| NBNiagara Bottling LLC | Byhalia | MS | Beverage and Tobacco Product Manufacturing312111 | — | ◐ LIKELY ACTIVE |
| NLNorth Lamar Concrete INC | Sumrall | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| OWOlin Winchester, LLC | Oxford | MS | Fabricated Metal Product Manufacturing332992 | — | ◐ LIKELY ACTIVE |
| OHOwls Head Alloys | West Point | MS | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| OGOxbow Greenwood, LLC | Greenwood | MS | Food Manufacturing311224 | — | ◐ LIKELY ACTIVE |
| OSOxford Sand Company Inc, Pontotoc Plant | Pontotoc | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
Patrick Industries INC Dba Baymont Inc, Belmont Facility | Belmont | MS | Plastics and Rubber Products Manufacturing326191 | — | ◐ LIKELY ACTIVE |
| PFPeco Foods Inc.- Canton West Fulton Street Processing | Canton | MS | Food Manufacturing311615 | 500+ | ◐ LIKELY ACTIVE |
| PFPeco Foods Inc. Sebastopol Processing | Sebastopol | MS | Food Manufacturing311615 | 500+ | ◐ LIKELY ACTIVE |
| PFPeco Foods of Mississippi INC . | Canton | MS | Food Manufacturing311119 | — | ◐ LIKELY ACTIVE |
PG Technologies - Ellisville, MS | Ellisville | MS | Fabricated Metal Product Manufacturing332811 | 100-499 | ◐ LIKELY ACTIVE |
| PBPine Belt Processing INC | Stonewall | MS | Textile Mills313310 | — | ◐ LIKELY ACTIVE |
| PUPlumrose USA INC | Booneville | MS | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
Point Eight Power BSL | Bay Saint Louis | MS | Electrical Equipment, Appliance & Component Manufacturing335313 | 20-99 | ◐ LIKELY ACTIVE |
| PSPontotoc Spring | Pontotoc | MS | Fabricated Metal Product Manufacturing332613 | 20-99 | ◐ LIKELY ACTIVE |
| PWPremium Waters Byram | Byram | MS | Beverage and Tobacco Product Manufacturing312112 | 20-99 | ◐ LIKELY ACTIVE |
| PPProfile Products LLC | Blue Mountain | MS | Nonmetallic Mineral Product Manufacturing327121 | — | ◐ LIKELY ACTIVE |
| QRQueen's Reward Meadery, LLC | Tupelo | MS | Beverage and Tobacco Product Manufacturing312130 | 1-19 | ◐ LIKELY ACTIVE |
| RAR a Lesso Seafood INC | Biloxi | MS | Food Manufacturing311712 | — | ◐ LIKELY ACTIVE |
| RSRelativity Space INC | John C Stennis Space Center | MS | Transportation Equipment Manufacturing336414 | — | ◐ LIKELY ACTIVE |
| RLRheogistics LLC | Picayune | MS | Petroleum and Coal Products Manufacturing324199 | 20-99 | ◐ LIKELY ACTIVE |
| RTRichton Tie and Timber Llc, Newton Woodyard | Newton | MS | Wood Product Manufacturing321113 | — | ◐ LIKELY ACTIVE |
| RIRockett INC | Flowood | MS | Fabricated Metal Product Manufacturing332116 | — | ◐ LIKELY ACTIVE |
| RRRolls Royce North America, Rolls Royce Center of Excellence | Stennis Space Center | MS | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| SDSaltillo Division of B and B Concrete Company INC | Saltillo | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SHSandy Hook Machine Shop, INC | Sandy Hook | MS | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SDScott Davis Chip Company | Amory | MS | Wood Product Manufacturing321999 | — | ◐ LIKELY ACTIVE |
| STSenter Transit Mix Division of Concrete Industries INC | Tupelo | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SASipcam Argo Solutions, LLC | Shubuta | MS | Chemical Manufacturing325320 | — | ◐ LIKELY ACTIVE |
| SSmith+Griffin | Byhalia | MS | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| SGSolar Group Inc, Plant Number 2 | Taylorsville | MS | Wood Product Manufacturing321918 | — | ◐ LIKELY ACTIVE |
| SCSoutheastern Concrete Company Inc, Plant Number 5 | Hattiesburg | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SPSouthern Packaging Inc Woodville MS | Woodville | MS | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| SRSouthland Ready Mix Inc, Blue Mountain Facility | Blue Mountain | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SRSouthland Ready Mix Inc, Corinth Facility | Corinth | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SMSouthwark Metal Mississippi Division | Southaven | MS | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| SBSpeed Box, LLC | Ridgeland | MS | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| SDSteel Dynamics, Inc. - Biocarbon Solutions | Columbus | MS | Electrical Equipment, Appliance & Component Manufacturing335991 | 20-99 | ◐ LIKELY ACTIVE |
| SMSteve Mcminn Dba Smokehouse Meats | Pontotoc | MS | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| STSt Tammany Box Company | Picayune | MS | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| SMSuitor Meat Co., Inc. | Rienzi | MS | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| SPSun-air Products Inc | Belmont | MS | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| SMSunshine Mills Tupelo, MS | Tupelo | MS | Food Manufacturing311111 | 100-499 | ◐ LIKELY ACTIVE |
| SMSyntron Material Handling | Saltillo | MS | Machinery Manufacturing333131 | 100-499 | ◐ LIKELY ACTIVE |
| TETaber Extrusions, LLC | Gulfport | MS | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| TLTaylor Logistics | Louisville | MS | Machinery Manufacturing333924 | — | ◐ LIKELY ACTIVE |
| THThe Headrick Companines, Inc. | Laurel | MS | Miscellaneous Manufacturing339950 | 100-499 | ◐ LIKELY ACTIVE |
| TPTimber Products Mississippi | Corinth | MS | Wood Product Manufacturing321211 | 20-99 | ◐ LIKELY ACTIVE |
| TLT & LT Tamales, LLC | Flora | MS | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| TCTownes Construction Company INC | Grenada | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |