Since 1953 Columbia Research Laboratories, Inc has been a leading manufacturer of sensors for use in Aerospace, Military and Industrial markets, including but not limited to force balance inertial-grade accelerometers & inclinometers, piezoelectric accelerometers, vibration/temperature transmitter, and dynamic pressure sensors, strain gage aircraft mainframe fatigue sensors, precision linear variable differential transducers, assorted signal conditioning instrumentation and fiber optic sensors. Located in Woodlyn, Pennsylvania just minutes from the Philadelphia International Airport. Our 20,000 square feet in-house manufacturing facility provides for 98% of Columbia's production processes, reducing our dependency on outside contractors and thereby enabling us to provide our customers with the highest quality products, timely delivery and reasonable pricing.