Alicat Scientific is the fastest flow controller company in the world. We design and manufacture mass flow and pressure instr ... umentation that is tailored to each application requirement in order to get solutions into the hands of our customers as quickly as possible. Alicat flow and pressure instruments are routinely used in a variety of industries including scientific research and development for universities, aerospace and air sampling, manufacturing, and process control for the automotive and pharmaceutical industries. We proudly manufacture all of our gas mass flow, liquid flow and pressure instruments in Tucson, Arizona. Alicat is an ISO 9001:2008 company. read more