| 3S Co., Ltd | 3S Co., Ltd | |
| A H Enterprises Inc. (AMFLOW) | A H Enterprises Inc. (AMFLOW) | |
| ABB | ABB | https://abb.com/ |
| Agar Corporation | Agar Corporation | |
| AMETEK Drexelbrook | AMETEK Drexelbrook | https://www.drexelbrook.com/ |
| Ametek-Jofra | Ametek-Jofra | https://www.ametekcalibration.com/ |
| Anderson Instrument Co., Inc. | Anderson Instrument Co., Inc. | https://www.anderson-negele.com/us/ |
| Aplisens S.A. | Aplisens S.A. | https://aplisens.com/ |
| Auma | Auma | https://www.auma.com/en/ |
| Autrol | Autrol | http://www.autrol.com/ |
| Azbil Corporation | Azbil Corporation | https://www.azbil.com/ |
| Badger Meter | Badger Meter | https://www.badgermeter.com/ |
| Balluff GmbH | Balluff GmbH | https://www.balluff.com/ |
| Barksdale Control Products | Barksdale Control Products | https://www.barksdale.com/en/ |
| Baumer | Baumer | https://www.baumer.com/ |
| BD SENSORS GmbH | BD SENSORS GmbH | https://www.bdsensors.de/en/ |
| Beamex | Beamex | https://www.beamex.com/ |
| BeiJing Capstar Automation Instrument Co., Ltd. | BeiJing Capstar Automation Instrument Co., Ltd. | |
| Beijing Huakong Technology Co., Ltd | Beijing Huakong Technology Co., Ltd | |
| BERNARD CONTROLS | BERNARD CONTROLS | |
| Berthold Technologies | Berthold Technologies | https://www.berthold.com/en/ |
| Bopp & Reuther Messtechnik GmbH | Bopp & Reuther Messtechnik GmbH | https://www.bopp-reuther.de/en |
| Brooks Instrument | Brooks Instrument | https://www.brooksinstrument.com/en |
| Cameron Technologies | Cameron Technologies | |
| Chengdu Action Electronics Joint-Stock Co., LTD | Chengdu Action Electronics Joint-Stock Co., LTD | |
| Chongqing ChuanYi Automation Co. Ltd | Chongqing ChuanYi Automation Co. Ltd | |
| CiDRA Corporate Services LLC | CiDRA Corporate Services LLC | |
| Coto Measurement System (Shanghai) Co. Ltd. | Coto Measurement System (Shanghai) Co. Ltd. | |
| CRANE | CRANE | |
| Crowcon Detection Instruments Limited | Crowcon Detection Instruments Limited | |
| Dandong Top Electronics Instrument Group Co. Ltd | Dandong Top Electronics Instrument Group Co. Ltd | |
| Delta Controls Corporation | Delta Controls Corporation | |
| Det-Tronics | Det-Tronics | https://www.det-tronics.com/ |
| DKK-TOA Corporation | DKK-TOA Corporation | |
| Draeger Safety AG & Co. KGaA | Draeger Safety AG & Co. KGaA | https://www.draeger.com/ |
| DVG Automation SpA | DVG Automation SpA | |
| Dynisco | Dynisco | |
| ELECTRONSTANDART-PRIBOR | ELECTRONSTANDART-PRIBOR | |
| Elimko Electronic Production & Control Co. Ltd. | Elimko Electronic Production & Control Co. Ltd. | |
| Elmetro Group, Ltd | Elmetro Group, Ltd | |
| Emerson Automation Solutions | Emerson Automation Solutions | https://www.emerson.com/global |
| EMIS CJSC | EMIS CJSC | |
| Endress+Hauser | Endress+Hauser | https://www.endress.com/en |
| ENOTEC GmbH | ENOTEC GmbH | |
| ESP Safety, Inc. | ESP Safety, Inc. | |
| EUROMAG INTERNATIONAL S.R.L. | EUROMAG INTERNATIONAL S.R.L. | |
| FLEXIM | FLEXIM | https://www.flexim.com/ |
