Try out SOP Center with its embedded MySQL database containing all the SOP/SOG documents as well as all the EMS Protocols--all are editable using MSWord. This free trial is available for 30 days to all who create an account with SOP Center and is available for purchase.
These 199 SOPs/SOGs are based on the FEMA FA-197 guidelines and are in pdf format and freely available for your use. The numbering system is provided by SOP Center and the content is from first responder organizations across the U.S.
These EMS Protocols come in both flowcharted and ALS, ILS, and BLS formats. These pdfs can be freely downloaded.