EPA Air · by state and industry
Nonmetallic mineral product manufacturing (NAICS 3279) air sources in Indiana
- 13Facilities
Permitted air-emissions sources in Indiana whose primary industry code is NAICS 3279. A facility filing more than one industry code is counted under the first one on its record, so a plant with several lines appears once, under the line EPA lists first.
Inspections of nonmetallic mineral product manufacturing (naics 3279) in Indiana, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2025 — inspections 5
- 2024 — inspections 3
- 2023 — inspections 5
- 2021 — inspections 4
- 2019 — inspections 4
- 2018 — inspections 3
- 2017 — inspections 5
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ARCTIC MINERALS LLC | Minor source | No |
| INDIANA LIMESTONE ACQUISTION LLC DBA IND | Minor source | No |
| ISOA LLC DBA INSULATION SPECIALTIES OF AMERICA | Synthetic minor source | No |
| JOHNS MANVILLE INCORPORATED | Major source | No |
| KNAUF INSULATION INCORPORATED | Major source | Yes |
| METALLURGICAL PROCESS MATERIALS LLC | Synthetic minor source | No |
| OPTA- KINGSBURY | Synthetic minor source | No |
| OZINGA CEMENT INCORPORATED CONTRACTOR OF CLEVELAND-CLIFFS BU | Major source | No |
| REED MINERALS LLC | Synthetic minor source | No |
| RETEK ENGINEERING SOLUTIONS LLC DBA ANCO PRODUCTS | Major source | No |
| STAFFORD GRAVEL INCORPORATED | Synthetic minor source | No |
| UNIFRAX I LLC | Synthetic minor source | No |
| USMPC BUYER INC DBA ISOLATEK INTERNATIONAL | Major source | No |
Primary NAICS code as filed on the facility record. Figures from EPA’s ICIS-AIR download.