Founded by Milan Kesler, InstruTECH developed data-acquisition interfaces for the life sciences and built a reputation in the field over his more than 32-year career. After InstruTECH closed in July 2007, HEKA acquired selected assets and continued manufacturing, support, repair service, and the InstruTECH branding for its current interfaces.
Laser Probe, IncFounded in 1992 to carry on the former Laser Precision Corporation Radiometric Division, employee-owned Laser Probe, Inc. developed laser measurement instruments, including power and energy meters and radiometers. Its best-known work included broad-spectrum measurement equipment and the NIST-recognized Electrically Calibrated Pyroelectric Radiometer, a ±1% radiometric transfer standard. Laser Probe stopped manufacturing new instruments in 2025 and now directs owners of existing equipment to Legacy Fiberoptics for service.UTICA, NY
DL Instruments LLCDL Instruments LLC grew out of Ithaco Corporation’s Precision Instrumentation Division, which was sold to David Woolston in 1995. Now owned and managed by George Moschak, the Brooktondale company carries on that Ithaco heritage by building and servicing precision electronic instruments for scientific and research customers worldwide, including users in industrial and military fields.BROOKTONDALE, NY
DATAQ Instruments, IncSince 1984, Akron-based DATAQ Instruments has made data-acquisition systems and data loggers that turn analog signals into recorded, analyzable waveform data. Its hardware and WinDaq software are built for users ranging from life-sciences researchers to engineers working on heavy industrial equipment, with no-programming operation central to the company’s approach. DATAQ also manufactures its instruments in the United States, including the isolated DI-4730 for demanding high-voltage and industrial measurements.AKRON, OH
BASi Research Products, IncFounded in 1974 by Purdue chemistry professor Peter Kissinger, BASi Research Products makes specialized scientific instruments and supplies for life-science research, with manufacturing in West Lafayette. The company is particularly known for electrochemistry equipment and automated systems for sampling and dosing in preclinical studies, and its instruments are built for long service—some have remained in laboratory use for more than 30 years.GAITHERSBURG, MD