Jesco Products Company, Inc.
- Manufacturer of meter, mix, dispense and pumping equipment and related equipment.
- http://www.jescoproductsco.com/

NCA Technologies
- Supplier of dispensing solutions for pharmaceutical, cosmestic and food industries. Product range includes ceramic pumps, valves, and related equipment. US based (PA).
- http://www.ncatechnologies.com/

Sidewinder Pumps, Inc
- Manufacturers of pneumatic and electric chemical metering pumps designed for high-pressure chemical injection. US based.
- http://www.sidewinderpumps.com/

Zenith Pumps
- Offers pulseless, repeatable metering pump systems for the chemical process, polymer synthesis, and synthetic fiber industries.
- http://www.zenithproducts.com/

Zenith Products
- US manufacturer of precision metering pumps for the fiber, chemical, and plastics industries. Division of Parker Hannifin Corporation.
- http://www.zenithpumps.com/

Zaxis inc.
- Manufacturer of programmable positive displacement fluid metering systems and dispensing equipment. Solutions for OEM and benchtop dispensing. US based (UT).
- http://www.zaxisinc.com/

Vindum Engineering
- US provider of high-pressure, pulseless metering pumps and valves for the petrochemical industry.
- http://www.vindum.com/

S. R. Metering Pumps and Systems
- Manufacturer of positive displacement pumps with focus on metering applications in India.
- http://www.srmetering.com/

ProMinent Dosiertechnik GmbH
- German based manufacturers of dosing pumps and systems. Product information includes operating instructions.
- http://www.prominent.de/

Positive Metering Pumps (I) Pvt. Ltd.
- Manufacturers of dosing pumps and systems, as well as positive displacement pumps for process applications. India.
- http://www.positivemetering.com/

OBL s.r.l.
- Italian manufacturer of motor driven metering pumps. Product line includes plunger, hydraulic and mechanical diagraphm pumps.
- http://www.obl.it/

NIKKISO Pumps America
- Manufactures metering pumps and accessories for variety of industrial and processing applications. Site provides detailed product information.
- http://www.nikkisopumpsamerica.com/

NETZSCH Incorporated
- US manufacturer of specialized industrial equipment including progressing cavity pumps, wet and dry grinding, dispersion and classification equipment.
- http://www.netzschusa.com/

Neptune Chemical Pump Company
- US manufacturer of chemical hydraulic and electronic diaphragm metering pumps.
- http://www.neptune1.com/

LMI Pumps
- Featuring chemical metering pumps and accessories from Flomotion Systems. US based.
- http://lmi-pumps.com/

Liquid Metronics Inc.
- US manufacturer of electronic and motor-driven chemical metering pumps, controllers and accessories.
- http://www.lmipumps.com/

Liquid Controls (Aust) Pty Ltd.
- Australian manufacturer and importer of liquid handling equipment, such as controllers, dosing pumps, sensors and accessories for industrial applications.
- http://www.liquidcontrols.com.au/

Jesco America Corporation (JAC)
- Manufacturer of positive displacement metering pumps and chemical feed equipment. US based company affiliated with German Jesco Dosiertechnik. Features pump selection guide.
- http://www.jescoamerica.com/

Indag Maschinenbau GmbH
- German manufacturer of metering and mixing pumps and systems.
- http://www.indag.de/

HEG Engineering GmbH
- German based manufacturer of mixing and metering pumps and systems.
- http://www.heg.de/

Hauke Pumps
- Austrian manufacturer of metering pumps as single or multiple gear machines for industrial applications e.g. in chemical, petrochemical, oil and gas industry.
- http://www.hauke.at/

Fluid Metering
- US manufacturer of precision metering pumps and dispensers utilizing patented CeramPump valveless piston technology. Provides pdf catalogues.
- http://www.fmipump.com/

Fluid Control Pumps & Systems
- Indian manufacturer of metering pumps and related equipment.
- http://www.fcdosing.com/

Dosapro Milton Roy
- Production and sales of dosing and metering pumps and systems, agitators and pinch valves. Member of Hamilton Sundstrand Group. Based in France.
- http://www.dosapro.com/

ChemIndustrial Systems, Inc.
- US based manufacturer of chemical process equipment including metering pumps for injecting, blending and batching of liquids or gases into liquids.
- http://www.chemindustrial.com/

Alldos
- Manufacturer of chemical dosing pumps and systems and related products in Germany. Member of Grundfos group.
- http://www.alldos.com/