- Accumulator and Cooler Division
- Accumulator and Cooler Division - Europe
- Aerospace Filtration Division
- Aftermarket AC and Refrigeration
- Aircraft Wheel & Brake Division
- Automation Division - China
- Bioscience and Water Filtration Division
- Chelsea Products Division
- Chomerics Division
- Composite Sealing Systems Division
- Control Systems Division
- Customer Support Operations - Aerospace
- Cylinder Division
- Cylinder Division - Europe
- Electromechanical and Drives Division Europe
- Electromechanical and Drives Division North America
- Electronic Controls Division
- Engine Mobile Aftermarket Division
- Engine Mobile Hydraulic and Fuel Filtration Division
- Engine Mobile Original Equipment Division
- Engineered Polymer Systems Division
- Fluid Control Division
- Fluid Control Division - Europe
- Fluid System Connectors Division
- Fluid Systems Division
- Gas Separation and Filtration Division EMEA
- Gas Turbine Filtration Division
- Gas Turbine Fuel Systems Division
- High Pressure Connectors Europe Division
- Hose Products Division
- Hose Products Division - Europe
- HVAC Filtration Division
- Hydraulic and Industrial Filtration Division EMEA
- Hydraulic Cartridge Systems Division
- Hydraulic Pump and Power Systems Division
- Hydraulic Systems Division
- Hydraulic Valve Division
- Industrial Gas Filtration and Generation Division
- Industrial Process Filtration Division
- Industrial Systems Division Europe
- Instrumentation Products Division
- Low Pressure Connectors Europe Division
- Mobile Hydraulic Systems Division Europe
- Motion Systems Division Korea
- O-Ring & Engineered Seals Division
- Pan Am Division
- Parflex Division
- ParkerStore HOSE DOCTOR®
- ParkerStore™
- Pneumatic Division
- Pneumatic Division - Europe
- Polyflex Division - Europe
- Praedifa Technology Division
- Precision Fluidics Division
- Pump & Motor Division
- Pump & Motor Division Europe
- Quick Coupling Division
- RAC Division - Europe
- Refrigerating Specialties Division
- Sealing Technologies Asia Division
- Sporlan Division
- Stratoflex Products Division
- Tube Fittings Division
- Veriflo Division
- Water Purification
- Acroloop
- Airtek
- Atlas Cylinders
- Balston
- Bayside
- Cabett Subsea
- Calzoni
- Chelsea
- Chomerics
- Compumotor
- CTC
- Daedal
- domnick hunter
- Ermeto
- Finite
- Gold Ring
- Greer
- Gresen
- Helac
- Hiross
- IPS
- Jet-Pipe
- Kittiwake
- Lucifer
- Miller Fluid Power
- Olaer
- Page International
- PECO
- Pioneer
- Pneutronics
- Porter
- Praedifa
- Purolator
- Racor
- Schrader Bellows
- Sea Recovery
- Sempress
- Skinner
- Sporlan
- SprayCool
- STC
- Taiyo
- TexLoc
- Trilogy
- Veriflo
- Village Marine
- Watts Fluid Air
- Wilkerson
- Zander