John founded SGA Corp. in 2001, establishing it as a full-service glazing contracting firm. Originally from Ohio, John worked alongside his father, Robert Lamb, a second-generation glass shop owner, before relocating to Florida in 1986. With over 40 years of experience in the field, John has witnessed the glazing industry evolve, particularly in the aftermath of major storms. He has also collaborated with leading manufacturers to develop solutions for early impact systems. Today, with more than two decades of leadership at SGA Corp., John has successfully transformed the company from a growing business into a trusted and capable firm, committed to delivering exceptional service to both large contractors and homeowners, with a focus on detail and value at every stage.
After over 40 years in the glass industry, I can tell you with certainty that 'practice time' is over. You will always be delivered the highest quality, on spec, on time, and a team that you can count on.
At SGA Corp., we’re focused on more than just installation—we handle every phase of the project. From initial consultations to the final inspection, our team ensures that each step is executed with precision and care. As the industry progresses, we remain committed to continuous education and certification, ensuring we stay at the forefront of new developments.
I’m proud of the reputation we’ve built over the years. When you choose SGA Corp., you’re working with a team that values quality craftsmanship and innovation, dedicated to finding the perfect solutions to meet your needs.
With over four decades of experience in the glazing industry, I’ve accumulated a wealth of knowledge that influences how we approach every project. Throughout my career, I’ve witnessed the significant changes within the field, and today, our team possesses the skills and expertise to tackle any glazing challenge, whether for residential or large commercial projects.
We’ve always made it a point to stay ahead of industry trends, collaborating with top manufacturers to develop solutions for unique challenges, particularly those posed by storms. Our thorough understanding of glazing systems allows us to provide designs that are not only durable but also functional and visually appealing.
Zane Crews serves as Operations Manager for SGA Corp. Florida, bringing over 15 years of glazing industry experience. He oversees project management, fabrication, and commercial storefront operations. Zane’s hands-on leadership and deep field knowledge ensure projects run smoothly, safely, and efficiently—delivering high-quality results that meet client expectations every time.
“Accountability isn’t a burden—it’s the backbone of trust, quality, and every lasting business relationship.”
He collaborates closely with field crews and clients to streamline timelines, manage resources, and uphold the highest standards in safety and craftsmanship. Zane’s proactive approach keeps projects on track while fostering a positive work culture built on trust, accountability, and pride in delivering exceptional glazing solutions throughout Florida.
Outside the jobsite, Zane plays a key role in long-term business development and innovation at SGA Corp. Florida. He explores new technologies, refines internal processes, and mentors the next generation of talent—ensuring the company’s continued growth while staying rooted in the values of reliability, integrity, and excellence in service.
Zane’s leadership is instrumental in shaping the company’s future while honoring its legacy. He actively engages with partners, vendors, and emerging professionals to strengthen industry relationships. His forward-thinking mindset ensures SGA Corp. Florida remains adaptable, competitive, and ready to meet the evolving needs of commercial glazing across the state.
Carly is a trusted and longstanding member of the SGA Corp. Florida team, bringing strength, structure, and reliability to our operations. With over 15 years of experience as an accomplished office manager, she plays a vital role in the success of our day-to-day business functions. Her leadership ensures that administrative processes are not only timely, but also compliant with industry regulations and best practices.
Carly’s expertise spans a wide range of critical business areas, including advanced accounting, complex billing procedures, contract administration, and payroll management. She also oversees human resources functions and navigates the legal and regulatory requirements that come with operating a modern construction business. Her deep understanding of administrative systems allows her to streamline internal workflows and support both field and executive teams with precision and consistency.
Known for her attention to detail and steady leadership, Carly has become the backbone of SGA Corp.’s internal operations. Her ability to adapt, problem-solve, and maintain high standards makes her an invaluable asset to the company and a respected mentor within the team.
