Here are links to the sites I find most valuable to me (listed alphabetically):

Public Safety ExcellenceCenter for

Fire/EMS/Safety Center - Minnesota

Fire/EMS/Safety Center Library - Minnesota

Fire Engineering Magazine

Fire Fighter Close Calls

Firehouse Magazine

International Association of Fire Chiefs

Jones & Bartlett Publishing

Klein Associates

Maryland Fire & Rescue Institute

National Fallen Firefighters Foundation

National Fire Fighter Near Miss Reporting System

National Volunteer Fire Council

SA Technologies

United States Fire Administration

Volunteer & Combination Officers Section (VCOS)

Contact Rich Gasaway

Home

Firefighter Safety Links

Asbestos awareness for fire fighters

NIOSH Firefighter Fatality Reports

Firefighter Fatality Retrospective Study 

Structural Collapse Fatality Study

Wildland Fatality Study 

48-96 Work Schedules

BrainandSpinalCord.org

Canadian Fallen Firefighters Foundation

Fire Department Safety Officers Association

Fire Service Today

Firefighter Cancer Support Network

Firefighterclosecalls.com

FirefighterVeteran.com

IAFC Safety, Health, and Survival Section

IAFC Near Miss Reporting Site

International Fire Service Training Association

International Society of Fire Service Instructors

Mesothelioma - Firefighters & Asbestos Exposure

Mesothelioma Causes

Metropolitan Fire Chiefs

National Volunteer Fire Council

Nat'l Wildfire Coord. Group Training Working Team

Pennsylvania's Everyone Goes Home® Campaign

Respondersafety.com

United States Fire Administration