Occupational Health Dynamics, Inc. (OHD)

Occupational Health Dynamics, Inc. (OHD) supplies occupational health, safety, and industrial hygiene equipment and technology. Its offerings include quantitative respirator fit-testing systems, air-sampling pumps and calibrators, sound and vibration instruments, noise-monitoring products, and fit-testing compliance software. OHD also provides technical support, equipment servicing, and calibration for products it sells, serving organizations with respiratory protection, exposure-monitoring, and hearing-conservation needs.