| 2M Company | D | Western US | www.2mco.com |
| America West Drilling Supply | D | Nevada | www.americawestdrillingsupply.com |
| Austin Pump | D | Texas | www.austinpump.com |
| Blake Equipment | D | Eastern US | www.blakeequip.com |
| Cannon Water Technology | E | California | www.cannonwater.com |
| D&S Pump & Supply | D | NE US | www.dspumpco.com |
| Delco Western | D | Utah | www.delcowestern.com |
| Drillers Service Inc | D | Eastern US | www.dsidsi.com |
| Drillworx | D | WI, IA | www.drillworx.us |
| Fondriest Environmental | E | Ohio | www.fondriest.com |
| Forestry Suppliers | E | Publication/Online | www.forestry-suppliers.com |
| Geotech Environmental Equipment | E | USA | www.geotechenv.com |
| Gicon Pumps | D | TX, AZ, NM | www.giconpumps.com |
| Ground Water Systems | D | NY | www.groundwatersystemsinc.com |
| HD Fowler | D | Western US | www.hdfowler.com |
| Hortau | AG | Western US | www.hortau.com |
| Leonard Water Services | D, M | Texas | www.leonardwaterservices.com |
| Mitchell Lewis & Staver | D | Western US | www.mitchellewis.com |
| Morris Industries | D | CT, NJ, NY, PA | www.morrispipe.com |
| NDS Drilling Supply | D | Minnesota | www.ndsdrillingsupply.com |
| Noland Company | D | Eastern US | www.noland.com |
| Preferred Pump | D, M | USA | www.preferredpump.com |
| Premier Pump & Supply | D | NE USA | www.premierpumponline.com |
| Pump Sight | AG | California | www.pumpsight.com |
| Pumps of Houston | D | Texas | www.pumpsofhouston.com |
| Solar Well Pumps Online | D | Online | www.solarwellpumpsonline.com |
| Southland Water Technologies | M | California | www.southlandwater.com |
| USABlueBook | M | Publication/Online | www.usabluebook.com |
| Western Hydro | D | Western US | www.westernhydro.com |
| Western Nevada Supply Co | D | NV, CA | www.goblueteam.com |
United States
Canada
| Clarks Supply & Service | D | SK/Alberta | www.clarkssupply.com |
| EDS Pumps & Water Treatment | D | British Columbia | www.edspumps.com |
| EMCO Ltd. | D | Nova Scotia | www.emcoltd.com |
| PSI Pump Systems | D | British Columbia | www.pumpsystems.ca |
| Rideau Group | D | Nova Scotia/Ontario | www.rideaupipe.com |
South America
| Arturo Lizarazo & Cia, SAS. | D | Columbia | www.arturolizarazoycia.com |
Australia & New Zealand
| HydroTerra | D | Australia | www.hydroterra.com.au |
| Environmental Collective | D | New Zealand | www.envcoglobal.com |
Europe
| Equipements Scientifiques | D | France | www.es-france.com |
| GS Consult | D | Norway, Finland, Sweden | www.gsconsult.no |
| LNDC Ltd Co | D | Russia | www.urovnemer.com |
| Waterline Systems | D | United Kingdom | www.waterlinesystems.co.uk |