Engineered Concrete Products LLC

What they make

• construction
• septic tanks
• cisterns
• separators
• box culverts
• precast concrete products
• inlets
• junction boxes
• wall panels

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

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 sources hold this plant, and 9 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.

• The company’s own websiteOPERATING
  first seen JUL 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record K3RCWL84P5K4 · first seen MAY 2026 · last seen AUG 2026
• OSHA injury and illness reportsOPERATING
  Record 1454441 · first seen DEC 2025 · last seen DEC 2025
• SBA 7(a) and 504 loan recordsEXISTENCE
  first seen AUG 2022 · last seen AUG 2022

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

SAM.gov: ENGINEERED CONCRETE PRODUCTS LLC · AUG 2026

Street address

SAM.gov: 14616 WAGNER LN · AUG 2026

City

SAM.gov: RAPID CITY · AUG 2026

State

SAM.gov: SD · AUG 2026

Employees (band)

OSHA: 20-99 · DEC 2025

Website

SAM.gov: http://www.ecpcompany.com · AUG 2026

CAGE code

SAM.gov: 8AR92 · AUG 2026

SAM registration expires

SAM.gov: 2027-08-04 · AUG 2026

SBA loans

SBA: 504 loan x1, jobs 25.0 · AUG 2022