Licenses & Certifications
“Construction: The only place where you can tell someone to ‘hit the road’ and they actually do it.” — Linda “Paver” Carter
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Business Licenses
David Mancini formed DMSI in 2010 in Florida. he did a great job hiring renowned experts from all levels, from key management to field personnel, bringing extensive experience and teamwork to the company.





- Ensuring each job is covered in all ways
Our Licenses & Certifications
At David Mancini & Sons, Inc., we take pride in holding the proper state and industry credentials that back our expertise and guarantee trust, safety, and compliance on every project.
David Mancini & Sons, Inc. is prequalified by the Florida Department of Transportation (FDOT) to perform a wide range of infrastructure work, including drainage, flexible paving, grading, grassing, seeding and sodding, minor bridges, asphalt restoration, directional drilling, pump stations, and underground utility (water & sewer) projects. This FDOT Certificate of Qualification is valid through June 30, 2026, affirming our capability to deliver complex public works projects with precision and compliance
Incorporated in 2010, David Mancini & Sons, Inc. is a fully registered and active Florida corporation (Document Number: P10000086044). Our business is in good standing with the Florida Department of State, having filed all annual reports and maintained active status through December 31, 2025
David Mancini & Sons, Inc. holds an active Florida Certified General Contractor License (CGC1506008) under the Department of Business and Professional Regulation. This license, valid through August 31, 2026, authorizes us to oversee and manage all aspects of large-scale construction projects while meeting the highest standards of safety and quality
Our company is also licensed as a Certified Underground Utility & Excavation Contractor (CUC044220). This certification, valid through August 31, 2026, ensures we are fully qualified to install and maintain underground water, sewer, and excavation systems—work critical to both municipal infrastructure and private development
Saftey: A Core Value at DMSI
Safety is not just a policy—it is ingrained in our company culture. All DMSI personnel operate in a drug-free
workplace and maintain the following safety certifications:
At David Mancini & Sons, Inc., safety is never an afterthought—it’s the foundation of every project. Our crews hold both OSHA 10-Hour and 30-Hour Safety Certifications, ensuring every team member, from field staff to supervisors, has formal training in hazard recognition, safe work practices, and regulatory compliance.
These certifications reflect our commitment to protecting our people, our partners, and the communities we serve. By exceeding federal safety standards, DMSI delivers not only high-quality infrastructure solutions but also peace of mind that every job site is managed with the utmost care and responsibility.
At David Mancini & Sons, Inc., we understand that working in and around trenches presents unique risks. That’s why our crews undergo Trench Safety Training, ensuring they follow strict protocols for shoring, shielding, and sloping to prevent cave-ins and protect workers on every excavation site. This training reinforces our commitment to keeping our people safe while delivering critical underground infrastructure with precision and care.
At David Mancini & Sons, Inc., safety goes beyond the job site—it’s about protecting lives. Our team members are trained in CPR and Fire Extinguisher use, equipping them with the skills to respond quickly and effectively in emergency situations. Whether it’s providing life-saving assistance or containing a fire before it spreads, this training ensures our crews are always prepared to safeguard their coworkers, project partners, and surrounding communities.
At David Mancini & Sons, Inc., we make safety and compliance part of our daily operations. Our crews are trained to follow Material Safety Data Sheets (MSDS) for all substances used on the job site, ensuring proper handling, storage, and disposal of hazardous materials. By adhering to these guidelines, we protect not only our workers but also the environment and communities where we operate. This commitment to MSDS compliance demonstrates DMSI’s dedication to maintaining safe, responsible, and regulation-driven project sites.
Operating in South Florida means being ready for more than just everyday challenges. At David Mancini & Sons, Inc., we have comprehensive Hurricane Preparedness Plans in place to protect our crews, safeguard equipment, and secure active job sites before, during, and after severe weather events. These proactive measures minimize downtime, reduce risk, and ensure critical infrastructure projects can resume quickly and safely once conditions allow. Our readiness reflects DMSI’s commitment to resilience and reliability, no matter what nature brings.
At David Mancini & Sons, Inc., safety isn’t just a requirement—it’s a partnership. Through our Formal Partnership Agreement with OSHA, we work directly with the Occupational Safety and Health Administration to promote best practices, exceed compliance standards, and foster a culture of continuous safety improvement. This collaboration ensures that every DMSI project is built on the highest levels of accountability, worker protection, and operational excellence.
At David Mancini & Sons, Inc., protecting the environment is a core part of our responsibility on every project. We follow strict environmental protocols, such as prohibiting on-site fuel storage, to reduce risks and prevent potential hazards. By implementing these proactive measures, we not only safeguard our crews and the surrounding community but also ensure compliance with environmental regulations. This commitment reflects DMSI’s dedication to sustainable, responsible construction practices that prioritize safety and stewardship.
- Ensuring your top is protected is our priority
FAQs About Our Licenses & Certifications
We not only want each job to be completed in a timely fasion, but also want to ensure each project has the correct licensing behind it
The Florida Department of Transportation (FDOT) Certificate of Qualification proves that a contractor has been vetted and approved to handle critical infrastructure projects like drainage, paving, pump stations, and underground utilities. It ensures we meet strict financial, safety, and performance standards before being awarded public or government-related work.
A Certified General Contractor License (CGC) allows us to manage all phases of construction, from structural work to site preparation and major builds. It demonstrates that we meet Florida’s rigorous requirements for experience, technical knowledge, and financial responsibility.
While a General Contractor license covers overall building and construction management, an Underground Utility & Excavation (CUC) license is a specialized certification for installing and maintaining underground systems like water, sewer, and drainage. This dual licensing allows us to provide both structural construction and deep infrastructure services.
Yes. Our FDOT Certificate of Qualification is valid through June 30, 2026, our Certified General Contractor license (CGC1506008) is valid through August 31, 2026, and our Certified Underground Utility & Excavation Contractor license (CUC044220) is valid through August 31, 2026. Our Florida corporation status is also active and in good standing through December 31, 2025.
All Florida contractor licenses can be verified online through the Florida Department of Business and Professional Regulation (DBPR) website. We encourage clients to confirm our credentials for added peace of mind.
Absolutely. These licenses qualify us for large-scale infrastructure, municipal, and private development projects. They also ensure that our clients receive work performed to state-regulated standards, protecting both safety and long-term investment.