About Us

Instrumentation Services Inc. (INSCO) is a recognized calibration service provider, a manufacturer of precision weights and temperature baths and a distributor of validation, laboratory and process equipment and instrumentation, founded in 1968 with accredited laboratories in Puerto Rico, United States and Mexico.

As a service provider, INSCO is the leading company in its field, with more than 50 year of experience in the business of process calibration, laboratory instrumentation, metrology, installations, preventive maintenance, repairs and equipment rental.

INSCO has been accredited for its technical competence in the field of Calibration in accordance with the recognized International Standards ISO/IEC 17025:2017.

Our laboratories are in compliance with the most demanding requirements of the regulated industry and our services are conceived to meet and surpass the necessities of our clients.

The following are among the main sectors to which we offer services:

  • Pharmaceutical
  • Biotechnology
  • Medical Devices
  • Food & Beverage.
  • Healthcare Industry
  • Water Distribution
  • Chemical Industry
  • Manufacturing
  • Educational Laboratories

With highly qualified technicians and state-of-the-art equipment, INSCO is undoubtedly your best alternative to get quality services at competitive prices.

As a manufacturer, INSCO has developed a complete line of temperature dry block and liquid baths ranging from temperatures as low as -95C to those as high as 1200C. This makes INSCO an innovator in the design and manufacturing of dry blocks at extreme temperatures.

INSCO has also been recognized as an excellent manufacturer of precision weights. Our weights are made of high-grade stainless steel with very low magnetic properties and uniform density. INSCO’s high quality weights are available in all tolerances, from OIML Class E1 and ASTM Class 0 to NIST Class F.

As a Representative and Distributor of validation equipment, INSCO has been the only authorized and approved exclusive distributor of KAYE equipment in Puerto Rico for over 20 years. As the authorized and approved representative of Amphenol Advanced Sensors – Kaye products – in Puerto Rico, INSCO has undergone extensive training and certification in order to adequately represent the sale, rental, repair and calibration issues around the Kaye products.

INSCO is also a distributor of diverse lines of laboratory and industrial equipment and instruments.

An experienced team of salespeople, customer service representatives and technicians work closely with our customers to identify and meet their product and service needs.



We manufacture high quality CALIBRATION WEIGHTS and WEIGHT SETS from 1mg to 50kg in all classes from E0 to M3 in OIML, from 0 to 7 in ASTM and NIST F.


We offer Calibrations, Validation and Engineering Services.


We have research EQUIPMENTS for sale and a great variety of measurement instruments for rental as well as qualified equipment used for repair services.

Why Us?
For so many reasons but we will summarize them into 3
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