| Flowline, Inc. | Flowline, Inc. | |
| Fluid Components International LLC | Fluid Components International LLC | https://www.fluidcomponents.com/ |
| Fluidwell | Fluidwell | |
| Fluke Corporation | Fluke Corporation | https://www.fluke.com/ |
| Fuji Electric Co., Ltd | Fuji Electric Co., Ltd | https://www.fujielectric.com/ |
| Gasensor Technology Pte Ltd | Gasensor Technology Pte Ltd | http://www.gasensor.com/ |
| GASTRON | GASTRON | |
| GEFRAN | GEFRAN | https://www.gefran.com/ |
| General Electric | General Electric | https://www.ge.com/ |
| Georgin | Georgin | |
| GKS | GKS | http://en.nppgks.com/ |
| Gneuss Kunststofftechnik GmbH | Gneuss Kunststofftechnik GmbH | https://www.gneuss.com/ |
| GP:50 Ltd. | GP:50 Ltd. | https://www.gp50.com/ |
| Guangzhou City Xitai Auto-Control Facility Co. Ltd. | Guangzhou City Xitai Auto-Control Facility Co. Ltd. | |
| HACH Company | HACH Company | https://www.hach.com/ |
| Hamilton Bonaduz AG | Hamilton Bonaduz AG | |
| Harold Beck & Sons, Inc. | Harold Beck & Sons, Inc. | |
| Hawk Measurement Systems Pty. Ltd. | Hawk Measurement Systems Pty. Ltd. | http://www.hawkmeasure.com/ |
| Heinrichs Messtechnik | Heinrichs Messtechnik | http://www.heinrichs.eu/index.php?id=home |
| Honeywell International | Honeywell International | https://www.honeywellprocess.com/ |
| HORIBA Advanced Techno, Co., Ltd. | HORIBA Advanced Techno, Co., Ltd. | |
| Huizhong Instrumentation Co., Ltd. | Huizhong Instrumentation Co., Ltd. | |
| IMTEX Controls | IMTEX Controls | |
| Inor Process AB | Inor Process AB | |
| Isoil Industria S.p.a. | Isoil Industria S.p.a. | |
| JSC EPF "SIBNA" | JSC EPF "SIBNA" | |
| JUMO GmbH & Co. KG | JUMO GmbH & Co. KG | https://en.jumo.de/ |
| Klay Instruments | Klay Instruments | |
| Knick GmbH & Co. KG | Knick GmbH & Co. KG | https://www.knick-international.com/en/ |
| Kongsberg Maritime AS | Kongsberg Maritime AS | |
| Koso Engineering Co. Ltd | Koso Engineering Co. Ltd | |
| KROHNE Messtechnik GmbH | KROHNE Messtechnik GmbH | https://krohne.com/ |
| LABOM GmbH | LABOM GmbH | |
| Limaco | Limaco | |
| Magnetrol | Magnetrol | https://www.magnetrol.com/ |
| Manometr-Kharkiv | Manometr-Kharkiv | |
| Metroval Controle de Fluidos Ltda | Metroval Controle de Fluidos Ltda | |
| Mettler-Toledo GmbH | Mettler-Toledo GmbH | https://www.mt.com |
| Microcyber Corporation | Microcyber Corporation | |
| MISTRAS Group, Inc. | MISTRAS Group, Inc. | |
| Moore Industries-International, Inc. | Moore Industries-International, Inc. | https://www.miinet.com/ |
| Motoyama Eng. Works, Ltd. | Motoyama Eng. Works, Ltd. | |
| MSA | MSA | |
| M-System Co. Ltd. | M-System Co. Ltd. | |
| MTS Sensors | MTS Sensors | |
| Neles Finland Oy | Neles Finland Oy | https://www.metso.com/ |
| New Cosmos Electric Co., Ltd | New Cosmos Electric Co., Ltd | |
| Nivo Controls Pvt. Ltd. | Nivo Controls Pvt. Ltd. | |
| NIVUS | NIVUS | |
| NOAH ACTUATION CO.,LTD. | NOAH ACTUATION CO.,LTD. | |
| Omega | Omega | |
| Orange Instruments | Orange Instruments | |
| Otis Instruments | Otis Instruments | |
