Below is a list of companies that attending Solar Power Florida 2019 (as of 2/20/19).
| ABB Inc. |
| Access Builders Inc. |
| AceClamp PMC Industries |
| Advanced Roofing Inc. - Exhibitor |
| Alder Energy Systems |
| Allied Building Products Corp. - Exhibitor |
| American Wire Group |
| Archipelago Properties |
| ASSET Engineering |
| Attala Steel |
| Canadian Solar USA Inc. |
| Cape Design Engineering |
| CED Greentech - Exhibitor |
| Chint Power Systems America - Exhibitor |
| City of Tallahassee - Electric |
| Conti Solar |
| Curley & Pynn |
| Current Renewables Engineering Inc. - Exhibitor |
| DC Battery Specialists |
| Duke Energy |
| EDF Renewables |
| Env. Resource Solutions |
| Environmental Services Inc. |
| Erus Energy |
| Everest Solar Systems, LLC - Exhibitor |
| EVgo Services LLC |
| FairFleet GmbH - Exhibitor |
| Flex Fleet Rental |
| Florida Power & Light Co. |
| Fortune Energy - Exhibitor |
| Gainesville Regional Utilities |
| GuardOne Security - Exhibitor |
| Hancock Environmental Seeding, Inc. - Exhibitor |
| Helios Strategia |
| Humless - Exhibitor |
| Hypower Inc. Hypower Renewab |
| Infinite Energy Inc. |
| Ingeteam Inc |
| Invenergy LLC |
| IronRidge - Exhibitor |
| IronRidge Solar Mounting Made |
| JEA |
| JinkoSolar (U.S.) Inc. - Exhibitor |
| Krannich Solar USA - Exhibitor |
| Lennar |
| Marine Fasteners |
| Mission Solar Energy - Exhibitor |
| National Roofing Partners |
| Neurio Technology Inc - Exhibitor |
| NextEra Energy Inc. |
| Nhu Energy Inc. |
| Nine Fasteners, Inc. - Exhibitor |
| Nucor Skyline |
| Office Depot |
| Origis Energy USA |
| Pacatv |
| Paige Electric |
| Panasonic Eco Solutions - Exhibitor |
| PCL Construction Enterprises I |
| Pegasus Solar - Exhibitor |
| Pika Energy - Exhibitor |
| Pinellas County Solid Waste |
| QE Solar |
| Red Wolf Company LLC |
| Renewable Sales and Power |
| Rolls Battery Engineering - Exhibitor |
| Roof Tech Inc. |
| Rutledge Ecenia PA |
| S&C Electric Company |
| Security Services of America |
| Seminole Financial Services |
| Sentry Electrical Group Inc |
| Sol Systems LLC |
| SolAmerica Energy LLC |
| Solar Connections International - Exhibitor |
| Solar Energy Trade Shows LLC |
| Solar STACK - Exhibitor |
| Solar Sun |
| Solaria Corp |
| Solarpack Development |
| SolarTech Universal - Exhibitor |
| Spider Rax - Exhibitor |
| Standard Solar |
| SunFarm Energy |
| SunModo - Exhibitor |
| Sunrun |
| SunSpark Technology Inc - Exhibitor |
| TECTONIC - Exhibitor |
| Terracon Consultants, Inc. - Exhibitor |
| Tetra Tech |
| Thielsch Engineering Inc. |
| TRC Companies Inc. |
| Trenam Law |
| Trina Solar Energy Co Ltd. |
| Trojan Battery |
| UKA North America LLC |
| Vinyasun |
| Wanzek Construction |
| Wesco - Exhibitor |
| Worldwide Capital Connections |
| Yarotek PR LLC |