1. Silcox Laubstein Engineering PO Box 1541, Thonotosassa, FL 33592 Coordinate: 28.061747,-82.30821 Phone: (813) 986-6259
2. Dixon Engineering 10410 Main St, Thonotosassa, FL 33592 Coordinate: 28.0596,-82.30506 Phone: (813) 982-9885