About Washington National Insurance Company At Washington National, we're dedicated to serving the needs of Americans who've worked hard and want to protect the health and well-being of themselves and their loved ones. Our supplemental health and life insurance products have helped provide peace of mind since 1911. Washington National offers a full line of supplemental health and life insurance products, through a nationwide network of independent insurance agents serving middle-income Americans. Washington National is an experienced leader in the voluntary worksite and individual markets.