The Suffolk County, N.Y., Police Department has purchased 225 stun guns from Scottsdale, Ariz.-based Taser International. The North Dakota Highway Patrol also purchased 140 stun guns.

Fremont, Calif., has contracted with San Diego-based Ninyo & Moore to analyze geologic conditions at the site of the city's new Fire Department Tactical Training Center.

The Livingston County, Ill., Emergency Telephone System Board has purchased computer-aided dispatch software from Castle Hayne, N.C.-based VisionAIR.

Polk County, Fla., has purchased computer-aided dispatch, law enforcement records management, jail management, civil process and mobile reporting software from Pleasanton, Calif.-based Tiburon.

Marietta, Ga., has purchased a wireless broadband video surveillance and crime prevention system from Lowell, Mass.-based Tyco Electronics.

The Greater Houston Transportation and Emergency Management Center has purchased an emergency notification system from Long Branch, N.J.-based Cooper Notification.