machine Works INC | Duncan | OK | 20–99 | ● 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 |
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 |
Steelhead Metal CORP | Nampa | ID | — | ● ACTIVE |
Steel-pro INC | Rockland | ME | — | ● ACTIVE |