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GRAND RAPIDS (WZZM) -- A local think tank that houses big companies like Steelcase, Meijer, Wolverine and Amway is expanding into another building.

GRid 70on Ionia will now be adding on by taking over the building next to it. GRid 70 brings together some of Grand Rapids biggest companies to come up with new design ideas.

When it first opened it was the first of its kind here in the state. The think tank comes up with solutions for common issues.

The sixstory buildingwill have afour floor expansion.PAC Limited is the first out-of-state company to come into the space.

More expansion will happen throughout the year as morecompanies join the think tank.