Stone Center and Showroom Visit Central Illinois' only stone center and showroom - centrally located just off I-74 - and you'll see Trinity Stone is more than just a set of books and catalogs. You can see real samples of our most popular sellers and walk our lot to find the perfect stone for your needs. Building on our vast collective knowledge of landscaping and building trades, our staff attends all seminars and formal training offered by our suppliers on a continuing basis as well as National Trade Shows. As industry leaders, we are not content with catalogs and samples! We travel to quarries and spend time with our suppliers. As such we are on a first name basis with our suppliers which ensures reliable product expertise and hassle-free product delivery.