Septic System Insallation and Repair. Main office is located in Keystone Heights Florida and we service: Clay, Alachua, Bradford, Baker, Duval, Putnam and St. Johns Counties. We are a Member of Florida Onsite Wastewater Association (FOWA). We are Certified in Infiltrator Systems Installations. Our company was established in 1950 and has been providing outstanding services in all of the above Counties since then.