SEMINOLE, Fla. — Haz mat crews were called to an office complex Thursday morning in Seminole. 

According to officials, workers at the Matrix Medical Network office in the complex complained of illness upon arrival to work.  The office, located at 8333 Bryan Dairy Rd, was sprayed overnight by a pest control company. 

Several employees complained of illness after being overcome by fumes and at least 15 needed treatment. 

The AllState insurance offices in the complex are located on another floor and were not affected.