A-One Group Ltd. is a full service union masonry contractor serving the following counties in Illinois, Indiana and Wisconsin.


Illinois – Cook, Du Page, Grundy, Kane, Kendall, Lake, McHenry, Will.
Wisconsin - Kenosha, Southern Milwaukee, Racine, Southern Waukesha, Walworth. Indiana - Lake County.

We specializing in commercial, industrial and institutional structures. We install masonry material of all types including: brick, concrete brick products, CMU, architectural block, glass block, natural stone, synthetic stone, cast stone, and calcium silicate units. Our crews are equipped with the latest and most efficient masonry equipment available, such as Bennu hydraulic scaffolding, hydraulic mortar mixers, grout pumps, grout hogs and rough terrain lift trucks thus ensuring projects are successfully completed in a timely manner.

By integrating our extensive masonry experience and up-to-date estimating software, A-One Group Ltd. consistently provides clients with detailed and accurate estimates. An Optional 3D rendering of our takeoffs provides a greater scope of work and eliminates potential oversights during the estimating process.