T&S Brass has set the standards in plumbing for over 50 years; is among the first commercial plumbing manufacturers to be registered by UL to ISO 9001:2000 certification, the most stringent certification received by a corporation. Our castings are heavier commercial grade for quality and durability you can see and feel. Every product is inspected, not just a random sampling. And they are made with pride in the USA. We have the quality you can count on.