Meet the Team
Mark Costis
President
Suzanne Ferro
KJay Autullo
Chief Operating Officer
Dia Preston
Chief Financial Officer
David Dumphy
Vice President of Sales
Our Team Over The Years
Always Free Estimates & Proposals
Installation, maintenance, service & repair
Serviced Customers
Years in Business
Total Customers
Our
Promise
Recent Blogs
Top 5 Reasons Every Home in Brevard County Needs an Emergency Home Generator
Keeping the power on in your Brevard County home isn’t just a luxury, it’s a necessity. With how unpredictable power outages can be, you never really know when it will happen. That’s where home emergency generators come in. Today, we go over 5 reasons why your Brevard...
Emergency Preparedness: Keeping Your Alachua County Home Powered During Outages
Living in Alachua County, Florida, comes with its charms and challenges. Although the weather can be beautiful, it can also turn into a severe storm that causes a power outage. A home backup generator will ensure your home remains safe during these outages. So instead...
Top Features to Look for in a Commercial Backup Generator
Florida is no stranger to severe weather and power outages. Investing in a reliable commercial backup generator is crucial in ensuring your business remains operational during these outages. However, with so many commercial backup generators on the market, how do you...
Happy Customers
"Mark Costis and the Generx team keep my whole house powered in case of city power outages. They have the greatest service and excellent products. With a full tank of propane (250 gallons) I can run my whole house for at least a week. Thanks Mark! A Generx Generator was a great investment!"
Adil
"Irma would've been an even bigger nightmare without our generator--it's officially my new favorite thing, and I'm grateful for the work you're doing in the Tampa Bay area."
Danielle
South-West Florida: (941) 505-1212
Lakeland: (863) 260-7032
Ocala: (352) 581-7008
Flagler: (321) 621-8853
Jupiter: (561) 581-8499
Sarasota: (941) 867-4155
Naples: (239) 789-2633
Nashville: (615) 212-5900
Memphis: (901) 883-5900