Orifice Plate Company / RFI Flowmeter Group / Control Electronics Inc. / DO McMillan Co. / CW PBHF / PBHF / Barnant Co. / CP Free Flow Inc. / VA King Instrument Co. / CT DO EL FS HF / Instruments Direct Inc. / PB HF / MFHF / LIQUID FLOWMETERS Company / Cole-Parmer Instrument Co. / George Fischer Inc. / Carlon Meter Co. Inc. / SeaMetrics Inc. / PB ERDCO Engineering Corp. / Blue-White Industries / Fluid Components Intl / CW Preso Meters Corp. / Intek Inc. / Omega Enginering Inc. / STI Control L.P. / Mesa Labs Inc. / Hach Co. / Badger Meter / Esko Industries Ltd. / Siemens / Instruments Inc. / Plasti Fab Inc. / /