Below is a list of companies that attending Solar Power Northeast 2019 (as of 1/16/19).
| 1959 |
| 4E-Eagle Electric Engineering |
| 603 Solar LLC |
| AB |
| ABB, Inc. |
| Acuity Power Group, Inc. - Exhibitor |
| Alencon Systems - Exhibitor |
| Algorithm Law PC |
| All Energy Solar |
| AllEarth Renewables - Exhibitor |
| Allied Building Products Corp. - Exhibitor |
| AlsoEnergy Inc - Exhibitor |
| Amp |
| Ampion, Inc. |
| Anchor Products |
| AP Alternatives - Exhibitor |
| APsystems - Exhibitor |
| ARC Design & Consulting, LLC - Exhibitor |
| Arizona State University |
| Astronergy |
| Atwell |
| Aurora Solar Inc. - Exhibitor |
| Avangrid Renewables |
| Axitec USA - Exhibitor |
| Baja Carports - Exhibitor |
| Baja Construction Co., Inc. |
| BayWa r.e. Solar Systems LLC - Exhibitor |
| Benjamin Media |
| Bentley |
| Birch Tree Capital, LLC |
| BlueWave Solar - Exhibitor |
| Bores Property Services |
| Borrego Solar |
| Boston Private Bank & Trust Co |
| Boston University |
| BOW Renewables, LLC |
| Boyle Associates |
| Brooklyn Solar Canopy Co - Exhibitor |
| Brown & Brown |
| Burlington Electric Department |
| Burndy, LLC - Exhibitor |
| C&S Engineers, Inc. |
| C2 Energy Capital |
| California Fuel Cell Partnership - Exhibitor |
| Canadian Solar USA Inc. - Exhibitor |
| Carbon Radio |
| CEA |
| CED Greentech - Exhibitor |
| Certified Safe Electric, Inc |
| ChargEVC - Exhibitor |
| Chem Link - Exhibitor |
| Chint Power Systems America Co - Exhibitor |
| Cianbro |
| Citizens Energy |
| Civic Solar |
| Clean Energy Associates |
| Clean Energy Collective |
| Clean Energy NH |
| Clean Power Research |
| CleanCapital |
| CleanChoice Energy |
| Clocktower Tax Credits,LLC |
| Con Edison Solutions |
| Conti Solar |
| Control Point Associates Inc |
| Convert Solar |
| Core Energy Works |
| Cotherm North America |
| CT Fund for the Environment |
| CT Green Bank |
| C-TEC Solar - Exhibitor |
| Current Renewables Engineering |
| Customers Bank |
| Customized Energy Solutions |
| CVE North America, Inc. |
| CWS |
| DC Energy Innovations, Inc. |
| DCE Solar |
| DIN Engineering Services LLP - Exhibitor |
| DOABA ELECTRICAL & MECHANICAL |
| Durham Commercial Capital Corp |
| Dynamic Energy |
| DynoRaxx - Exhibitor |
| Eaton - Exhibitor |
| Ecolibrium Solar |
| Elgin Energy |
| ELSE ENERJI |
| Empower Energies |
| Encore Renewable Energy |
| Enel X - Exhibitor |
| EnergeiaWorks |
| Energy Emporium |
| Energy New England |
| Energy Toolbase LLC - Exhibitor |
| EnergyBin - Exhibitor |
| EnergySage |
| Enertis Solar |
| EnterSolar |
| Ernst Pollinator Service A Division Of Meadville Land Service Inc. - Exhibitor |
| ETM Solar Works |
| Everest Solar Systems - Exhibitor |
| Eversource |
| FCX Solar |
| Fisher Associates PE LS DPC |
| Flonium |
| Florence Electric |
| Foley Hoag LLP |
| Folsom Labs - Exhibitor |
| Fortress Power - Exhibitor |
| Fortune Energy - Exhibitor |
| Fraunhofer CSE - Exhibitor |
| Freyr Energy |
| Fronius USA, LLC - Exhibitor |
| Fuqua School of Business |
| GAF Materials, LLC |
| GameChange Solar |
| Ginlong Technologies |
| GLC |
| GLD |
| GoldenSet Capital |
| GP JOULE - Exhibitor |
| GP JOULE PV Canada Corp. |
| Green City Force |
| Green Lantern Solar |
| Green Mountain Electric Supply - Exhibitor |
| Green Mountain Power |
| Greenskies Renewable Energy |
| Greenwood Energy |
| Hanwha Q CELLS America Inc. - Exhibitor |
| Heliolytics |
| Hexagon Energy |
| Holden Municipal Light Depart |
| HSB |
| HTI |
| Humless - Exhibitor |
| Hunt Green & Hunt Wines |
| IGS Energy |
| Ingeteam Inc |
| Invaleon Solar Technologies - Exhibitor |
| Invenergy LLC |
| IronRidge - Exhibitor |
| ISO New England |
| JinkoSolar U.S. |
| K CORP - Exhibitor |
| Kashir Traders |
| KB Racking |
| Kenyon Energy LLC |
| Kevala Analytics - Exhibitor |
| Key Equipment Finance |
| KEY SOLAR |
| Kong USA, LLC - Exhibitor |
| Krannich Solar USA - Exhibitor |
| Kupper Engineering, Inc. |
| L&G SUPPLIERS |
| Landmark Dividend |
| Leoch Battery Corporation |
