United Guardian INC
230, Marcus Boulevard, Hauppauge, NY 11788
Operating signal within 12 months from two or more independent sources.
What they make
Other Basic Inorganic Chemical Manufacturing325188- cosmetic ingredients
- pharmaceuticals
- medical lubricants
- natural ingredients
- formulations
- personal care
- oral care
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
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
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Poly Scientific | Bayshore | All Other Basic Organic Chemical Manufacturing 325199 | UNVERIFIED | 6.6 KM |
| Spectronics Corporation | Melville | Synthetic Dye and Pigment Manufacturing 325130 | ACTIVE | 17.1 KM |
| Airweld INC | Farmingdale | Industrial Gas Manufacturing 325120 | ACTIVE | 18.5 KM |
| Tangram Chemical LLC | Holtsville | Other Basic Inorganic Chemical Manufacturing 325180 | ACTIVE | 17.7 KM |
| General Welding Supply CORP | Westbury | Industrial Gas Manufacturing 325120 | ACTIVE | 26.6 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
5 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.
EPA cross-references this facility in BR, FIS, ICIS, NCDB, RCRAINFO · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord CN5YKE2XA4J5 · first seen NOV 2025 · last seen SEP 2026
- OSHA injury and illness reportsOPERATINGRecord 299763 · first seen DEC 2025 · last seen DEC 2025
- DOL Form 5500 retirement plan filingsOPERATINGRecord 111719724|NY|11788|230 marcus blvd · first seen DEC 2024 · last seen DEC 2024
- EPA Facility Registry ServiceEXISTENCERecord 110000877999 · first seen MAY 2015 · last seen MAY 2015
IN SUFFOLK COUNTY7 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 3 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
- EPA: UNITED-GUARDIAN INC · JUL 2026 · ON THIS PAGE
- SAM.gov: UNITED GUARDIAN INC · SEP 2026 · ON THIS PAGE
- Street addressSOURCES DISAGREE
- EPA: 230 MARCUS BLVD · JUL 2026
- SAM.gov: 230, MARCUS BOULEVARD · SEP 2026 · ON THIS PAGE
- City
- EPA: HAUPPAUGE · JUL 2026 · ON THIS PAGE
- SAM.gov: HAUPPAUGE · SEP 2026 · ON THIS PAGE
- State
- EPA: NY · JUL 2026 · ON THIS PAGE
- SAM.gov: NY · SEP 2026 · ON THIS PAGE
- County (FIPS code)
- EPA: 36103 · SEP 2026
- Coordinates
- EPA: 40.81693,-73.24739 · JUL 2026
- Employees (band)
- OSHA: 20-99 · DEC 2025
- Website
- SAM.gov: https://u-g.com/ · SEP 2026
- CAGE code
- SAM.gov: 01HE5 · SEP 2026
- Retirement plan filing (Form 5500)
- DOL: 26 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- SAM registration expires
- SAM.gov: 2027-09-16 · SEP 2026