| SISos/aaa Iron Works INC | Mobile | AL | — | ◇ UNVERIFIED |
| SHSOSD Holdings, LLC | Kentwood | MI | — | ◇ UNVERIFIED |
| SSSos Soda Blasting, INC. | Rockford | IL | — | ◇ UNVERIFIED |
| SBSotek Belrix | Hamburg | NY | — | ◇ UNVERIFIED |
| SFSource Fluid Power INC Dba Vector Engineering CO | Chaska | MN | — | ◇ UNVERIFIED |
| SMSource Machine INC | Burnsville | MN | — | ◇ UNVERIFIED |
| STSource Too Machine INC. | Winnemucca | NV | — | ◇ UNVERIFIED |
| SPSouriau Paande Sequim | Sequim | WA | — | ◇ UNVERIFIED |
| SASouth Austin Workshop, LLC | Austin | TX | — | ◇ UNVERIFIED |
| SBSouth Bay Chrome | Santa Ana | CA | — | ◇ UNVERIFIED |
| SESouthbay Eco Blasting INC | Redondo Beach | CA | — | ◇ UNVERIFIED |
 South Central Manufacturing Corporation | Summersville | MO | — | ◇ UNVERIFIED |
| SCSouth Central Precision Machine, CORP | Richfield | UT | — | ◇ UNVERIFIED |
| SCSouth Coast Quality Gold | Huntington Beach | CA | — | ◇ UNVERIFIED |
| SCSouth County Muffler | Morgan Hill | CA | — | ◇ UNVERIFIED |
| SESoutheastern Engineering Sales INC | Colonial Heights | VA | — | ◇ UNVERIFIED |
| SISoutheastern Industrial Plating, INC. | Statesville | NC | — | ◇ UNVERIFIED |
| SMSoutheastern Manufacturing Enterprise, INC. | Franklin | TN | — | ◇ UNVERIFIED |
| SMSoutheastern Metal Fabricator | Rockland | MA | — | ◇ UNVERIFIED |
| SPSoutheastern Plateworks | Birmingham | AL | — | ◇ UNVERIFIED |
| STSoutheastern Tool Co., INC. | Aiken | SC | — | ◇ UNVERIFIED |
| SFSouth-east Fabricators INC. | Rocky Mount | NC | — | ◇ UNVERIFIED |
| SASouthern Aluminum Finishing Company | Atlanta | GA | — | ◇ UNVERIFIED |
| SASouthern Anchor Bolt CO. | Harlem | GA | — | ◇ UNVERIFIED |
| SBSouthern Boiler & Tank Works, Incorporat | Memphis | TN | — | ◇ UNVERIFIED |
| SCSouthern California Plating CO INC | San Diego | CA | — | ◇ UNVERIFIED |
| SCSouthern Carbide, INC. | Shreveport | LA | — | ◇ UNVERIFIED |
| SCSouthern Custom Fabrication | Carencro | LA | — | ◇ UNVERIFIED |
| SESouthern Enterprises of Southeast Louisiana, INC. | Ponchatoula | LA | — | ◇ UNVERIFIED |
| SESouthern Erectors INC | Pensacola | FL | — | ◇ UNVERIFIED |
| SISouthern Imperial LLC | Rockford | IL | — | ◇ UNVERIFIED |
| SISouthern Industrial Metal Fabricators INC | Smyrna | GA | — | ◇ UNVERIFIED |
| SMSouthern Machine and Tool, Inc. | Georgetown | SC | — | ◇ UNVERIFIED |
| SMSouthern Machinery CORP | Lakeland | FL | — | ◇ UNVERIFIED |
| SMSouthern Maine Industries CORP | Gorham | ME | — | ◇ UNVERIFIED |
| SMSouthern Metalcraft, INC | Lithonia | GA | — | ◇ UNVERIFIED |
| SMSouthern Metal Processing Company | Oxford | AL | — | ◇ UNVERIFIED |
| SMSouthern Metal Restoration Company, LLC | Newnan | GA | — | ◇ UNVERIFIED |
| SMSouthern Miscellaneous Columbia LLC | West Columbia | SC | — | ◇ UNVERIFIED |
| SNSouthern Nut 'n Tree Equipment | Goldthwaite | TX | — | ◇ UNVERIFIED |
| SPSouthern Painting & Blasting LLC | Casselberry | FL | — | ◇ UNVERIFIED |
| SPSouthern Perfection Fabrication Holdings, INC. | Byron | GA | — | ◇ UNVERIFIED |
| SPSouthern Plating INC | Johnston City | IL | — | ◇ UNVERIFIED |
| SRSouthern Roller INC. | Carrollton | GA | — | ◇ UNVERIFIED |
| SRSouthern Rotary Drill | Nauvoo | AL | — | ◇ UNVERIFIED |
| SRSouthern Rust Furniture LLC | Monroe | NC | — | ◇ UNVERIFIED |
| SSSouthern Stamping | Irvington | AL | — | ◇ UNVERIFIED |
| SSSouthern Steel & Wire | Fort Smith | AR | — | ◇ UNVERIFIED |
| SSSouthern Steel - Wire Incorporated | Madison | NC | — | ◇ UNVERIFIED |
| SVSouthern Vac, LLC | Grand Prairie | TX | — | ◇ UNVERIFIED |
