Below is a list of companies that are attending the in-person expo hall at RE+ Northeast 2023.
| 42 Renewables LLC |
| Abaad Contracting Company |
| AC Power, LLC |
| Acentech |
| Admir Popa |
| Advanced Power Services (na) Inc. |
| Advanced Solar Products, Inc. |
| AEE Solar |
| AES Clean Energy |
| Ameresco, Inc. |
| Ampion |
| Antenna Group |
| APA Solar Racking |
| APsystems |
| Argo Energy |
| Aria Energy Solutions |
| ARM Group |
| Array Technologies, Inc. |
| AUI Partners |
| Avalontec |
| Avangrid |
| Azure Drone Inc |
| Azure Services |
| Babst Calland |
| BerryDunn |
| Best Energy Power |
| BGMG Enterprises, LLC |
| Biodiversity Research Institute |
| Bird Control Advisory |
| Bird Control Group |
| BL Companies |
| Blattner Company |
| Blue Light Energy LLC |
| Blue Planet Energy |
| BluePath Finance |
| BMR Energy |
| Bond Civil & Utility Construction, Inc. |
| Branch Renewable Energy |
| BRIGGS & STRATTON ENERGY SOLUTIONS |
| Briggs & Stratton Energy Solutions |
| CAC Specialty |
| Cambridge Trust Company |
| Capital Electric |
| Castillo Engineering |
| CCL |
| Clarke Energy, A KOHLER Company |
| CleanCapital |
| Cleanwatts |
| ClearPath Energy |
| Coast Energy |
| Colliers Engineering & Design |
| Columbia Construction Company |
| Competitive Power Ventures |
| Con Edison Clean Energy Businesses Inc |
| Convergent Energy and Power |
| Cordelio Power |
| Core States Group |
| Cornerstone Energy Services, Inc. |
| Cove Energy LLC |
| Coyote Group LLC |
| CPower Energy Management |
| Dantherm Cooling |
| Davis Hill Development |
| Day Ahead Instrumentation, LLC |
| Demeter Land Devlopments |
| Distributed Solar Development |
| Donahue & Sons Mgmt Inc. |
| Dyna Electric |
| EcoFasten |
| Ecogy Solar |
| EDF Renewables |
| Edgecom Energy |
| Edgeli, Inc. |
| EDP Renewables North America |
| EDPR North America |
| Electriq Power |
| EMerge Alliance |
| Empower Energies Clean Infrastructure LLC |
| EN Engineering / ENTRUST Solutions Group |
| Endeavor Business Media - Energy Group |
| EnergeiaWorks |
| Energize Ventures |
| Energy Circle |
| Energy Systems Group |
| Energy Transfer Services |
| EnergySage |
| ENGIE North America |
| Environ Energy |
| Eos Energy Enterprises |
| Eos Energy Storage |
| EVLO Energy Storage |
| Firetrace International |
| Fisher Associates |
| FliteWorks |
| FLT |
| Flycatcher LLC |
| Fortress Power |
| Freedom Energy Logistics |
| FuelCell Energy Inc. |
| Fulcrum3D |
| GEI Consultants |
| Generac Clean Energy Solutions |
| Genie Solar Energy |
| Get PEYD / Rewards+ |
| GoodWe USA |
| Green Bridge Corporation |
| Green Leaf Roofing |
| Greenleaf Energy Solutions |
| Greenskies Clean Energy |
| Greenstruxure, a Schneider Electric JV company |
| Greenvolt Power USA, Inc. |
| HDR, Inc |
| health Care |
| Heila Technologies |
| Heliene Inc. |
| HESCO |
| Hifadhi Solar |
| Home, Building & Utility Systems |
| Hubbell / Burndy |
| Ignite Renewable Capital LLC |
| IGS Solar |
| Inclusive Prosperity Capital |
| Indent Builders |
| Industria Engineering |
| Ingeteam Inc |
| Inxeption |
| Ion Solar Pros |
| JEPIC-USA |
| JJ Shamon |
| Jones Contractors, Inc. |
| Jones Power, LLC |
| K2 Systems, LLC |
| Kendall Sustainable Infrastructure |
| Kimley-Horn |
| Kinematics |
| Kleinfelder |
| Kupper Engineering, LLC An Asplundh Engineering Company |
| LaBella Associates |
| LandSolutions Intl. Inc. |
