| ABB | http://www.abb.com/ |
| Aclara (DCSI TWACS) | http://www.aclaratech.com/ |
| Albeado | http://www.albeado.com/ |
| Alstom Grid | http://www.alstom.com/ |
| ATS | http://www.ats.coop/ |
| Autodesk | http://usa.autodesk.com/ |
| C3-Ilex | http://www.c3ilex.com/ |
| Capricorn Systems, Inc. | http://www.capricornsys.com/ |
| Central Service Association | http://www.csa1.com/ |
| CGI | http://www.cgi.com/ |
| Cigital | http://www.cigital.com/ |
| Clevest Solutions | http://www.clevest.com/ |
| Cognizant Technology Solutions India | http://www.cognizant.com/ |
| Cooper Power Systems | http://www.cannontech.com/ |
| Cooperative Fusion, LLC | http://cooperativefusion.com/ |
| Cooperative Response Center | http://www.crc.coop/ |
| Cornice Engineering, Inc. | http://www.corniceengineering.com/ |
| Daffron | http://www.daffron.com/ |
| EFACEC (Advanced Control Systems) | http://www.efacec-acs.com/ |
| ElectSolve Technology Solutions & Services | http://www.electsolve.com/ |
| Elster Integrated Solutions | http://www.elster-eis.com/ |
| eMeter | http://www.emeter.com/ |
| EnerNex | http://www.enernex.com/ |
| Enspiria Solutions | http://www.enspiriasolutions.com/ |
| EPRI | http://my.epri.com/ |
| ESRI | http://www.esri.com/ |
| Exceleron Software | http://www.exceleron.com/ |
| GeoDigital Solutions, formerly Powel, Inc. | http://www.geodigital.com |
| Green Energy Corp. | http://www.greenenergycorp.com/ |
| Guiding Principle | http://www.guiding-principle.com/ |
| Harris Computer Systems | http://www.harriscomputer.com/ |
| Harris Computer Systems - Advanced Utility Systems | http://www.advancedutility.com/ |
| Harris Computer Systems - Cayenta | http://www.cayenta.com/ |
| Harris Computer Systems - Cogsdale | http://www.cogsdale.com/ |
| Harris Computer Systems - MeterSense | http://www.northstarutilities.com/metersense/ |
| Harris Computer Systems - NorthStar Utility Solutions | http://www.northstarutilities.com/ |
| Harris Computer Systems - Systems & Software | http://www.systemsandsoftware.net/ |
| Home Grown Business Integrations | |
| Insight Mobile Data | http://www.mds-inc.com/ |
| KamTech Systems | http://www.kamtechsystems.com |
| KASmith Group | |
| KRB Applied Sciences | http://www.krbappliedsciences.com/index.htm |
| Landis + Gyr | http://www.landisgyr.com/NA/ |
| Lockheed Martin | http://www.lockheedmartin.com/index.html |
| MelTran, Inc | http://www.meltran.com/ |
| Milsoft | http://www.milsoft.com/ |
| Mueller Systems, Inc. | http://www.muellersystems.com/ |
| NISC | http://www.nisc.cc/ |
| NRTC | http://www.nrtc.org/ |
| Open Access Technology International | http://www.oati.com/ |
| Open Systems International | http://www.osii.com/ |
| Oracle | http://www.oracle.com/ |
| OSIsoft | http://www.osisoft.com/ |
| Papros Inc. | http://www.papros.com/ |
| Partner Software | http://www.partnersoft.com/ |
| Pedigree Technologies | http://www.pedigreetechnologies.com/ |
| Power System Engineering (PSE) | http://www.powersystem.org/ |
| Professional Computer Systems (PCS) | http://www.pcsco.com/ |
| Pyramid Communications | http://www.pyramidcomm.com/ |
| QEI | http://www.qeiinc.com/ |
| Quality Logic | http://www.qualitylogic.com/ |
| R. W. Beck, Inc. (SAIC) | http://www.saic.com/ |
| Safe Software | http://www.safe.com/ |
| SageQuest | http://www.sage-quest.com/ |
| SEDC | http://www.sedata.com/ |
| Sensus | http://www.sensus.com/ |
| Siemens | http://www.siemens.com/ |
| Smart Grid CIS | http://www.smartgridcis.com/ |
| SmartSynch, Inc. | http://www.smartsynch.com/ |
| Spatial Network Solutions | http://www.spatialnet.net/ |
| STAR Energy Services (MN) | http://www.star-energy.com/ |
| Survalent Technologies | http://www.survalent.com/ |
| Symbiosa, Inc. | www.symbiosa.com |
| Synaptitude | http://www.synaptitudeconsulting.com/ |
| Tantalus | http://tantalus.com/ |
| Telogis | http://www.telogis.com/ |
| Tracciare Inc. | http://www.tracciare.us/ |
| Trilliant | http://www.trilliantinc.com/ |
| Trimble | http://www.trimble.com/ |
| UISOL | http://uisol.com/ |
| Utility Associates | http://www.utility.com/ |
| Wireless Matrix | http://www.wrx-us.com/ |
| Xtensible Solutions | http://www.xtensible.net/ |