Hartzell Construction

Rothstar Construction, based in Coral Gables, FL, is a full-service construction organization with over 30 years of experience in building, integrating, expanding, and renovating successful businesses throughout Southeast Florida. Founded in 1985 by Peter Rothenberg and Larry Starr, the company emphasizes quality, reliability, and long-term relationships with local, national, and international clients. Offering a comprehensive range of services, Rothstar Construction excels in pre-construction, construction management, general contracting, and disaster emergency response. Their commitment to professionalism extends throughout all project phases, ensuring expert assistance in design, budgeting, and compliance with governmental regulations. Generated from the website

William and Raul De La Sierra have been in the contracting business since 1972. Originally entering the business through the Steel Erection Sector of Construction Industry. They became the largest Steel Erecting Company in the State completing high profile Gov't jobs as the Downtown Miami Monorail, Metro Zoo Facilities, Palm Beach Int'l Airport, Etc. In 1986, they started Sierra Construction Services Inc (SCS) which is a General Contracting Company working with Major Medical Companies, Aviation, Industrial/Commercial. Doing Interior Build Outs, Laboratories, Luxury Office Spaces, Warehouse Manufacturing Plants, Banks, etc. We also specialize in working with and around our clients operating schedule providing fast, clean, quality builds during weekend time and after hours, understanding the importance of keeping a company operational through the construction process.