Meet the Team

Our in-house staff of knowledgeable, dedicated professionals takes pride in providing outstanding, personalized service to our customers and our community. Call us today and become one of our many satisfied customers.

Mark Costis

President

Suzanne Ferro

Assistant to President

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

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Serviced Customers

Years in Business

Total Customers

Our
Promise

From the core of the engine to the controls, we stand by our product with one of the best warranties in the industry. We ensure that our generators are quiet, powerful and reliable – and this can only be done by sourcing the best possible product. Generac Generators are the largest and most reliable source for home, business, and recreational backup generators. We offer competitive sales, installation, and service to ensure that the quality of our guests’ experience is top-tier, no matter the nature of their generator needs. GenerX is proud to have been designated as Generac’s PowerPro Dealer for 6 consecutive years.

Recent Blogs

Generator Maintenance Tips for Gilchrist County Homeowners

Generator Maintenance Tips for Gilchrist County Homeowners

A backup home generator is one of the best investments you can make for your Gilchrist County home. They ensure that you’ll be comfortable in your home regardless of what may be causing the power outage. However, generator maintenance is something that many homeowners...

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"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