| Bosch Rexroth | http://www.boschrexroth.com |
| Eaton Hydraulics | http://hydraulics.eaton.com/products/menu_main.htm |
| Fluid Power Journal | http://www.fluidpowerjournal.com/ |
| Hydraulics and Pneumatics Magazine | http://www.hydraulicspneumatics.com/default.aspx |
| Norcan Fluid Power | http://www.norcanfluidpower.com/ |
| PSI Fluid Power | http://www.psifluidpower.ca/ |
| SAI Hydraulics | http://www.saihyd.com/ |
| Sauer Danfoss | http://www.sauer-danfoss.com/Literature/index.htm |
