| System Name |
| 1st Inspections CCTV |
| 2M Company, Inc. |
| Abbott, Arne, Schwindt, Inc. |
| ABM Equipment, LLC |
| Abrasives Inc |
| Ackerman-Estvold |
| Adaptor Inc. |
| Advanced Drainage Systems |
| Advanced Microbial Solutions |
| Advanced Pump & Equipment, Inc. |
| AE2S |
| Aeration Industries International |
| Airvac |
| Alden Pool & Municipal Supply C. and Hi-E-Drystore.com, |
| Alliance for PE Pipe |
| American AVK |
| American Flow Control |
| American Pipe |
| American Structures, Inc |
| Apex Drainage LLC |
| Apex Engineering Group |
| Aquapro |
| Arntson Stewart Wegner PC |
| Automatic Systems Co. |
| Avista Technologies |
| AY McDonald Mfg. Co. |
| Backflow Prevention Services, LLC |
| Badger Meter, Inc. |
| Baker Manufacturing Company LLC |
| Barr Engineering |
| Bartlett & West |
| Base Utilities Inc. |
| BEK Consulting |
| Bio Resource Services |
| Biobridge |
| Bismarck State College |
| Black Mountain Software, Inc. |
| Bollig, Inc. |
| Bolton & Menk, Inc. |
| Border States Electric |
| Brosz Engineering |
| Burian & Associates |
| Butler Machinery Company |
| C. Emery Nelson, Inc. |
| Calibration and Controls, INC. |
| Carstensen Contracting, Inc. |
| Carus |
| CC Steel |
| CIP Construction Technologies, Inc. |
| Circle Control Systems |
| Cla-Val Company |
| Clark Engineering Corp |
| Classic Protective Coatings |
| Clow Valve Company |
| Coating Resources, Inc. |
| CoBank |
| Connecting Point A Twotrees Company |
| Connole & Sumerville Plumbing |
| Copperhead Industries, LLC |
| Core and Main |
| Cretex |
| CUES, Inc. |
| Cummins Inc. |
| Dakota Pump & Control Co Inc. |
| Dakota Pump, LLC |
| Dakota Supply Group |
| Dakota Water Conditioning |
| DGR Engineering |
| DHP Training |
| Ditch Witch of North Dakota |
| DN Tanks |
| Ductile Iron Pipe Research Association |
| EJ |
| Electric Pump, Inc |
| Elevated Welding Service, LLC |
| Ellingson Drainage |
| Energy Laboratories Inc |
| Engineered Fluid, Inc |
| Engineered Sales Co. |
| Ess Brothers and Sons Inc |
| Eulls Manufacturing LLC |
| Fergus Power Pump, Inc. |
| Ferguson Waterworks |
| Fischer, Harris & Associates |
| FLEXIBLE Pipe Tools & Equipment |
| Floorcoat Midwest LLC |
| Flow Control Automation |
| Flow Measurement & Control |
| Flowpoint Environmental |
| Ford Meter Box Company |
| Fougner Engineered Solutions |
| Fracta Inc. |
| Frontier Precision, Inc. |
| Garrison Diversion Conservancy District |
| General Repair Service |
| Goodin Company |
| GPM Solutions Driven |
| Granse/Trio Sales LLC |
| Great Northern Environmental |
| Great Plains Structures |
| Great Plains Tower Products |
| GS PlantOptics |
| H & H Coatings, Inc. |
| Hach |
| Harco Fittings |
| Harrington Industrial Plastics |
| Hawkins Inc. |
| HDR, Inc. |
| Hi-Line Electric |
| High Country Fusion |
| Hiperline |
| HK Solutions Group |
| Hobas Pipe USA, Inc. |
| Hose Solutions, Inc |
| Hotsy |
| Houston Engineering, Inc. |
| Hyalite Engineers, PLLC |
| Hydranautics |
| Hydro-Klean |
| HydroCorp, Inc. |
| Ideal Service, Inc. |
| In Control, Inc. |
| Innovative Foundation Support Works |
| Innovative High Performance Coatings |
| Insituform Technologies USA, LLC |
| Integrated Process Solutions, Inc. |
| International Water Institute |
| Interstate Engineering Inc |
| Interstate Power Systems |
| Isco |
| IXOM |
| Jasper Engineering & Equipment Company |
| Jet Line Sales and Service |
| Jetway Multiple Services, Inc. |
| Jim Jolly Sales |
| Johnson Jet-Line |
| Kamstrup Water Metering |
| Kemper Construction Co. |
| Kennedy Valve |
| Kjelland Excavation |
| KLJ |
| KLM Engineering, Inc. |
| Kodru-Mooney |
| Kris-Tech |
| L&K Electric, an Expanse Company |
| Ladtech |
