Female owned fitness supply store opens in Grand Rapids and last updated 2021-04-22 12:36:01-04 GRAND RAPIDS, Mich. â People have been busy doing home renovations during the pandemic, and one of the more popular spaces to expand was a home gym, but equipment was nearly impossible to get and prices were spiking. Now one woman here in Grand Rapids is hoping to help with Trio Fitness Supply, a new business launched by Katrina Goei to meet your needs. âWith the global pandemic, there's been an uprise and people putting a little bit more focus on their health and fitness,â says Katrina Goei, Owner of Trio Fitness Supply.