- 1922 - B.J. Papa founds National Fire Adjustment Co.
- 1947 - Frank R. Papa, B.J.'s son, joins NFA as an adjuster
- 1965 - B.J. Papa retires and Frank becomes president
- 1967 - NFA settles its first $1 million loss
- 1968 - The first NFA branch opens office in Jamestown, NY
- 1969 - Branch offices open in Rochester, Syracuse, Elmira
- 1974 - Ronald J. Papa joins NFA in the Rochester office
- 1975 - NFA is the first adjustment firm to computerize loss estimating procedures
- 1982 - NFA acquires New York Fire Adjustment Corp.
- 1984 - NFA moves to new corporate headquarters at One NFA Park in Amherst, NY
- 1988 - Toronto office opens; NFA now the largest adjustment firm in North America
- 1993 - NFA settles its first $100 million loss
- 1996 - Frank Papa named chairman and Ron Papa president
- 1996 - Ronald J. Papa won the Person of the Year award for National Association of Public Insurance Adjusters
- 2000 - NFA opens New York City office
- 2000 - Robert H. Deull won the Person of the Year award for National Association of Public Insurance Adjusters
- 2001 - NFA handled over 100 million dollars worth of losses as a result of the World Trade Center Tragedy
- 2001 - Niagara University Award for Western New York Business Appreciation
- 2005 - NFA is named the Torch Award winner for marketplace ethics by the Better Business Bureau of NY
- 2006 - NFA opens Florida office
- 2008 - NFA opens Utica and Albany offices
- 2009 - NFA opens Ottawa/Kingstion office