| Lake Agassiz Water Authority |
| Larson Data Communications, Inc. |
| Leak Locators of Montana |
| Liquidtek LLC |
| Locators & Supplies, Inc. |
| LRE Water |
| LTP Enterprises Inc. |
| Maguire |
| Maguire Iron |
| Malloy |
| Marc Chemical |
| Marsh McLennan Agency |
| Master Meter, Inc |
| McWane Ductile |
| Metcalf Archaeological Consultants, Inc. |
| Metering & Technology Solutions |
| Metron Farnier |
| Micro-Comm, Inc. |
| Mid-America Meter, Inc. |
| Midco Diving & Marine Services, Inc. |
| Milbank Winwater Works |
| Miller Mechanical Specialties |
| Minnesota Pump Works |
| Missouri River Joint Water Board |
| MNX Inc |
| Moore Engineering, Inc. |
| Mueller Technology |
| Mueller-Sioux Falls |
| Mueller-South Haven |
| Munibilling |
| Municipal Service Co., Inc. |
| MVTL Laboratories, Inc |
| Naastad Brothers, Inc. |
| NBS Calibrations |
| ND League of Cities |
| ND One Call |
| ND Public Finance Authority |
| ND Sewage Pump & Lift Station Service Co. |
| ND Water Education Foundation |
| Neptune Technology Group |
| Nicor, Inc |
| NorMont Equipment Company |
| Northern Dewatering Inc. |
| Northern Pipe Products, Inc |
| NorthStar Plumbing & Drain Cleaning |
| Northwestern Power Equipment Co., Inc. |
| Ohnstad Twichell, P.C. |
| PACE |
| Paxxo |
| Pipe Detectives Inc |
| Pittsburg Tank & Tower Maintenance Company, Inc |
| Power Process Equipment Inc. |
| PowerSeal Pipeline Products |
| Preferred Controls, Inc. |
| Preload, LLC |
| Premier Materials Technology |
| Presort Plus, LLC |
| Primex (SJE, Inc) |
| Prinsco, Inc. |
| Pro Forms |
| Puklich Chevrolet, Inc. |
| Pure Water Solutions |
| Quality Control & Integration |
| Quality Flow Systems Inc |
| Rain for Rent |
| Range Data Inc. |
| RDO Equipment Co |
| Red Flint Sand & Gravel |
| Rehau |
| Rice Lake West |
| RMB Environmental Laboratories, Inc. |
| Romac Industries |
| Rural Water Financing Agency |
| Safe-Fast, Inc. |
| Sambatek |
| Schwing Bioset |
| Sensus USA |
| Share Corporation |
| Sherwin Williams |
| Short Elliot Hendrickson, Inc |
| Sigma Corporation |
| Sioux Valley Environmental |
| SJE - NOT A MEMBER - CHANGED TO PRIMEX |
| Soderholm & Associates |
| SRS Crisafulli, INC |
| Steady State LLC |
| Stenner Pump Company |
| Strike Products, Inc |
| Strike Tool, Inc |
| Subsurface Solutions |
| Subsurface, Inc |
| Suez Advanced Solutions CHANGED TO USG WATER |
| Sundre Sand & Gravel |
| Superior Grain Equipment |
| Swanberg Construction |
| Swanson Flo-Systems |
| SwedeBro |
| Sweeney Controls Company |
| Tank Maintenance Solutions |
| TCIC Inc. |
| Team Laboratory Chemical |
| Tech Sales Company |
| Telemetry and Process Controls, Inc. |
| Terracon Consultants |
| Thein Well Company, Inc. |
| Thul Specialty Contracting, Inc. |
| Titan Machinery |
| Titus Wastewater Solutions Inc. |
| TMI Coatings, Inc. |
| Tomcat Consultants, LLC/TAP Co |
| Tonka Water, a Kurita brand |
| Total Energy Systems, LLC. |
| Traut Companies |
| Treatment Resources, Inc. |
| Tri-State Coatings |
| Tri-State Pump & Control Inc |
| TW Enterprises, Inc. |
| Ulteig Engineers |
| Underground Solutions |
| Uni-Bell PVC Pipe Association |
| Unique Paving Materials Corp. |
| USABLUEBOOK |
| USG Water Solutions |
| Utility Logic |
| Veit & Company, Inc. |
| Vessco, Inc. |
| Victaulic |
| Visu-Sewer, Inc. |
| VTScada |
| W.W. Goetsch Associates, Inc. |
| Wagner Construction, Inc. |
| Water Conservation Services - WCS Leak Detection |
| Water Smith Inc |
| Water Tower Clean & Coat, Inc. |
| WaterSurplus |
| Wells Concrete |
| Widmer Roel |
| WiDSETH |
| Wigen Companies, Inc. |
| William E Young Co |
| Wold Engineering |
| Worley Marketing Group |
| WSB & Associates |
| WSP |
| Yellowstone Waterworks |