National Security » Recommended Companies Go back to directory. Add to Address Book. National Security National Security Home 661 E Davis St. Elba AL 36323 home Work Phone: (800) 239-2358work Website: National Security Website Biography The National Security Group, Inc. was founded in Elba, AL in 1947. NSG is a family of companies committed to preserving the financial security of individuals and families by providing a diversified line of insurance products and services.
