Sem Materials, INC.
2500 Refinery Road, Ardmore, OK 73401
UNVERIFIEDLAST SEEN IN FEDERAL DATA MAR 2011 · 2 SOURCES
Present in a source dataset, with no recent operating signal.
What they make
Asphalt Paving Mixture and Block Manufacturing324121Where it is
34.20148, -97.11678 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Ergon Asphalt and Emulsions INC / Ardmore Ok Facility | Ardmore | Asphalt Paving Mixture and Block Manufacturing 324121 | UNVERIFIED | 0.0 KM |
| Valero Ardmore Refinery | Ardmore | Petroleum Refineries 324110 | LIKELY ACTIVE | 0.5 KM |
| Ardmore Refinery | Ardmore | Petroleum Refineries 324110 | LIKELY ACTIVE | 1.3 KM |
| Ardmore Roofing Plt | Ardmore | Asphalt Shingle and Coating Materials Manufacturing 324122 | UNVERIFIED | 2.0 KM |
| Overland Materials & Manufacturing | Ardmore | Asphalt Paving Mixture and Block Manufacturing 324121 | LIKELY ACTIVE | 3.3 KM |
Also at this address
More than one federal record exists for this street address. The primary record for the site is listed first.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 6 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in ICIS, RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA FRS | EXISTENCE | OCT 2016 | OCT 2016 |
| EPA ECHO | OPERATING | MAR 2011 | MAR 2011 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| RCRA GENERATOR STATUS | EPA ECHO | AUG 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.