Mason CORP
1049 N Route US 41, P. O. Box 38, Schererville, IN 46375
Operating signal within 12 months from two or more independent sources.
What they make
Other Basic Inorganic Chemical Manufacturing325180- anhydrous
- solution
- components
- reagents
- intermediates
- reducing agents
- catalysts
- plating
- electronics
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Acs Technical Products, INC. | Griffith | Other Basic Organic Chemical Manufacturing 325191 | ACTIVE | 4.8 KM |
| Halox Division of Icl Specialty Products INC | Hammond | Other Basic Inorganic Chemical Manufacturing 325180 | LIKELY ACTIVE | 10.1 KM |
| ICL Halox Plant | Hammond | Other Basic Inorganic Chemical Manufacturing 325180 | LIKELY ACTIVE | 10.1 KM |
| Hammond Lead Products Halox Hammond Expanders Divisions | Hammond | Synthetic Dye and Pigment Manufacturing 325131 | LIKELY ACTIVE | 10.2 KM |
| Hammond Lead Products - Hammond Plant | Hammond | Other Basic Inorganic Chemical Manufacturing 325180 | LIKELY ACTIVE | 10.2 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
6 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 AIR, AIRS/AFS, ICIS, IN-FRS, IN-TEMPO, NCDB, TRIS, TSCA · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- EPA Facility Registry ServiceEXISTENCERecord 110000592190 · first seen JUN 2026 · last seen JUN 2026
- SAM.gov entity registrationOPERATINGRecord LKL2VBDQGLD7 · first seen DEC 2025 · last seen JAN 2026
- OSHA injury and illness reportsOPERATINGRecord 291312 · first seen DEC 2025 · last seen DEC 2025
- EPA Toxics Release InventoryOPERATINGfirst seen DEC 2024 · last seen DEC 2024
- SBA Paycheck Protection Program loan recordsEXISTENCERecord IN|schererville|1049 us hwy 41 po box 38 0 0 · first seen APR 2020 · last seen FEB 2021
ALSO RECORDED ASMASON CORPORATION
IN LAKE COUNTY30 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 14 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: MASON CORP · JUL 2026 · ON THIS PAGE
- SAM.gov: MASON CORP · DEC 2025 · ON THIS PAGE
- Street addressSOURCES DISAGREE
- EPA: 1049 US-41 · JUL 2026
- SAM.gov: 1049 N ROUTE US 41 · DEC 2025 · ON THIS PAGE
- City
- EPA: SCHERERVILLE · JUL 2026 · ON THIS PAGE
- SAM.gov: SCHERERVILLE · DEC 2025 · ON THIS PAGE
- State
- EPA: IN · JUL 2026 · ON THIS PAGE
- SAM.gov: IN · DEC 2025 · ON THIS PAGE
- County (FIPS code)
- EPA: 18089 · SEP 2026
- Coordinates
- EPA: 41.50376,-87.47113 · JUL 2026
- Employees (band)
- OSHA: 20-99 · DEC 2025
- Website
- SAM.gov: www.tinchemical.com · DEC 2025
- CAGE code
- SAM.gov: 1LWM5 · DEC 2025
- PPP loan
- SBA PPP: PPP loan x1, approved 2020-04-09, 42 jobs reported · APR 2020
- SAM registration expires
- SAM.gov: 2026-12-29 · DEC 2025