| District Heating |
| Niagara Blower Co. | http://www.niagarablower.com |
| District Heating |
| Schutte & Koerting | http://www.s-k.com |
| District Heating |
| Stork H&E Turbo Blading Inc. | http://www.he-machinery.com |
| District Heating |
| TurboCare Inc. | http://www.turbocare.com |
| Gas Turbines | Industrial | Solar Turbines Inc. | http://www.solarturbines.com |
| Gas Turbines |
| Gas Turbines International LLC | http://www.gti-power.com |
| High-Head |
| Hartvigsen-Hydro | http://www.h-hydro.com |
| High-Head |
| Sierra Solar Systems | http://www.sierrasolar.com |
| High-Head |
| Southwest Windpower | http://www.windenergy.com |
| High-Head |
| The Boeing Co. | http://www.boeing.com/ |
| Low-head |
| Big Frog Mountain Corp. | http://www.bigfrogmountain.com |
| Low-head |
| GE Energy | http://www.gepower.com |
| Low-head |
| Hartvigsen-Hydro | http://www.h-hydro.com |
| Low-head |
| Ocean Renewable Energy Systems Corp. | http://www.orescorp.com |
| Low-head |
| Southwest Windpower | http://www.windenergy.com |
|
| Aaron Equipment Companies | http://www.aaronequipment.com |
|
| Base e | http://www.base-e.net |
|
| Belyea Co. Inc. | http://www.belyeapower.com |
|
| California Power Partners Inc. - Calpwr | http://www.calpwr.com |
|
| Cominter Corp. | http://www.cominter.net |
|
| Compressor Controls Corp - CCC | http://www.occglobal.com |
|
| Continental Field Machining Co. and VR-Tesco | http://www.globalfield.net |
|
| Environmental Power Corp. | http://www.environmentalpower.com |
|
| Everest Sciences Inc. | http://www.everestsciences.com |
|
| Gas Turbines International LLC | http://www.gti-power.com |
|
| International Power Machinery Corp. | http://www.intlpwr.com |
|
| LPP Combustion LLC | http://www.lppcombustion.com
|
|
| Northwest Datacom & Power | http://www.nwdatacom.com
|
|
| Precision Combustion Inc. | http://www.precision-combustion.com |
|
| Solar Turbines Inc. | http://www.solarturbines.com |
|
| Turbologistics Inc. | http://www.turbologistics.com |
|
| Zilkha Biomass Energy LLC | http://www.zilkhabiomass.com |
|
| Advanced Combustion Technology Inc. | http://www.gasturbinerepair.com |
|
| Advanced Turbine Products LLC | http://www.advancedturbineproducts.com |
|
| Aeroderivative Gas Turbine Support Inc. | http://www.agtsi.com |
|
| Alpha Energy | http://www.alpha.com |
|
| American Moistening Co. | http://www.amco.com |
|
| ANTONI International Inc. | http://www.antoni-intl.com |
|
| Aviation Power & Marine Inc - AP&M | http://www.apm4parts.com |
|
| Bachmann Industries Inc. | http://www.bachmannusa.com |
|
| Base e | http://www.base-e.net |
|
| Belyea Co. Inc. | http://www.belyeapower.com |
|
| Blade Runner Turbomachinery Services LLC | http://www.bladerunnerturbo.com |
|
| Burns & McDonnell | http://www.burnsmcd.com |
|
| California Power Partners Inc. - Calpwr | http://www.calpwr.com |
|
| Capstone Turbine Corp. | http://www.microturbine.com |
|
| Caterpillar Inc. | http://www.cat-electricpower.com |
|
| Continental Field Systems Inc. - CFS | http://www.continentalfield.com |
|
| DE Solutions Inc. | http://www.de-solutions.com |
|
| Deltak LLC | http://www.deltak.com |
|
| Elliott Energy Systems Inc, Elliott Microturbines Div | http://www.elliottmicroturbines.com |
|
| Empire Electric Co. Inc. | http://www.empireelectric.com |
|
| EnviroTech Financial Inc. | http://www.effinancial.com |
|
| Everest Sciences Inc. | http://www.everestsciences.com |
|
| Flow Systems Inc | http://www.flowsystemsinc.com |
|
| Gas Turbines International LLC | http://www.gti-power.com |
|
| Harco | http://www.hapco.com |
|
| Hitec Corp. | http://www.hitecorp.com |
|
| Huffman Corp. | http://www.huffmancorp.com |
|
| Ingersoll-Rand | http://www.irenergysystems.com |
|
| International Power Machinery Corp. | http://www.intlpwr.com |
|
| Kawasaki Gas Turbines | http://www.kawasakigasturbines.com |
|
| LPP Combustion LLC | http://www.lppcombustion.com
|
|
| MAN Turbo Inc. USA | http://www.manturbo.com |
|
| Mee Industries Inc. | http://www.meefog.com |
|
| Niagara Blower Co. | http://www.niagarablower.com |
|
| Oakridge Bellows | http://www.oakridgebellows.com |
|
| Ormat Nevada Inc. | http://www.ormet.com |
|
| Pacific Power Solutions Inc - PPS | http://www.pacificpower.com/ |
|
| PCC Structurals Inc. | http://www.pcc-structurals.com |
|
| Precision Combustion Inc. | http://www.precision-combustion.com |
|
| Rotating Machinery Services Inc. | http://www.rotatingmachinery.com |
|
| Solar Turbines Inc. | http://www.solarturbines.com |
|
| Stein Seal Co. | http://www.steinseal.com |
|
| Stork H&E Turbo Blading Inc. | http://www.he-machinery.com |
|
| Sulzer Hickham Inc, Administration Div | http://www.sulzer.com/ |
|
| The Boeing Co. | http://www.boeing.com/ |
|
| Turbine Engine Components Technologies Corp. - TECT | http://www.tectcorp.com |
|
| Turbine Technology Services Corp. | http://www.turbinetech.com |
|
| TurboCare Inc. | http://www.turbocare.com |
|
| Turbologistics Inc. | http://www.turbologistics.com |
|
| Tuthill Energy Systems | http://www.tuthillenergy.com |
|
| Vericor Power Systems Inc. | http://www.vericor.com |
|
| Wilson TurboPower Inc. | http://www.wilsonturbopower.com |
|
| Clean Energy Group - CEG | http://www.cleanegroup.org |
|
| Synergy California LP | http://www.synergyii.com |
|
| Verdant Power | http://www.verdantpower.com |
|
| Clean Energy Group - CEG | http://www.cleanegroup.org |
|
| Synergy California LP | http://www.synergyii.com |
|
| Verdant Power | http://www.verdantpower.com |