Welcome to Engineered Concrete Products, LLC.

Rapid City's Premier Precast Concrete Supplier.

Precast Concrete Products

Septic Tanks - Cisterns - Separators

1,000 and 3,000 Gallon Septic Tanks

1,200 and 3,500 Cisterns 

1,000, and 1,500 Oil-Water-Sand Separators

Drawings

Heavy Duty Vaults

Electrical

Pump and Valve 

Storm Water Inlets and Junction Boxes - Standard DOT and Custom Sizes

Larger Engineer Tanks for Septic, Cisterns, or Oil-Water-Sand Separators.

Box Culverts

Custom Sizing

Flared End Sections

Three Sided

Skewed

Projects & Drawings

Precast Concrete Building Panels

Insulated and Non-Insulated

4' to 32' in Height

4' to 14' in Width


Projects & Drawings

Inlets and Junction Boxes

Type B

Type C

Type S

Junction Boxes

Covers and Adjustment Rings

Projects and Drawings

About Us

Vision

  Become an industry leader in the precast concrete market through customer satisfaction and owner loyalty.  

Mission Statement

Manufacture precast concrete products that provide engineering solutions, improved constructability, at a competitive price.

Leadership Team

David Hoffman

David has spent 18 years in the concrete industry.  The last 10 years has been in precast concrete market developing and managing processes to build awarding precast products.  David has a B.S., Mechanical Engineering, SD School of Mines and Technology.  

William Huber

William has been in and around the construction industry for the past 31 years, managing and developing construction processes and products.  William has a B.S., Civil Engineering, SD School of Mines and Technology.   

Contact Us

Get a Quote

William Huber

Sales/Management

605-415-8877

william@ecpcompany.com


David Hoffman

Production/Management

605-430-8449

david@ecpcompany.com


Engineered Concrete Products, LLC.

PO Box 1278 Rapid City, SD 57709 or 3335 Seger Drive, Rapid City, SD 57701

Hours