Facility	City	Industry	Status	Distance
South Shore Slag LLC - Contractor of Uss Gary Works (00121)	Gary	Ground or Treated Mineral and Earth Manufacturing 327992	LIKELY ACTIVE	1.3 KM
Sms Group Incorporated	Gary	Ground or Treated Mineral and Earth Manufacturing 327992	UNVERIFIED	1.4 KM
Oil Technology, Inc./u.s. Steel Gary	Gary	All Other Petroleum and Coal Products Manufacturing 324199	LIKELY ACTIVE	2.2 KM
Harsco - Reed Minerals Division	Gary	Ground or Treated Mineral and Earth Manufacturing 327992	UNVERIFIED	7.3 KM
Reed Minerals, LLC	Gary	Abrasive Product Manufacturing 327910	ACTIVE	7.5 KM

Every listed plant in Lake County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 6 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 EIS · EPA site type STATIONARY.

EPA Facility Registry ServiceEXISTENCE
Record 110038064331 · first seen JUN 2017 · last seen JUN 2017

IN LAKE COUNTY11 other plants share this one’s industry (Other Nonmetallic Mineral Product Manufacturing, NAICS 3279); 1 of them has 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: HERITAGE SLAG PRODUCTS, LLC (GARY) · OCT 2026
Street address: EPA: 3210 WATLING ST · OCT 2026
City: EPA: GARY · OCT 2026
State: EPA: IN · OCT 2026
County (FIPS code): EPA: 18089 · OCT 2026
Coordinates: EPA: 41.6086,-87.33754 · OCT 2026

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