The use or listing of items, brand names, businesses, or individual names in this document does not indicate an endorsement by the authors of this handout, the Grainger & Sunn principals, Comal Trinity Groundwater Conservation District, Master Gardeners, the Texas A&M Agrilife Center, or any other entity. Listings in this document are presented to help you locate vendors for bids or pricing for their respective products or services; the listing does not necessarily reflect the recommendations of any entity. To have your business or service added to this list contact Dr. Sunn at Texsunn@gmail.com