1355 Route 28A
P.O. Box 97
Cataumet, MA 02534
(508) 564-7854

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Your global partner in precision pressure control for your industry

The TESCOM brand delivers a wide range of standard and custom engineered regulators, valves and systems for a diverse world market. You can count on expert application and customer support ranging from high tech complex projects to simple industrial applications. Close collaboration between worldwide design and manufacturing groups ensure the usage of state-of-the-art production technologies to provide the innovation and highest quality product that TESCOM customers have come to expect.

TESCOM - Elk River, MN USA Facility
Certificate ISO 9001:2008
TESCOM Elk River ATEX Certificate

METI Certified Self-Inspecting Manufacturer (MAB 491-N) - documentation not available






We can help solve your toughest flow and pressure challenges.

Porterís revolutionary Series II mass flow meters and controllers operate on a new platform to handle broader flow and pressure ranges across all of your applications, reducing the number of devices you have to keep on hand.  For the first time, change your flow range and gas configuration in one step without any process downtime.

The Series II suite meets or exceeds our primary competitors in accuracy, flow range, pressure, communication, repeatability and turndown.  Click here for specifications and to learn more about how Series II can improve your process.

Learn more about the advantages of Series II.

Porter Instrument Division complies with these Plant Quality Certificates:

Porter Instrument Division also has flow measurement and control products that
conform to most widely acknowledged global quality certificates, such as:

  • CE
  • UL Class I Division 2
  • ATEX Zone 2
  • IECex
  • ROHS





ControlAir Inc. is a leading manufacturer of precision air pressure regulators, I/P transducers, E/P transducers, P/I transducers, valve positioners, air relays, volume boosters, air filter regulators and frictionless diaphragm air cylinders.

ControlAir offers world-wide distribution for companies that demand excellent service and outstanding technical support for their compressed air pressure regulator applications.

Our ISO-9001 registered quality system assures tightly controlled specifications and processes, resulting in high performance, dependable pneumatic controls.

Our dedication to a streamlined manufacturing process assures customers of product availability and on-time delivery.

ControlAir specializes in joint development projects and strategic design partnerships - customizing our products to meet the specific needs of our customers. OEM inquiries encouraged.


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