Company Profile

Top Stoneworks is a recognized member of the Marble Institute of America, giving them a wealth of knowledge at their disposal regarding material and installation safety and the latest in trends and technology.

Mariano Ronzoni
As owner, founder and president of Top Stoneworks, Mariano has over forty years of experience in all aspects of the construction industry. His career began in Buenos Aires, Argentina where he owned a flooring installation company. Mariano moved to the United States in 1980 and started working in Los Angeles in the field of marble and granite fabrication. His European background encouraged him to focus his career on using these materials in the scope of custom home building. In 1994, he transferred to the Coachella Valley and opened Top Stoneworks in 2001. Mariano's dedication and attention to detail have made him the favorite of many well-know architects, interior designers, contactors and clients in the desert area.

Sam Martinez
Born and raised in the Coachella Valley, Sam joined Top Stoneworks at its inception. For over twenty years, he has helped Top Stoneworks to manage its work force and job sites. Sam has been involved in every single project Top Stoneworks has completed, and his experience gives him an invaluable knowledge base of time-tested solutions and ideas for any challenge.

Maggie Gil
As office manager with Top Stoneworks for the past 3 years, Maggie works diligently to make sure each project is efficiently organized and progressing smoothly. As the company representative, she is the main contact for designers, suppliers and contractors.