FactoryRegistry

Manufacturing in St. Tammany County, Louisiana

As of JUL 2026, FactoryRegistry lists 108 manufacturing facilities in St. Tammany County, Louisiana, sourced from EPA, OSHA and Census records.

FACILITIES
108
CITIES
10
TOP INDUSTRY
Fabricated Metal Product Manufacturing
27 facilities

Cities

Slidell (38)Covington (21)Mandeville (11)Pearl River (11)Lacombe (4)Abita Springs (4)Covington (4)Madisonville (4)Slidell (2)Bush (2)

Top industries

Fabricated Metal Product Manufacturing (27)Machinery Manufacturing (13)Nonmetallic Mineral Product Manufacturing (12)Miscellaneous Manufacturing (10)Transportation Equipment Manufacturing (10)Chemical Manufacturing (6)

Facilities

Techcrane International LLC
Covington, LA
ACTIVE333923EMP 20-99
Textron Systems CORP
Slidell, LA
ACTIVE336611EMP 500+
Thomas Pump & Machinery INC
Slidell, LA
ACTIVE333911EMP 20-99
Horsburgh & Scott Slidell
Slidell, LA
LIKELY ACTIVE333612EMP 20-99
Newton Boats, INC.
Slidell, LA
LIKELY ACTIVE336612
Parish Concrete, LLC
Mandeville, LA
LIKELY ACTIVE327320EMP 20-99
1st Stop Transport LLC
Slidell, LA
LIKELY ACTIVE336999
A6 Group LLC
Pearl River, LA
LIKELY ACTIVE334111
Alliance Laser INC
Slidell, LA
LIKELY ACTIVE332710
Allpax, LLC
Covington, LA
LIKELY ACTIVE333993EMP 20-99
Allpax Products LLC
Covington, LA
LIKELY ACTIVE333241
Backyard Products, LLC (Branch 83)
Slidell, LA
LIKELY ACTIVE321992EMP 1-19
Boh Environmental, L.l.c.
Covington, LA
LIKELY ACTIVE332439
BO-MAC - Eastern Operations
Louisiana, LA
LIKELY ACTIVE332312EMP 20-99
Burchfield Automation, L.l.c.
Slidell, LA
LIKELY ACTIVE334511
Casey Civil, L.l.c.
Slidell, LA
LIKELY ACTIVE332311
Checkpoint Group INC
Mandeville, LA
LIKELY ACTIVE333996
Coastal Orthotics and Prosthetics, LLC
Mandeville, LA
LIKELY ACTIVE339113
Cpi Services LLC
Covington, LA
LIKELY ACTIVE332999
Creole Iron Welding LLC
Slidell, LA
LIKELY ACTIVE332323
DFS Madisonville Plant
Madisonville, LA
LIKELY ACTIVE311412EMP 100-499
Digital Ink LLC Dba Sign Lite
Slidell, LA
LIKELY ACTIVE339950EMP 20-99
Dorion Equipment Sales, INC.
Slidell, LA
LIKELY ACTIVE333923
Dr. Gumbo's New Orleans Cuisine, INC
Mandeville, LA
LIKELY ACTIVE311412
Global Fabrication Ii, L.l.c.
Lacombe, LA
LIKELY ACTIVE332312
Halk Marine Fabrication & Design LLC
Covington, LA
LIKELY ACTIVE336611
Hanger Prosthetics & Orthotics, INC.
Slidell, LA
LIKELY ACTIVE339113
It Straps On, INC
Covington, LA
LIKELY ACTIVE332999
Judy a Calloway
Slidell, LA
LIKELY ACTIVE327390
Kaizer Pfister Ventures, LLC
Madisonville, LA
LIKELY ACTIVE339999
Machdrop LLC
Covington, LA
LIKELY ACTIVE336414
Marz Inspection & Consulting Services LLC
Mandeville, LA
LIKELY ACTIVE339999
Mechelen LLC
Covington, LA
LIKELY ACTIVE332710
Modern Engineered Products, INC.
Abita Springs, LA
LIKELY ACTIVE334513
MSI Express - Lacombe
Lacombe, LA
LIKELY ACTIVE326199EMP 20-99
MSYP Pavestone
Lacombe, LA
LIKELY ACTIVE327331EMP 20-99
National Oilwell Varco-Covington LA
Covington, LA
LIKELY ACTIVE333132EMP 1-19
Nds Sales, LLC
Mandeville, LA
LIKELY ACTIVE333413
Nelson M.c.t. - South, INC
Lacombe, LA
LIKELY ACTIVE332999
Northshore
Covington, LA
LIKELY ACTIVE335121EMP 20-99
Northshore Sales Location
Madisonville, LA
LIKELY ACTIVE311920EMP 20-99
Patrick Fabricating and Welding, Inc.
Abita Springs, LA
LIKELY ACTIVE332313EMP 20-99
Pelican Orthotics and Prosthetics LLC
Covington, LA
LIKELY ACTIVE339113
Rtd Beverages
Covington, LA
LIKELY ACTIVE312112EMP 1-19
Shopperella, LLC
Covington, LA
LIKELY ACTIVE339930
Sii LLC
Slidell, LA
LIKELY ACTIVE332999
Solubiomix, LLC
Madisonville, LA
LIKELY ACTIVE325412
Southern Iot LLC
Pearl River, LA
LIKELY ACTIVE335313
Stomasured LLC
Pearl River, LA
LIKELY ACTIVE339113
Sunbelt Innovative Plastics LLC
Slidell, LA
LIKELY ACTIVE335932EMP 20-99