Our Story
Since 1980, GSD Contracting has built and renovated hotels, churches, banks, retail stores, malls, car dealerships and assisted living facilities. Over that time, GSD also built one of the most trusted brands in the industry. GSD has been recognized by the South Florida Business Journal as one of the top 25 commercial contractors in the market. Through transparency in our dealings to honesty in our conduct, everyone in the company embraces our mission: Building Trust.

From our humble beginnings
Our Promise
Any company can make a promise. It takes little to lock pinkies. Keeping a promise makes all the difference. When we commit to completing a project on time without cutting corners, we make it happen. From our first project meeting to the final bolt, we do what’s right by our clients every time. It’s how we were raised. It’s how we do business. We build trust by consistently making good on our promises.




Our Leadership
Our leadership team is made up of the most innovative thinkers in the industry. Our mission of Building Trust drives everything we do. Through transparency in our dealings to honesty in our conduct, everyone in the company – ownership, field personnel, management, accounting and office staff – embrace the opportunity to earn your trust and a long-term relationship.

MANAGING PARTNER
Frank Leonello

MANAGING PARTNER
Joseph Leonello Jr.
Our Experts
We are very fortunate to have one of the most experienced and professional construction management teams in South Florida. We empower our employees to embrace opportunities and overcome challenges. We want to ignite their entrepreneurial spirit, grow professionally and personally, and give back to our local communities. We know that by taking great care of our employees, they in turn will take great care of our clients.

PRESIDENT
Salvatore “Sonny” Russano

DIRECTOR OF BUSINESS DEVELOPMENT
George Braeunig

PROJECT MANAGER
Ron Hasko

ASSISTANT PROJECT MANAGER
Jamie Tetreault

SUPERINTENDENT
Nelson Rincon

SUPERINTENDENT
Richard Doyle Waddell

SUPERINTENDENT
Rocky Sanders

SUPERINTENDENT
Roy Browning

SUPERINTENDENT
Guillermo Mendoza

SUPERINTENDENT
Joe Slack

SUPERINTENDENT
Tom Fowler
