Block Engineering

ManufacturingMassachusetts, United States11-50 Employees

Block Engineering is a Southborough, Massachusetts-based manufacturer founded in 1956 that specializes in chemical detection systems for safety, security, and environmental monitoring. Its systems use spectrometers based on quantum cascade lasers to enable near-instantaneous detection of chemical threats from hundreds of meters away. The company also supplies widely tunable mid-infrared laser systems to researchers, universities, and OEM partners.

Its customer base includes research institutions, universities, and OEM collaborators, indicating a dual focus on scientific applications and their integration with other systems. Block Engineering has developed portable standoff detection solutions for use by soldiers, first responders, and HazMat teams, exemplified by the PORTHOS platform introduced in 2022. A notable product development reported in 2023 was the release of the next generation of compact quantum cascade lasers.

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