| Key_Instruments Offers flowmeters, optical flow alarms and controllers, for medical, industrial, chemical, and laboratory applications. |
| Krohne Variable area, magnetic-inductive, ultrasonic, mass flowmeters; level measuring instruments; flow controllers. Manufacturer, global supplier. |
| Kurz_Instruments Manufactures thermal mass flow meters for industrial gases, combustion air, flue gases and other applications. Also, Mass flow control valves, inline elements, transmitters. |
| Laboratory_Control_Systems_Incorporated Manufactures a line of air flow control and measuring equipment for laboratory, health care and industrial environments. |
| Lambda_Square_Inc_ Differential pressure flowmeters feature single-piece construction, no moving parts, trouble-free performance. |
| Litre_Meter Manufacture of products for the measurement and control of fluid flow including a variety of flowmeters. |
| Marsh-McBirney,_Inc_ Manufacturer of water and wastewater flowmeters. |
| Mass-Flo Manufacture of mass flow controllers and advanced material delivery products. |
| Master_Meter,_Inc_ Manufactures water and wastewater treatment products, including submetering, multi-jets, electromagnetic flow meters, Liquidmaster, flow controllers, automatic meter reading systems. |
| Max_Machinery_Inc_ Manufactures positive displacement flow meters, urethane processor, fuel system |
| McMillan_Company Manufactures liquid and gas flow sensors, meters, and controllers. Specializing in Teflon liquid flow sensors and controllers for CMP, UHP. |
| Meter_Equipment_Manufacturing,_Inc_ Manufactures industrial flow meters, flow switches, and flow instrumentation with calibration services. |
| Micronics_Ltd_ Manufacture ultrasonic, doppler, electromagnetic flow meters and energy meters. |
| Milton_Roy_Company Manufactures water and wastewater treatment products for municipal and industrial markets including leak detectors and metering, plunger, gear, rotary pumps. |
| MPB_flowmeters Variable area flowmeters, flow and level switches, calibration cylinders, flow alarms, flow transmitters, sight glasses, specialist gas flowmeters. |
| MSR_Magmeter Manufacturer of magnetic flowmeter for water and water-based liquids in pipes from 3" to 120" diameter. |
| M+W_Instruments Manufacture of thermal mass flow meter and controllers. |
| Nixon_Flowmeters_Ltd Manufacturers of industrial and hygienic turbine flowmeters and streamflo velocity meters. |
| Panametrics Manufacturer and worldwide distributor of ultrasonic testing equipment and process control instrumentation. |
| PKP_Prozessmesstechnik_GmbH Manufacturer of measuring and monitoring equipment for flow and level as well as the necessary secondary instumentation and accessories. From Germany. |
| Precision_Proving_Ltd_ Offers on-site proving and calibration of custody transfer and sales meters. Repairs to most types and makes of meter. |
| Proces-Data Manufacturers flow transmitters, fieldbus based controllers and I/O modules and SCADA software. |
| Processautomatic Manufacturing hygienic and magnetic flowmeters and systems for measuring liquids in the food and beverage industry. From Sweden. |
| Proteus_Industries Manufacturers flow switches and flow meters for industrial cooling systems and WeldSavers for cap off detection on robotic welders. |
| Pumphlo_Co_ Manufacture of a flow measurement instrument based on volume change over a period of time. |
| Qualiflow Innovative solutions for UHP gas systems: mass flow controller, high purity valve, gas systems. From France. |
| Rapidcharge_Frigofrance_s_a_s_ Manufactures automatically controlled equipment which ensures circuit testing and filling with various types of fluids, for the automobile industry. |
| Ritter_Apparatebau_GmbH Manufactures high precision gas meters for laboratory use made out of various superior plastics. |
| Rockwin_Flowmeters Indian company produces turbine flowmeters for applications in industrial and custody transfer industries; sizes from 5 mm to 400 mm. |
| R_R_Flowmeters_Pvt__Ltd_ Manufacture of flow meters and water meters. |
| RS_Hydro UK consultancy providing expertise, instrumentation, and calibration for meteorology, hydrology, water flow and chemistry, and varied industrial and environmental applications. |
| Sage_Metering_Inc_ Manufacture of equipment to monitoring, measuring and control gas mass flow in industrial processes. |
| Schenck_AccuRate Provides bulk solids metering products and solutions for domestic and international powder bulk solids industries and creator of the flexible walled volumetric feeder. |
| SeaMetrics,_Inc_ Makes simple, economical flow sensors and controls. |
| Sensus Manufactures water and wastewater treatment products for the municipal and industrial markets including computer software, meters, turbines, encoders, instrumentation. |
| Sierra_Instruments Manufacture of Mass flow metering equipment. |
| SIMA_servis_s_r_o_ Measurement and control design, installation. Also, manufactures induction flow meters and calorie counters. |
| Sponsler_Company,_Inc_ Manufacturer of precision turbine flowmeters and electronics instrumentation for flow measurement application. |
| Superior_Products,_Inc_ Manufactures orifice plates and other flow measurement differential devices. |
| Systec_Controls Manufacturer of levelmeters and flowmeters for steam, gases and liquids. |
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