| OVAL Corporation | OVAL Corporation | |
| Phase Dynamics, Inc. | Phase Dynamics, Inc. | |
| Phoenix Contact | Phoenix Contact | |
| PMC Engineering LLC | PMC Engineering LLC | |
| Power-Genex Ltd. | Power-Genex Ltd. | |
| PR electronics A/S | PR electronics A/S | |
| Pulsar Process Measurement | Pulsar Process Measurement | |
| Pyromation Inc. | Pyromation Inc. | |
| Riken Keiki Co., Ltd. | Riken Keiki Co., Ltd. | |
| Ronan Engineering | Ronan Engineering | |
| Sage Metering, Inc. | Sage Metering, Inc. | |
| Satron Instruments Inc. | Satron Instruments Inc. | |
| Schneider Electric | Schneider Electric | https://www.se.com/ |
| Scott Safety | Scott Safety | |
| Seojin Instech Co., Ltd | Seojin Instech Co., Ltd | |
| Shanghai Automation Instrumentation Co.,Ltd | Shanghai Automation Instrumentation Co.,Ltd | |
| Shanghai Rocksensor Automation Co., Ltd. | Shanghai Rocksensor Automation Co., Ltd. | |
| Shanghai Sinoto Instrument Co., Ltd. | Shanghai Sinoto Instrument Co., Ltd. | |
| Shanghai Welltech Automation Co., Ltd | Shanghai Welltech Automation Co., Ltd | |
| Shanghai Yinuo Instrument Co., LTD | Shanghai Yinuo Instrument Co., LTD | |
| SHENYANG LANSHEN INSTRUMENT CO., LTD | SHENYANG LANSHEN INSTRUMENT CO., LTD | |
| SICK Engineering GmbH | SICK Engineering GmbH | |
| Siemens AG | Siemens AG | https://siemens.com/global/en.html |
| Sierra Instruments, Inc. | Sierra Instruments, Inc. | https://www.sierrainstruments.com/ |
| SMAR | SMAR | https://www.smar.com/en/ |
| SOR Inc. | SOR Inc. | |
| Spirax Sarco Srl | Spirax Sarco Srl | |
| Spriano | Spriano | |
| Status Instruments Ltd. | Status Instruments Ltd. | |
| SWAN Analytical Instruments | SWAN Analytical Instruments | |
| SWISA Instrument Inc. | SWISA Instrument Inc. | |
| Thermo Fisher Scientific | Thermo Fisher Scientific | |
| TLV | TLV | |
| TOKYO KEIKI INC. | TOKYO KEIKI INC. | |
| TOKYO KEISO | TOKYO KEISO | |
| TopWorx | TopWorx | |
| TOSHIBA | TOSHIBA | |
| Toshniwal Industries Private Limited | Toshniwal Industries Private Limited | |
| Tracerco | Tracerco | |
| United Electric Controls | United Electric Controls | |
| Universal Flow Monitors | Universal Flow Monitors | |
| Val Controls A/S | Val Controls A/S | |
| Valmet | Valmet | |
| Valtek Sulamericana | Valtek Sulamericana | |
| Vautomat | Vautomat | |
| VEGA Grieshaber KG | VEGA Grieshaber KG | https://www.vega.com/ |
| Viatran | Viatran | |
| Walsn | Walsn | |
| Welkin Co., Ltd. | Welkin Co., Ltd. | |
| WIKA Alexander Wiegand SE & Co. KG | WIKA Alexander Wiegand SE & Co. KG | https://en.wika.com/ |
| Wilcoxon Sensing Technologies | Wilcoxon Sensing Technologies | |
| WISE CONTROL INC | WISE CONTROL INC | |
| WISE Sensing Inc. | WISE Sensing Inc. | |
| Xi'an Dongfeng Machinery & Electronic Co., Ltd | Xi'an Dongfeng Machinery & Electronic Co., Ltd | |
| Yangzhou Electric Power Equipment Manufacture Factory CO,LTD | Yangzhou Electric Power Equipment Manufacture Factory CO,LTD | |
| Yokogawa Electric Corporation | Yokogawa Electric Corporation | https://www.yokogawa.com/ |