| Live Oak Bank |
| Longroad Energy |
| M Bar C Construction - Exhibitor |
| M&T Bank |
| MA Dept of Energy Resources |
| MA DPU |
| Macquarie |
| Mahoney Sabol & Company, LLP |
| Massachusetts Clean Cities |
| Massachusetts Clean Energy Center - Exhibitor |
| Massachusetts DPU |
| Massachusetts Hydrogen |
| McCauley Lyman LLC - Exhibitor |
| Meadville Land Service Inc. |
| Midnite Solar - Exhibitor |
| Mission Solar Energy - Exhibitor |
| MMWEC |
| Moore Energy |
| Mosaic |
| My Generation Energy |
| NABCEP - Exhibitor |
| National Roofing Partners |
| Navisun LLC |
| Nclave US |
| NEI Energy |
| NEO Virtus Engineering/Day Ahead Instrumentation - Exhibitor |
| Neurio Technology Inc - Exhibitor |
| New Energy Equity |
| New England Clean Energy |
| New England Unmanned Aerial Services - Exhibitor |
| NextEra Energy Resources |
| NextPath Solar |
| Nikola Power |
| Nine Fasteners, Inc. - Exhibitor |
| Northeast Clean Energy Council |
| Northeast Solar |
| Nuance Energy Group, Inc. - Exhibitor |
| NV5 |
| OMCO Solar - Exhibitor |
| Onsite Solar |
| Onyx Renewable partners LP |
| OutBack Power Systems, Inc. |
| OutBack Power Technologies |
| Palestinian energy authority |
| Palmer Capital |
| Panasonic Eco Solutions - Exhibitor |
| PanelClaw, Inc |
| Paradise Energy Solutions |
| PCI Solar |
| PCL Construction Enterprises I |
| Peck Solar |
| Pegasus Solar |
| Penn Fusion Engineering LLC - Exhibitor |
| Pennoni Associates |
| Peregrine Renewable Energy |
| Pfalzsolar GmbH |
| Pika Energy - Exhibitor |
| Pine Gate Renewables |
| PJM Interconnection |
| Poly-Tex, Inc. - Exhibitor |
| PowerHawke, Inc. |
| Powersmiths International |
| Preformed Line Products - Exhibitor |
| PV Evolution Labs PVEL |
| PV Magazine USA |
| QE Solar |
| Quantum Technology Consulting |
| Racepoint Energy LLC |
| Rath Young & Pignatelli |
| RBI Solar, Inc. - Exhibitor |
| Reneu Energy |
| Renewable Energy Fund |
| RES |
| RevoluSun |
| RLC Engineering, LLC - Exhibitor |
| Roblin Insurance |
| RockBridge Energy, LLC |
| Rodman CPAs - Exhibitor |
| Rolls Battery Engineering - Exhibitor |
| Russelectric Inc. - Exhibitor |
| Seminole Financial Services |
| Sky Solar |
| SMA America, LLC |
| Smart Electric Power Alliance (SEPA) - Exhibitor |
| SnapNrack - Exhibitor |
| Sol Systems LLC |
| SolaBlock |
| Solar Connections International - Exhibitor |
| Solar Design Associates |
| Solar Energy Industries Association (SEIA) - Exhibitor |
| Solar FlexRack |
| Solar Store of Greenfield |
| SolaRack - Exhibitor |
| SolarBOS - Exhibitor |
| SolarEdge Technologies - Exhibitor |
| Solaria |
| Solar-Log - Exhibitor |
| Solect Energy - Exhibitor |
| Solectria |
| Solstice |
| Soltage |
| Soltection by Vynckier - Exhibitor |
| SOLV |
| South Mountain Company |
| Southern Sky Renewable Energy |
| SRECTrade, Inc. |
| Standard Solar |
| Sterling Municipal Light Depar |
| Stoneacre Energy Solutions |
| Storage Power Solutions |
| Sun Action Trackers LLC - Exhibitor |
| SunBug Solar |
| SunCommon |
| Sunfox Capital |
| SunModo - Exhibitor |
| SunRaise Investments LLC |
| Sunrun |
| Sunwealth |
| Sun-Wind Solutions |
| Sustainable Capital Finance |
| Sustainable Energy Advantage |
| SWEB Development USA, LLC |
| Swinerton Renewable Energy/SOLV - Exhibitor |
| Synergy Solar Inc. |
| Taunton Municipal Light Plant |
| TECTONIC - Exhibitor |
| TerraGen Solar - Exhibitor |
| TerraSmart - Exhibitor |
| Tetra Tech |
| The Solar Foundation |
| TMEIC Corporation |
| TRC - Exhibitor |
| Trina Solar Energy Co, Ltd. |
| Trojan Battery Company - Exhibitor |
| Union of Concerned Scientists |
| Unirac, Inc. |
| Univest Capital |
| US Renewable Solutions - Exhibitor |
| Valley Solar LLC |
| Vikram Solar USA, Inc. - Exhibitor |
| VISTRA ENERGY CORPORATION |
| Vivint Solar |
| WALLNER EXPAC |
| Wanzek Construction |
| Webster Bank |
| WESCO Distribution, Inc. |
| WK Traders |
| Wood Mackenzie |
| World Energy |
| Wunder |
| Wunder Capital |
| Yaskawa Solectria Solar - Exhibitor |
| Zilla Corporation - Exhibitor |