Vanguard Catalyst, LLC is a joint venture of Unicat Catalyst Technologies, Inc. (Alvin, TX) and Advanced Catalyst Systems, LLC (Maryville, TN) for the production and marketing of PGM based hydrogenation and oxidation catalysts used in the refining and petrochemical industries. Vanguard Catalyst will supply a replacement-in-kind that’s delivered on time, within budget, with no surprises. Our standard products were designed to be a drop-in replacement for over 80% of the installed market. The physical and chemical characteristics were chosen to match the most common liquid phase hydrogenation and hydrocarbon oxidation catalysts in use today. At your request, we will look beyond replacement-in-kind for an improved catalyst formulation. Vanguard Catalyst helps you address opportunities and issues — by providing not just catalysts, but solutions to problems. At Vanguard Catalyst, our focus works to your advantage. Vanguard can deliver your replacement charge in as little as two weeks, with no surprises because: Raw Materials are in Stock. Tell us your reactor inventory and your future needs and we will match with our raw material inventory with your reactor inventory and replacement needs. Production on your replacement charge of catalyst starts when we receive your order. Located in Maryville, TN. Our manufacturing facility is located within 1200 miles of over 50% of the USA refining capacity and all of the USA Ethylene production. We are within a day’s drive of your site. Customer-centric, Value-driven. Vanguard Catalyst, LLC.