Any potential employee must undergo a medical and a drug and alcohol test before attending a "personal track safety" course.
The employees had already undergone background checks but were not screened as they arrived at work.
"Certifying that employees have undergone blog training benefits everyone," she said.
She said that almost half the employees of the largest agencies in the Federal Government have already undergone their first round of education and training.
She added that the company's employees had recently undergone intensive ethics training.
The newly hired employees underwent a new comprehensive training program, which included two to three weeks of formal classroom teaching.
However, each employee must undergo 40 hours of yearly training, including firearms practice, to keep their operational certification.
All employees and their families undergo intense health checks every month.
When an employee is undergoing training, his place is taken by a person who at that time is unemployed.
Nine employees, none at a senior level, are undergoing a minimum of two random drug tests a year, she said.