Walker Group Holdings, Inc announced they are closing their Progress Tank manufacturing plant in Arthur, Illinois in July, 2009.

Brenner Tank wins 2008 Wisconsin Manufacturer of the Year Award.

Walker Group Holdings LLC purchases Mexico based Bulk Tank International.

Extract Technology and Walker Barrier Systems announce US fabrication of downflow booths for North America and Puerto Rico.

Walker Group Holdings LLC of New Lisbon, Wisconsin, is pleased to announce today the completion of two major acquisitions as it expands in the transportation industry.

The private investment firm Insight Equity acquired the Walker Group, including Walker Transportation, Walker Equipment, CPS Barrier and CPS Extract.