Below is a list of companies that attended the in-person expo hall at RE+ Northeast 2022.
| 174 Power Global |
| Above Grid Solar |
| AboveGRID |
| AC Power LLC |
| Acadia Center |
| Accurate Electric LLC |
| Advantech Corporation |
| AES Clean Energy |
| Affordable Solar |
| Aligned Climate Capital |
| Allen & Overy LLP |
| All-Points Technology Corporation P.C. |
| Altus Power |
| Ameresco |
| Ampcontrol |
| Ampion PBC. |
| APA Solar |
| APsystems |
| Aptos Solar Technology |
| Argos Development Company LLC |
| Asia Pacific Land |
| Asplundh Engineering Services |
| Associate Energy Developers |
| Associated Energy Developers |
| AXITEC LLC |
| Barrington Powewr |
| BayWa r.e. US |
| Best Energy Power (BEP) |
| BGMG Enterprises LLC |
| Birmingham Fastener |
| BloombergNEF |
| Blu Banyan |
| BluePath Finance |
| BlueWave |
| Bohler Engineering |
| Borrego |
| Boston College |
| Brown Advisory |
| Brown and Brown Insurance |
| Brubacher Excavation |
| CAMS |
| Canadian Solar |
| Cape Cod 5 |
| Capital Power Corporation |
| Captona |
| Catalyze |
| CED Greentech |
| Central States Manufacturing Inc. |
| Centrica |
| Cherrytree Group |
| Chint Power Systems America |
| Clean Energy Venture Group |
| Clean Power Consulting Group |
| CleanCapital |
| Communicators Group |
| Community Power Partners |
| Consolidated Edison |
| Constellation |
| Cowen and Company |
| Coyote Group LLC |
| CPower Energy Management |
| Crayhill Renewables |
| Crown Castle International |
| CRRC Times Electric USA LLC |
| Customized Energy Solutions |
| D.S.N.I Investments |
| Davey Resource Group Inc. |
| DC PRO Engineering |
| Decom Solar |
| DEIF Inc. |
| Demeter land development llc |
| Department of Energy Resources |
| Distributed Solar Development |
| Drone Drafting |
| DroneBase |
| Dynamic Energy Solutions LLC |
| E2SOL LLC |
| E2SP: LLC |
| E4thefuture |
| Eagleview Technologies |
| Eaton Corporation |
| ECA Solar |
| EcoFasten |
| Econocom |
| Ecoplexus Inc. |
| Ecosave Inc |
| EDF Renewables |
| Edgeli Inc. |
| EDP Renewables North America |
| EJOT Construction Fasteners |
| Electric Sunshine LLC |
| Electriq Power |
| Emmaty Inc |
| Empower Energies Clean Infrastructure LLC |
| EN Engineering |
| Enel X |
| EnergeiaWorks |
| Energy Circle |
| Energy Materials Corporation |
| Energy Systems Group |
| Energy Toolbase |
| ENGIE |
| Eos Energy Enterprises |
| Equipment Corporation of America |
| Eversource Energy |
| EVgo |
| Fidelity Bank |
| First American Title Insurance |
| First Solar |
| Flooid Power Systems Inc. |
| Flycatcher LLC |
| FM Global |
| Fortress Power |
| Frontier Energy |
| Frost Brown Todd LLC |
| Fundamental Renewables |
| Gannon & Scott |
| Generate Capital |
| Genie Solar Energy |
| Geoscape Solar |
| geothinQ |
| Get The Referral |
| GoodWe USA Inc. |
| GP JOULE |
| Grasshopper Energy |
| Green Lantern Solar |
| Green Mountain Power |
| Green Power Developers LLC |
| Green Roofing Solutions LLC |
| GreenSky LLC |
| Greenwood Sustainable Infrastructure |
| H.B. Fuller |
| Hanwha Q CELLS |
| HDR Engineering Inc. |
| Hemlock Semiconductor |
| Monarch Vegetation Services |
| Hubbell / Burndy |
| IBEW Local Union #223 |
| Ignite Renewable Capital LLC |
| IGS Energy |
| inBalance |
| Independent |
| Infiniti Energy LLC |
| InfoSight Corporation |
| Innergex |
| Insight Solar |
| Invaleon Solar Technologies |
| Invest in Niedersachsen |
| IronRidge |
