Engineered Concrete Products LLC
14616 Wagner Ln, Rapid City, SD 57701
Operating signal within 12 months from two or more independent sources.
What they make
Other Concrete Product Manufacturing327390Engineered Concrete Products, LLC manufactures precast concrete products including septic tanks, cisterns, oil-water-sand separators, box culverts, precast wall panels, and storm water inlets and junction boxes. The company produces these products in various sizes and configurations, including insulated and non-insulated wall panels ranging from 4 to 32 feet in height. The products serve wastewater management, water storage, and drainage infrastructure applications.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Location not verified — this address could not be matched to Census TIGER, so the facility is not placed on the map.
Other plants nearby
No other listed facility within 40 km shares this one’s four-digit industry code, or this record has no coordinates to measure from.
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 4 FEDERAL SOURCES, 9 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.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | MAY 2026 | MAY 2026 |
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
| SBA LOANS | EXISTENCE | AUG 2022 | AUG 2022 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | MAY 2026 |
| CAGE CODE | SAM GOV | MAY 2026 |
| CITY | SAM GOV | MAY 2026 |
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| NAME | SAM GOV | MAY 2026 |
| REGISTRATION EXPIRATION | SAM GOV | MAY 2026 |
| SBA LOAN | SBA LOANS | AUG 2022 |
| STATE | SAM GOV | MAY 2026 |
| WEBSITE | SAM GOV | MAY 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


