Greyline was founded in 1986 to develop, manufacture and market industrial flow and level monitoring instruments. Products include ultrasonic level transmitters, ultrasonic flow meters and open channel flow meters. Greyline products are distinct because they measure flow or level without contacting the materials being measured. Greyline’s primary market is environmental- especially water and wastewater treatment systems. Customers include municipalities, industry and government environmental groups. The main industrial markets are in heavy industry including pulp and paper, chemicals, mining, textile, steel, petroleum and food processing industries. Modern research facilities at Greyline include closed pipe and open channel flow system with reservoirs, pumps, meter runs and weigh tanks configured to operate at a constant flow rate and allow continuous investigation and calibration of flowmeters with reference to weight, time, density and temperature. Greyline is a worldwide leader in ultrasonic instrumentation for industrial and environmental markets. With years of steady growth, Greyline products are sold and supported worldwide through a skilled network of over 500 independent sales agents.
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Greyline Instruments Questions
The Greyline Instruments annual revenue was $43 million in 2026.
6 people are employed at Greyline Instruments.
Greyline Instruments is based in Long Sault, Ontario.
The NAICS codes for Greyline Instruments are [42, 33451, 334, 3345, 33].
The SIC codes for Greyline Instruments are [382, 38].
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