Essco Calibration Laboratory offers calibration services for a wide range of commercial test equipment, covering electronic, mechanical, fiber-optic, temperature, pressure, mass flow, and torque instrumentation. The company's accreditation to ISO/IEC 17025 ensures high-quality standards, with all calibrations traceable to NIST. With around 90 employees, Essco ranks among the largest independent calibration facilities in the United States.
Operating both onsite and from its cutting-edge laboratories in Chelmsford, Massachusetts, Essco delivers approximately 50 percent of its calibrations at client locations, enhancing convenience for customers. Since its establishment in 1961, Essco has amassed a strong clientele, serving over 3,500 customers in the U.S. and 15 foreign countries.
Although Essco's industry focus is on Health Care, the company's commitment to accuracy and reliability positions it well for expansion into other industries reliant on precision instrumentation.