| JJD Electric LLC |
| Jones Power |
| K2 Systems |
| KB Racking |
| Kearsarge Energy |
| Kimley-Horn |
| KMB Design Group LLC |
| KPT Renewables |
| Krannich Solar USA |
| LaBella Associates |
| LandGate |
| Landis+Gyr |
| LandSolutions International Inc. |
| Leap Energy |
| Liberty Utilities |
| LightStar Renewables |
| Lodestar Energy |
| Longroad Energy Holdings LLC |
| Luminace |
| M Bar C Construction |
| McCauley Lyman LLC |
| Meridian Associates |
| Metro Consulting Associates |
| Mission Solar Energy |
| Mitsubishi Heavy Industries America |
| Motive Energy Storage Systems Inc. |
| My Generation Energy |
| National Cooperative Bank (NCB) |
| National Grid |
| National Rural Electric Cooperative Association |
| Nautilus Solar Energy |
| New Energy Equity |
| New England Commercial Solar |
| New Project Media |
| Nexamp Inc. |
| Nine Fasteners Inc. |
| NJ Energy Coalition |
| NJR Clean Energy Ventures |
| NLR Solar |
| Nucor |
| NuGen Capital Management LLC |
| NuGen Go LLC |
| Nuveen Green Capital |
| nVent Hoffman |
| Nvent Vynckier |
| Oberon Initiatives Inc. |
| OIC |
| OMG Roofing Products |
| Omnidian |
| OPAL ENERGY GROUP |
| OSTERMAN FOX AND ASSOCIATES |
| Outback Power an EnerSys company |
| OYA Solar |
| Ozone Renewables |
| Palmer Capital Corporation |
| Palmetto |
| Panasonic |
| PanelClaw Inc |
| Parasol Structures |
| Peoples Bank |
| Pine Grove Tree Farm |
| Pivot Energy |
| PMC Industries |
| Polar Racking |
| Positive Energy NY LLC |
| Pure Power Engineering Inc |
| PZSE Structural Engineers |
| QE Solar |
| Quest Renewables |
| QuickBOLT |
| Raf Solar Power LLC |
| Rappahannock Electric Cooperative |
| Raptor Maps Inc. |
| Reliance Piles |
| RENU Communities |
| ReVision Energy |
| Roof Tech Inc |
| RTO Insider |
| S-5! Metal Roof Innovations Ltd |
| Safari Energy |
| Sales Focus Inc |
| Sargent & Lundy |
| Savant Power |
| Scale Microgrid Solutons |
| Scanifly |
| Schwerd Consulting |
| Seaward Group USA |
| Seminole Financial Services |
| SHAURI SOLAR INDIA PRIVATE LIMITED |
| Siemens Energy |
| Skyward Specialty Insurance |
| Smart Electric Power Alliance |
| SmartRoof Capital |
| SnapNrack |
| Sol Systems LLC |
| Solar and Soil |
| Solar Foundations USA |
| Solar Shepherd LLC |
| Solar Surge |
| SolarEdge Technologies |
| SolaREIT |
| Solaria |
| Solaris Energy LLC |
| Solect Energy |
| Soligent |
| Soltage LLC |
| Sonepar USA |
| Sonnen Inc. |
| Southwire Company |
| SRECTrade Inc. |
| Standard Electric |
| Standard Solar |
| Stella Energy Solutions |
| Stem Inc. |
| Stonegate Group |
| SunBug Solar |
| Sungage |
| Sungage Financial |
| Sungrow |
| Sunnova Energy Corporation |
| Sunrun Inc. |
| Surety Bond Professionals |
| Sustainable Energy AZ |
| Sustainable Strategies 2050 |
| SWCA Environmental Consultants |
| SWEB Development USA LLC |
| Tamura Corporation of America |
| Tanner |
| Targray |
| Tectonic |
| Terracon |
| The Okonite Company |
| The Wishcamper Companies Inc. |
| Titan Wire and Cable |
| TJA Clean Energy |
| TReK Capital Partners |
| True Green Capital Management LLC |
| Twain Financial Partners |
| UBS |
| Unirac Inc |
| Uplight |
| Upstart Power |
| Valta Energy |
| VEIR Inc. |
| WAGO Corporation |
| Walden Renewables |
| Wanzek |
| Wesco |
| Weston & Sampson |
| WestShore Design Engineers |
| Whitestone Associates Inc. |
| WORD Rock Drills |
| Xpansiv Market CBL |
| YAK ACCESS |
| Yotta Energy |
| Zeep Technology LLC |