| SFSouth Fork Industries, Inc. | Lebanon | OR | — | ◇ UNVERIFIED |
| SFSouth Fulton Machine Works, INC. | Atlanta | GA | — | ◇ UNVERIFIED |
| SGSouth Gate Engineering LLC | Chino | CA | — | ◇ UNVERIFIED |
| SHSouth Holland Metal Finishing | South Holland | IL | — | ◇ UNVERIFIED |
| SCSouth-land Carbon Products, INC. | Birmingham | AL | — | ◇ UNVERIFIED |
| SMSouthland Manufacturing INC | Douglasville | GA | — | ◇ UNVERIFIED |
| SLSouthline - Lpgs Tanforan LLC | South San Francisco | CA | — | ◇ UNVERIFIED |
| SMSouth Machine Shop | Brownsville | TX | — | ◇ UNVERIFIED |
| SMSouth Metro Wire Edm INC | Shakopee | MN | — | ◇ UNVERIFIED |
| SPSouth Plains Steel, INC. | Lubbock | TX | — | ◇ UNVERIFIED |
| SBSouthport Boats, LLC | Leland | NC | — | ◇ UNVERIFIED |
| SSSouth Shore Finishers INC. (1318008119) | Cleveland | OH | — | ◇ UNVERIFIED |
| SSSouth Shore Plating CO INC | Mineola | NY | — | ◇ UNVERIFIED |
| SMSouthwark Metal Manufacturing CO. | Fremont | NE | — | ◇ UNVERIFIED |
| SESouthwest Engineering Company | Oklahoma City | OK | — | ◇ UNVERIFIED |
| SCSouthwestern Creations LLC | South West City | MO | — | ◇ UNVERIFIED |
| SSSouthwestern Supply & Machine Works* | Saint Joseph | MO | — | ◇ UNVERIFIED |
| SWSouthwestern Wire Cloth, INC. | Broken Arrow | OK | — | ◇ UNVERIFIED |
| SMSouthwest Metal Finishing - 2785 S 167th | New Berlin | WI | — | ◇ UNVERIFIED |
| SMSouthwest Metal Finishing - Dakota St Plant | New Berlin | WI | — | ◇ UNVERIFIED |
| SMSouthwest Metal Finishing, INC. | New Berlin | WI | — | ◇ UNVERIFIED |
| SMSouthwest Montana Machine Works LLC | Butte | MT | — | ◇ UNVERIFIED |
| SPSouthwest Plating INC / Duncan Plating Facility | Duncan | OK | — | ◇ UNVERIFIED |
| SPSouthwest Polishing & Gold | Houston | TX | — | ◇ UNVERIFIED |
| SVSouthwest Valve, INC. | Gonzales | LA | — | ◇ UNVERIFIED |
| SCSouthwire Company | Carrollton | GA | — | ◇ UNVERIFIED |
| SSovema | Saint Louis | MO | — | ◇ UNVERIFIED |
| SLSpace Lok Incorporated | Gardena | CA | — | ◇ UNVERIFIED |
| SCSpaid Corporation, INC. | Pittsburgh | PA | — | ◇ UNVERIFIED |
| SESpantek Expanded Metal INC | Hopkins | MN | — | ◇ UNVERIFIED |
| SSSpare Skid Plate | Aurora | CO | — | ◇ UNVERIFIED |
| SESparkman Enterprises LLC | Tucson | AZ | — | ◇ UNVERIFIED |
| STSpark Tool, INC. | Meadville | PA | — | ◇ UNVERIFIED |
| SSSpartanburg Stainless Products | Spartanburg | SC | — | ◇ UNVERIFIED |
| SISpartan Industrial Holdings Llc | Grandville | MI | — | ◇ UNVERIFIED |
| SISpartan Industries, INC. | Pacolet | SC | — | ◇ UNVERIFIED |
| SSSpartan Steel LLC | Pocatello | ID | — | ◇ UNVERIFIED |
| STSpartan Tool & Die | Sinclairville | NY | — | ◇ UNVERIFIED |
| SMSpartech Marine Industries Florida | Rockledge | FL | — | ◇ UNVERIFIED |
| SMSparton Metal Services | Garden Grove | CA | — | ◇ UNVERIFIED |
| SESpaulding Equipment CO | Perris | CA | — | ◇ UNVERIFIED |
| SBSpec Built Systems INC | Chula Vista | CA | — | ◇ UNVERIFIED |
| SFSpecial Fab & Machine, INC. | Lexington | NC | — | ◇ UNVERIFIED |
| SFSpecial Fleet Service | Harrisonburg | VA | — | ◇ UNVERIFIED |
| SBSpeciality Bar Products Company | Blairsville | PA | — | ◇ UNVERIFIED |
| SMSpeciality Manufacturing | Nazareth | PA | — | ◇ UNVERIFIED |
| SFSpecialized Fabrication & Machine INC | Eugene | OR | — | ◇ UNVERIFIED |
| SPSpecialized Processing CO INC | El Cajon | CA | — | ◇ UNVERIFIED |
| STSpecialized Turning, INC. | Peabody | MA | — | ◇ UNVERIFIED |
| SMSpecial Metal Services | Omaha | NE | — | ◇ UNVERIFIED |
