Family owned and operated since 1979, Marquest Scientific’s roots in ThermoPlastic injection molding of corrosion resistant and high purity plastics began in the late 1950s, when our founder brought over the first reciprocating screw type injection molding machine to the USA from Ankerwerk, a company based out of Nurnberg, Germany. It was this machine that solved the problem of molding highly rigid PVC industrial parts and gave our founder the confidence to mold the industrys first all plastic ball valve in 1964. This spirit of innovation and expertise is what drives our company today.

Our RedBook quality program provides both daily and weekly product evaluations to ensure that our product evolves and is currently meeting the most demanding industry applications. A sample of some of our industry leading products include: Throttle Master™ Needle Valves, Tuff Guard™ Gauge Isolators, and the Series LG/LT Laboratory Fixture line, available in PVC, CPVC, Polypro, & PVDF. As a compliment to our proprietary product offering, Marquest provides Custom Product Development and Manufacturing for a number of well known, leading companies in our industry. We have over 70 years of combined experience in corrosive and high purity fluidics, which gives us an invaluable edge in bringing your product idea from product concept to full production, whether it be an Injection Molded or CNC Machined custom plastic product. Our family atmosphere, design experience, and local manufacturing infrastructure eliminates the costs associated with outsourcing overseas and inadequate product design acumen which is required to develop a high quality, precise, well functioning flow control or fluid handling product. So contact us today, and let us provide a quality flow solution that exceeds your expectations. We are here to help!

Marquest Scientific

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Marquest Scientific

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