| SPSmall Paper CO. | Huntington Park | CA | Paper Manufacturing322230 | 20-99 | ◇ UNVERIFIED |
| SMSmiths Machine and Welding Company INC | Brookhaven | MS | Fabricated Metal Product Manufacturing332710 | 20-99 | ◇ UNVERIFIED |
| SMS & Molders, INC | Manalapan | NJ | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◇ UNVERIFIED |
| SBSms Briners, INC. | Stockton | CA | Food Manufacturing311421 | 20-99 | ◇ UNVERIFIED |
| SISms Industries LLC | Hamden | CT | Fabricated Metal Product Manufacturing332322 | 20-99 | ◇ UNVERIFIED |
| SRSoiland Resources LLC | Windsor | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◇ UNVERIFIED |
| SPSolar Products INC | Pompton Lakes | NJ | Machinery Manufacturing333994 | 20-99 | ◇ UNVERIFIED |
| SSSorrells Sawmill | Sparkman | AR | Wood Product Manufacturing321113 | 20-99 | ◇ UNVERIFIED |
| SFSoutheastern Foundries Corporation | Greensboro | NC | Primary Metal Manufacturing331522 | 20-99 | ◇ UNVERIFIED |
| SFSoutheast Fabricators, INC. | Cottondale | AL | Fabricated Metal Product Manufacturing332312 | 20-99 | ◇ UNVERIFIED |
| SRSoutheast Readi-mix - Carlsbad Plant Gcp | Carlsbad | NM | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◇ UNVERIFIED |
| SASouthern Aluminum Foundry:clinton | Clinton | SC | Primary Metal Manufacturing331524 | 20-99 | ◇ UNVERIFIED |
| SDSouthern Designs & Gifts | Vidalia | LA | Paper Manufacturing322219 | 20-99 | ◇ UNVERIFIED |
| SLSouthern Lithoplate Incorporated | Youngsville | NC | Printing and Related Support Activities323110 | 20-99 | ◇ UNVERIFIED |
| SCSouthwest Compressor Pumping and Packages INC | Cedar Bluff | VA | Machinery Manufacturing333131 | 20-99 | ◇ UNVERIFIED |
| SMSouthwest Moulding | Sun Valley | CA | Wood Product Manufacturing321918 | 20-99 | ◇ UNVERIFIED |
| SLSouthwood Lumber & Pallet INC | Orrville | OH | Wood Product Manufacturing321920 | 20-99 | ◇ UNVERIFIED |
| SESparton Enterprises LLC | Norton | OH | Plastics and Rubber Products Manufacturing326299 | 20-99 | ◇ UNVERIFIED |
| SLSpeciality Lifting Equipment | Edmore | MI | Machinery Manufacturing333924 | 20-99 | ◇ UNVERIFIED |
| SMSpecial-t Manufacturing | Meadowview | VA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◇ UNVERIFIED |
| SPSpecialty Products | Lakewood | WA | Chemical Manufacturing325211 | 20-99 | ◇ UNVERIFIED |
| SWSpecified Woodworking Corporation | Laurel | MD | Wood Product Manufacturing321918 | 20-99 | ◇ UNVERIFIED |
| SCSpectro Coating CORP | Leominster | MA | Textile Mills313312 | 20-99 | ◇ UNVERIFIED |
| SLSpongelle LLC | Inglewood | CA | Chemical Manufacturing325611 | 20-99 | ◇ UNVERIFIED |
| SRSport Redi Mix | Champaign | IL | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◇ UNVERIFIED |
| SSSportsman Steel Safes | Long Beach | CA | Fabricated Metal Product Manufacturing332323 | 20-99 | ◇ UNVERIFIED |
| SMSports Molding INC. | Clearfield | UT | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◇ UNVERIFIED |
| SASpray Art Finishers | Escondido | CA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◇ UNVERIFIED |
| SRSpringville Ready Mix Company | Springville | IA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◇ UNVERIFIED |
| STSpruiell Truss, INC. | Sulligent | AL | Wood Product Manufacturing321214 | 20-99 | ◇ UNVERIFIED |
| SISrp Industries LLC | Akron | OH | Plastics and Rubber Products Manufacturing326299 | 20-99 | ◇ UNVERIFIED |
| SSS & S Carbide Tool INC | Spring Valley | CA | Machinery Manufacturing333514 | 20-99 | ◇ UNVERIFIED |
| SYStabbert Yacht and Ship LLC | Seattle | WA | Transportation Equipment Manufacturing336611 | 20-99 | ◇ UNVERIFIED |
| SPStabile Plating | Covina | CA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◇ UNVERIFIED |
| SDStabiltec Downhole Tools | Parks | LA | Machinery Manufacturing333132 | 20-99 | ◇ UNVERIFIED |
| SBStandley Batch Systems INC | Cape Girardeau | MO | Fabricated Metal Product Manufacturing332420 | 20-99 | ◇ UNVERIFIED |
| SHStanfill Hardwood Lumber Company, INC. | Culleoka | TN | Wood Product Manufacturing321113 | 20-99 | ◇ UNVERIFIED |
| SIStanley Industries INC | Warrensville Hts | OH | Fabricated Metal Product Manufacturing332710 | 20-99 | ◇ UNVERIFIED |
| SPStephenson Printing INC | Alexandria | VA | Printing and Related Support Activities323110 | 20-99 | ◇ UNVERIFIED |
| SPStephens Paper CO. | Stephens | AR | Paper Manufacturing322121 | 20-99 | ◇ UNVERIFIED |
| SISterisil INC | Palmer Lake | CO | Chemical Manufacturing325320 | 20-99 | ◇ UNVERIFIED |
| SRSteve Reiff Incorporated | South Whitley | IN | Fabricated Metal Product Manufacturing332812 | 20-99 | ◇ UNVERIFIED |
| SIStone Interiors LLC | Loxley | AL | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◇ UNVERIFIED |
| SSSuburban Steel Supply Company LLC | Gahanna | OH | Fabricated Metal Product Manufacturing332312 | 20-99 | ◇ UNVERIFIED |
| SPSuffern Plating | Lodi | NJ | Fabricated Metal Product Manufacturing332813 | 20-99 | ◇ UNVERIFIED |
| SSSugar Services LLC | Memphis | TN | Food Manufacturing311312 | 20-99 | ◇ UNVERIFIED |
| SSSummit Steel Castings LLC | Barberton | OH | Primary Metal Manufacturing331513 | 20-99 | ◇ UNVERIFIED |
| SFSunbelt Fabricator | Steele | AL | Fabricated Metal Product Manufacturing332313 | 20-99 | ◇ UNVERIFIED |
| SDSunbrite Dye CO | Passaic | NJ | Textile Mills313311 | 20-99 | ◇ UNVERIFIED |
| SISunco INC | South Easton | MA | Wood Product Manufacturing321219 | 20-99 | ◇ UNVERIFIED |
