ETA Process Instrumentation and Martech Controls are New England and Upstate New York's leading source for process control and analytical instrumentation. Our major product categories include: gas and flame detection; on-line gas and liquid analysis; flow, temperature, level, moisture, and humidity measurement; hazardous area products; and emissions and combustion monitoring.

What Sets Us Apart:

  • Proven Expertise: Benefit from over 50 years of experience in delivering reliable solutions for process measurement applications.
  • Transparent Performance: Make informed decisions with side-by-side comparisons of specifications and performance to ensure the best fit for your needs.
  • Strong Partnerships: Enjoy long-term, collaborative relationships built on trust, as seen in our decades-long partnerships with customers, vendors, and employees.
  • Comprehensive Offerings: Access a wide range of products and services, including safety equipment, portable instruments, and calibration and repair services. Tailored solutions across divisions help improve your business's efficiency and safety.
  • Integrity You Can Trust: Rely on a commitment to honesty, ethics, and delivering on promises, backed by a legacy of family ownership since 1970.

Technical Sales, Service and Support for Process Control and Analytical Instrumentation

Process Insights Solutions for the Semiconductor Industry

November 11, 2025

Process Insights delivers advanced analytical and process monitoring solutions designed for the demanding semiconductor industry. Their portfolio includes high-performance analyzers and integrated systems that ensure ultra-high-purity (UHP) gas quality, detect trace impurities, and support process optimization.

Beverage & Brewery Gas Detection

October 21, 2025

Behind every pint of beer lies a complex production process that relies heavily on the use and control of gases. These same gases can pose serious safety hazards if not properly monitored and makes gas detection an essential component of brewery and beverage plant safety.

ETAPII-Martech Service Areas 

ETAPII services customers in CT, RI, MA, VT, NH, ME
Martech services customers in Upstate New York
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