the bigger FDs at web.pulsepoint.org - partial listing

real time posting of incidents with addresses, type of incident, and
assigned units

also 100 incident archive (maybe more)

Akron OH
Alachua County FL
Boone County IN
Boone County KY
Boone County MO
El Paso TX
Lane County OR X 3
Las Vegas NV
Manatee County FL
Marin County CA
Marion County FL
McKean County PA
Milwaukee WI
Montgomery County PA
Montgomery County TX Ambulance
Napa 911 CA
NASA Ames FD
San Diego City CA
San Diego County CA - listed as CalFire San Diego
Yamhill County OR
York County VA