| LG Electronics U.S.A. |
| LIFTE H2 |
| Lindsay Precast |
| Lodestar Energy |
| Loveland Innovations |
| Lumin |
| Luminace by Brookfield Renewable |
| Mahoney Sabol & Company, LLP |
| MassAmerican Energy |
| Mayfield Renewables |
| MB Energy Partners |
| McCauley Lyman LLC |
| Meridian Associates, Inc. |
| MFS Investment Management |
| Mission Solar Energy |
| Monarch Vegetation Services, Inc. |
| Monroe Titan |
| Mosaic |
| MPI Narada |
| NABCEP |
| National Grid (US) |
| National Roofing Partners |
| NEP |
| New Leaf Energy |
| New York Power Authority |
| Newport Solar |
| NextGrid Inc |
| NJR Clean Energy Ventures |
| NorthEast Electrical |
| Norwich Public Utilities |
| Norwich Solar Technologies |
| Nuance Energy Group Inc. |
| NY-BEST |
| OMCO Solar |
| Omnidian |
| OneEnergy Renewables |
| Onyx Renewable Partners L.P. |
| Outback Power an EnerSys company |
| Ozone Renewables |
| Oztek Corp |
| Panasonic Eco Systems of North America |
| PanelClaw, Inc. |
| Paradise Energy Solutions |
| Patriot Renewable Energy Capital |
| Peak Power |
| Peregrine Renewable Energy |
| Pfister Energy |
| Pope Energy |
| PowerHub |
| ProStar Energy Solutions |
| PWR Energy Storage |
| Pylon Technologies Co., Ltd. |
| Pylontech |
| Qcells |
| QE Solar |
| Quest Renewables |
| Rath Young & Pignatelli |
| Redaptive, Inc. |
| Renewable Energy Vermont |
| Renewable Energy World |
| Renua Energy, Inc |
| RESA Power |
| RIC Development, LLC |
| Ridgeback Solar LLC |
| RLC Engineering |
| Roof Tech, Inc. |
| Rystad Energy |
| S-5! Metal Roof Innovations, Ltd |
| Scale Microgrids |
| Scanifly |
| Schneider Electric |
| Schwerd Consulting |
| SEARCH Inc |
| Seminole Financial Services |
| Silfab Solar |
| SiteQuest Services LLC |
| Skyline Solar |
| Skyward Specialty Insurance Company |
| SMA America, LLC |
| Smart Electric Power Alliance (SEPA) |
| SmartFlower Solar LLC |
| Snake Tray, Cable Management Solutions |
| SnapNrack |
| SOCOMEC |
| Solar Foundations USA |
| Solar Energy Industries Association (SEIA) |
| Solar Landscape LLC |
| Solar One |
| Solar Site Developers, LLC |
| Solar Support |
| SolarEdge Technologies Inc. |
| Solaria Corporation HQ |
| SolarKal |
| SolBid, Inc. |
| Soligent |
| Solis Inverters |
| South Mountain Company |
| Southwire |
| SPAN |
| Spatially Sage |
| Stem |
| Stewart Title Guaranty |
| Sundog Solar LLC |
| Sungage Financial |
| Sungrow USA Corporation |
| Sunlight Financial |
| Sunnova Energy Corporation |
| Sunrun |
| Sunstone Credit |
| Sunup Solar |
| Superior Glove |
| Surety Bond Professionals |
| Sustainable Energy Advantage |
| Sustainable Strategies 2050 |
| TECTONIC |
| Terracon Consultants, Inc. |
| TerraGen Solar |
| Tetra Tech |
| Tetra Tech, Inc. |
| The Okonite Company |
| The Wesson Group |
| The Wishcamper Companies, Inc. |
| TR CONSULTING |
| Trail Battery & Solar |
| Trimark Associates |
| Trina Solar |
| TRUE GREEN CAPITAL MANAGEMENT |
| Ulteig |
| UMass Lowell |
| Unirac, Inc |
| United Civil |
| University of Massachusetts Lowell |
| Univix Power Solutions |
| Upside Energy Partners |
| Urban Electric Power |
| US Renewable Solutions |
| Valmont Solar |
| Valta Energy |
| Vineyard Solar |
| Walden Renewables Development LLC |
| WARTSILA |
| Wellington Management |
| WestShore Design Engineers |
| Williams Forestry & Associates |
| WORD Rock Drills |
| WSP |
| YAK ACCESS |
| Yaskawa |