Ashcroft Pressure / Temperature Gauges and Switches.  Calibration and Seal Service. Expo Technologies Pre-engineered and custom built Type "X", "Y", and "Z" Purge / Pressure Systems. Flowline Ultrasonic Level Transmitters and Switches. Tank Inventory, Automation and Safety. Very Small to Large Tanks. GDS Corp Gas detection solutions for the most difficult and challenging environments . GE Osmonics/Aquamatic,Inc. (Stocking Distributors) Diaphragm Operated Valves both Metal and Plastic, Solenoid and Float Operated, Stagers, Electronic Controllers, Flowmeters, Stainless Steel Valves. Gems Sensors, Inc. Liquid Level, Flow, and Pressure Sensors. Solenoid Valves. Greyline Instruments, Inc. Ultrasonic Level Transmitters, Tank Farm Level Systems, Open Channel Flow Monitors, Doppler Flowmeters, Portable Doppler Flowmeters, Flow Switches, Lift Station Level Controllers/Transmitters, Area-Velocity Flowmeters, and Transit Time Flowmeters. Hoffer Flow Controls, Inc. Turbine Flowmeters, Liquid or Gas, Very Low to High Flow Rates, Insertion Probe Flowmeters, Cryo-genic Flowmeters, Mass or Volume Flow Systems, Flow Computers and Readouts, Flow Switches, Smart Flow Transmitters, Sanitary 3A Flowmeters, Positive Displacement (PD) Flowmeters, Custom Flowmeters. Kobold Instruments, Inc. Flow (Magmeters, Coriolis, ect.), Pressure, Level, Temperature and Displays. Kurz Instruments Manufacturer of Thermal Mass Flow Transmitters for industrial gases and liquids .... MTL / Relcom Lightning and Surge Protection, Fieldbus Products, Intrinsic Safety, Process I/O. NDC Infared Engineering, Inc. Online Moisture and Consituent Analyzers. Princo Instruments, Inc. RF Level Systems - Continuous, Multiple Point / Zone or Single Point.  Ultrasonic Transmitters.  Presence / Absence Detector, Density, 3A Sanitary Type. Rotork Process Controls / Jordan Controls, Inc. Electric Actuators, Electric-Hydraulic Actuators, Rotary and Linear. Control Valve Actuators (Custom Valve Mounting), Servo Amplifiers, Electrically Controlled Pressure Regulators, and Position Transmitters. Sensortec, Inc. Thermocouples, RTD's Thermowells, Thermometers, Transmitters, & 3A Sanitary Type. Stahl, Inc. Intrinsic Safety Barriers and Isolators, Electrical Hazardous Area Equipment. Status Instruments Smart "Hart" Temperature Transmitters ("Hockey-Puck" Style and Din Rail Mount), Voltage/Current Converters & Isolators, Power Supplies, Digital Panel Meters, Alarm Modules, Temperature Data Loggers, RH. Warrick Controls Conductivity based Liquid Level Controls and Relays. Wika Mechanical Pressure, Electronic Pressure Transmitters/Transducers, Diaphragm Seals, Mechanical Temperature, Thermowells and Temperature Transmitters. Others Flow Technology, Inc., Belimo, Schlumberger,  Mensor Corp., Trimec Flowmeters, Magtech, Crane Environmental, Wellmark, Thermo Electron