Who we are

Frost Engineering Service Company is an engineering product integrator that has been in business since 1954. We provide application engineering solutions that utilize our manufacturer’s products to solve our customer’s problems. The “Engineering” in our name means we have Professional Engineers on staff to assist with those solutions. And, as the “Service” in our name suggests, we have trained field service technicians to implement those engineered solutions.

Our unique mix of technical sales, engineering capabilities, and field service has provided engineered product solutions for a wide variety of customers for over 55 years.


Learn more about the fine companies we represent.


See how we stand behind the products we sell.

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Clark-Reliance® continues to be the global leader in the level indication and control, sightflow indication, and filtration and separation industries. Clark-Reliance is dedicated to supplying the largest and broadest product line in the instrumentation industry as the single-source for all types of level measurement and control. From engineered boiler trim instrumentation to the varying demands of the process industry.
Clark-Reliance Products and Brands include: Anderson Separator®, Clark Steam Specialties®, Clark-Reliance, HYCOA® (Hydraulics Company of America), Jacoby-Tarbox®, Jerguson Gage and Valve®, Magne-Sonics®, NFS (National Filtration Systems)®, Reliance Boiler Trim®, Magnicator®, Electro Eye-Hye®, Simpliport®, LevelStar®, UniGlas®, UniShield®, Levalarm®, Enduratrap®, Levelmax and Hi-ef Separations®.

We are a 2014 GOLD ILE Partner