Ash grove cement company

Lots of info on cement production, types of cement, and a very good data base of used concrete equipment. You can also list equipment for sale for free!!!!


National Ready Mix Association

They have a great information packet called Concrete in Practice in the Concrete Basics Menu, along with lots of other useful info.

South dakota ready mix concrete association



South Dakota DOT

Our friends in the brown uniforms!!! The latest and greatest laws on SD rules governing motor carrier operations. Concrete surfacing specs, Standard Specifications for Roads & Bridges, and truckers info.


This company offers ACI certification testing for the concrete industry





Contractors will love this site to buy and sell used equipment.  Click on this link and you will jump directly to the contractors home page.

Online auctions

Live bidding on auctions all over the nation. Very easy to sign up and use!!





Very easy to use, you can find any machine you are looking for and find out what your stuff is worth.  They can search an auction data base to see what machines have sold for in the past. You spend hours on this site.


Rock and

Another great equipment search engine


JLC Online

The leading online information source for builders and remodelers.  Search their archives for anything under the sun related to contractors.