TMI Landscape Materials supplies rock and mulch to landscaping contractors and homeowners in Riverview, Brandon, and Tampa. Many of our Gravel, rock, sand and mulch products are offered both in bag and bulk. Our landscape products range from fill dirt, red clay and potting soil to red cypress mulch, pine bark and pine straw. Sitemap two three. From pebbles and gravel to large decorative boulders, we have the stone you need. Convenient to Balm, Lithia, Apollo Beach and all of East Hillsborough. Check out our selection of screened sand for your landscaping needs. Buy rocks for waterfalls and ponds. Ask us about delivery. Decorative rock such as brown & white river rock, red rock, and lava rock can enhance the curb appeal of your home. We offer landscaping material delivery. Florida Home owners and Landscaping contractors need a reliable supplier for landscaping materials.