Swe INC

39478 Highway 190 E, Slidell, LA 70461

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 3 SOURCES

Operating signal within 12 months from two or more independent sources.

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Their homepage, crawled AUG 2026

What they make

All Other Miscellaneous Chemical Product and Preparation Manufacturing325998

chemical
industrial water treatment
cooling water treatment
closed loop systems
cleaning agents
automotive
TXMAS Information

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Products

Sold by SWE INC · 2

Industrial Boilers · Water Purification Equipment

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from

2 from usaspending_psc · Federal registry

Supplied under federal award 15B31626P00000010 (2025-10-01), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Where it is

30.26718, -89.74046 · CENSUS TIGER

COUNTY

St. Tammany County

METRO AREA

Slidell-Mandeville-Covington, LA

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Other plants nearby

Facility	City	Industry	Status	Distance
Polychemie INC	Pearlington	All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998	LIKELY ACTIVE	16.4 KM
Calgon Carbon Corporation	Bay St Louis	Other Basic Inorganic Chemical Manufacturing 325188	ACTIVE	17.5 KM
Apollo Petroleum	Picayune	All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998	LIKELY ACTIVE	27.2 KM
Heritage Plastics INC	Picayune	Custom Compounding of Purchased Resins 325991	LIKELY ACTIVE	28.0 KM
Mackenzie Transition LLC - Mackenzie Company	Bush	All Other Basic Organic Chemical Manufacturing 325199	UNVERIFIED	35.9 KM

Every listed plant in St. Tammany County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 11 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

The company’s own websiteOPERATING
first seen JUL 2026 · last seen OCT 2026
SAM.gov entity registrationOPERATING
Record NV5NXFP9SJJ9 · first seen AUG 2025 · last seen JUL 2026
SBA Paycheck Protection Program loan recordsEXISTENCE
Record LA|slidell|39478 hwy 190 · first seen APR 2020 · last seen APR 2020

IN ST. TAMMANY COUNTY1 other plant shares this one’s industry (Other Chemical Product and Preparation Manufacturing, NAICS 3259); 0 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name: SAM.gov: SWE INC · JUL 2026
Street address: SAM.gov: 39478 HIGHWAY 190 E · JUL 2026
City: SAM.gov: SLIDELL · JUL 2026
State: SAM.gov: LA · JUL 2026
Coordinates: Census geocoder: 30.267176789448,-89.740463154384 · JUL 2026
Employees (band): SBA PPP: 20-99 · APR 2020
Website: SAM.gov: http://www.southwestengineers.com · JUL 2026
CAGE code: SAM.gov: 05EJ2 · JUL 2026
PPP loan: SBA PPP: PPP loan x1, approved 2020-04-15, 48 jobs reported · APR 2020
SAM registration expires: SAM.gov: 2027-07-20 · JUL 2026
State business registration: MS SOS: SWE, Inc., registered with the Mississippi Secretary of State; Corporation; registered 2020-02-06; revoked · FEB 2020

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