Now he worked for a big private security firm in town.

In series 2, she runs her own private security firm.

She brought in a private security firm to protect her.

Private security firms promise response times of two to three minutes.

I have three members of our security firm with me.

He tried the local police, the army, and security firms without luck.

A security firm guards the site, for $4,000 a month.

Most simply find a new home at other securities firms.

Securities firms, for their part, say they alone cannot move the market.

He set up a private security firm, and stayed away from politics until the 1999 elections.