Looking to build a home gym but space is tight? Stop by Simpsons Fitness Supply and take a look at our space saving garage gym packages. Get in a full workout and still be able to park your car in the garage, check out the prx performance racks. Lots of options to design you dream gym and just in time for the holidays. Don't wait until the end of the year to start your new years resolutions, get started now. We are a local family owned business in Arvada, buy local and save big on shipping. We have a large selection of exercise equipment including the following.