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Manufacturing in St. Tammany County, Louisiana

The register lists 133 facilities in St. Tammany, Louisiana. The Bureau of Labor Statistics counted 219 establishments in St. Tammany in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and benchmark

Biggest cities

Federal labor statistics counted at least 219 manufacturing establishments in St. Tammany County in 2025, employing about 2,443 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 133, about 61% of that figure.

Facilities84 FACILITIES

Listing 84 of 133: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityIndustryNAICSEmployeesStatus
Gulf State Marble INCSlidellPlastics and Rubber Products Manufacturing326191— UNVERIFIED
Gulf States Marble INCSlidellWood Product Manufacturing321920— UNVERIFIED
Harris Rebar Nufab LLC - Ambassador Steel CORPSlidellPrimary Metal Manufacturing331221— UNVERIFIED
Kik- Louisiana INCSlidellChemical Manufacturing325611— UNVERIFIED
Lafarge Covington RmxAbita SpringsNonmetallic Mineral Product Manufacturing327320— UNVERIFIED
Lafarge Mid Atlantic Slidell RmxSlidellNonmetallic Mineral Product Manufacturing327320— UNVERIFIED
Leon Lowe & Sons INC - Asphalt PlantPearl RiverPetroleum and Coal Products Manufacturing324121— UNVERIFIED
Luxury CountertopsPearl RiverFurniture and Related Product Manufacturing337110— UNVERIFIED
Mackenzie Transition LLC - Mackenzie CompanyBushChemical Manufacturing325199— UNVERIFIED
National Oilwell Varco LP - Nov Rig Systems - Covington FacilityCovingtonMachinery Manufacturing333298— UNVERIFIED
Northshore Marine Sales & Services INCMandevillePaper Manufacturing322219— UNVERIFIED
Polychemie INC. Pearl River PlantPearl RiverChemical Manufacturing325000— UNVERIFIED
Standard Materials-Pearl RiverNonmetallic Mineral Product Manufacturing327320— UNVERIFIED
Stranco INCAbita SpringsTransportation Equipment Manufacturing336212— UNVERIFIED
Allpax, LLCCovingtonMachinery Manufacturing33399320–99 LIKELY ACTIVE
Backyard Products, LLC (Branch 83)SlidellWood Product Manufacturing3219921–19 LIKELY ACTIVE
BO-MAC - Eastern OperationsLouisianaFabricated Metal Product Manufacturing33231220–99 LIKELY ACTIVE
DFS Madisonville PlantMadisonvilleFood Manufacturing311412100–499 LIKELY ACTIVE
Mechelen LLCCovingtonFabricated Metal Product Manufacturing332710— LIKELY ACTIVE
MSI Express - LacombeLacombePlastics and Rubber Products Manufacturing32619920–99 LIKELY ACTIVE
National Oilwell Varco-Covington LACovingtonMachinery Manufacturing3331321–19 LIKELY ACTIVE
Northshore Sales LocationMadisonvilleFood Manufacturing31192020–99 LIKELY ACTIVE
Rtd BeveragesCovingtonBeverage and Tobacco Product Manufacturing3121121–19 LIKELY ACTIVE
Sunbelt Innovative Plastics LLCSlidellElectrical Equipment, Appliance & Component Manufacturing33593220–99 LIKELY ACTIVE
Trulite Dependable, LLCCovingtonNonmetallic Mineral Product Manufacturing32721520–99 LIKELY ACTIVE
Woodward Design Build Millwork GroupGoodbeeFurniture and Related Product Manufacturing33721220–99 LIKELY ACTIVE
Cpi Services LLCCovingtonFabricated Metal Product Manufacturing332999— LIKELY ACTIVE
60 Minute Photo Lab LTDMandevillePaper Manufacturing3222191–19 UNVERIFIED
73480 Gallardo Investments L.L.C.CovingtonMiscellaneous Manufacturing3399501–19 UNVERIFIED
Acadian Millwork & Supply, INC.CovingtonWood Product Manufacturing32191120–99 UNVERIFIED
American Gear & Machinery Rebuilders, LLCBushMachinery Manufacturing3336121–19 UNVERIFIED
Darbyfam, LLCSlidellFood Manufacturing3118111–19 UNVERIFIED
Orleans Casket CompanyMandevilleWood Product Manufacturing3219991–19 UNVERIFIED
Talley Iron Works, LLCPearl RiverFabricated Metal Product Manufacturing3323121–19 UNVERIFIED

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