Welcome to Block Engineering, a leader in gas analysis and chemical detection technology since 1956.

Latest News: Block Engineering Launches Next Generation of Its LaserWarn Chemical Threat Detection Product

For over 60 years, Block Engineering has been a leader in the field of chemical detection and analysis. Our laser-based spectrometers currently protect people and facilities worldwide from chemical threats. We also supply mid-infrared quantum cascade lasers to researchers and OEMs.