Towa
Level controls for solids and liquids.

Babbitt Level Controls and Dust Emissions Sensors
Level controls for liquids, bulk solids, dust emissions, dry material flow, filter leaks. Includes level switches, gauges, transmitters, RF switches and liquid-level indicators.

K-TEK Corporation
Manufacturers equipment for level detection for liquids and solids. Level indicators, transmitters, switches.

Automated Sonix Corporation
Ultrasonic, non-contact level sensors and ultrasonic flowmeters to monitor and display liquid levels in tanks and flow in pipes without calibration.

GWK Ekectronics Ltd.
Manufacture remote liquid level measurement, alarm and control, and local tank contents gauges.

Hawker Electronics
Manufactures products for level control and indication in liquids and free-flowing powders.

Milltronics Process Instruments Inc.
Manufacture ultrasonic level measurement devices used to measure and control the movement and storage of liquids and bulk solids. The company also produce dry solids flow measurement and flow monitoring equipment.

Femack
Manufactures liquid level control systems, water level detector, liquid level controllers, water control systems.

Nivelco Process Control Co., Inc.
Manufacturer of a wide range of level control equipment including vibration, conductivity, and float based level switches, capacitance and hydrostatic level transmitters.

Omntec Manufacturing. Inc.
Automatic tank gauging, leak and level systems and sensors for above- and below-ground storage tanks.

Fiedler
Low-cost water flow/level monitoring-recording system, field universal input datalogger, ombrograf, ultrasonic level probe, GSM communications.

Hawleys Engineering Solutions
Supplies liquid level gauges, flow control equipment and sealing products.

STI Level and Flow
Manufactures point or continuous level and flow sensing and detection products

A2D2 Electronics
Bin level sensors provide a reliable, non-nuclear option in high temperature environments, such as lime kilns and power plant fly-ash bins.

Teklab S.a.s.
Manufacturer of digital liquid level sensors.

Automation Products, Inc.
Manufacturers Dynatrol process control instruments for oil, gas, food, chemical and a wide variety of process industries

JC Controls
Liquid nitrogen level controller. Automatic refill of liquid nitrogen traps.

Flowline, Liquid Level Intelligence
Manufacturer of plastic level transmitters, level switches and flow switches designed specifically for harsh acid, caustic and chemical solutions. Describes products and 10 alternative technologies including ultrasonic, capacitance, optic, radar, and thermal.

Thirty/Ninety Eight Company
Manufactures level control indicators for bulk solids and liquids.

Lumenite Control Technology, Inc
Liquid level controls, timing controls, timers, switches, and sanitary probes. Engineers, designs, and manufactures Paneleveline controls, 3A sanitary pressure gauges.

Action Instruments, industrial measurement and network instrumentation
Action Instruments, industrial measurement, network instrumentation, factory automation, process controls, signal conditioner, data acquisition, I/O products, temperature monitoring, flow control

Float Switch, Inc.
Manufacturers of float switches, liquid level sensors, transducers, and solid-state controls for all industries.

Engineering and Manufacturing Services
Ultrasonic sensor and control solutions for industrial level and process control.

Ohmart/Vega Instrumentation
Manufactures tank level, density, and special process measurement instrumentation. Pulse radar, ultrasonic, and nuclear, for environments from sterile to extremely harsh.

BinMaster
Electromechanical, solid state bindicators and point level control systems for level, flow, and dust detection controls including solid, liquid, powder, and slurry applications.

Phase Laser Inc.
Manufacturer of precision fiber optic sensor systems for distance measuring instrumentation for industry, education, and research including a line of non-contact tank and container gauging systems.

Charis Technology Limited
Design and Manufacture of level control systems, specialising in foam sensors and foam control systems which are completely imune to fouling.

Madison Company
Manufacturer of liquid level switches. Full size and miniature switches in horizontal, vertical, multi-level and specialty styles.

Level Sensors
Manufacturer of capacitive level sensors that detect the level of water and liquids in non-metallic containers. Applications include spa, jetted tub, irrigation and drinking water tanks.

Liquid Level, Inc.
Manufactures liquid level sensors, controls, and switches.

Solid Applied Technologies Ltd.
Manufactures ultrasonic level measurement instruments requiring no calibration and radar level gauging instruments for commercial.

Crydom Magnetics Ltd.
Manufacturer Of liquid level and flow sensors, reed switches, RF and high voltage reed relays, transformers. Facility in Wimborne,UK.

Delta Controls Corporation
Manufacture industrial level measurement and control instruments and sensors. Product data sheets and catalog available in pdf format.

Kab's Liquid and Solids Level Transmitters
Manufacturer of liquids and solids ultrasonic level transmitters, controllers, switches, indicators and instrumentation.

Conery Manufacturing, Inc.
Manufacture of mercury and mechanical float switches, high and low water alarms, custom junction boxes, stainless steel chain, tank vents, float brackets and panel mount alarm light lenses.

level measurement
Manufacture ultrasonic level measurement devices used to measure and control the movement and storage of liquids and bulk solids.

ABM Sensor Technology Inc.
Manufacture ultrasonic and microwave level measurement devices of liquids and solids.

Righton Instrument Company
Manufacturers of custom bubbler systems for level measurement and control.