Carmine Nuzzi - President

Carmine Nuzzi is the President of National Auditing Services – and has secured our client’s refunds since 1987.  Mr. Nuzzi’s background before starting National Auditing Services was in the accounting and auditing field and holds a BS for accounting and auditing as well.  Mr. Nuzzi’s enthusiasm for securing utility refunds over the past 30+ years has catapulted National Auditing Services to the Country’s premier firm in utility bill auditing and consulting.  National Auditing has assisted thousands of clients that have received Millions of Dollars in Refunds.

Carmine’s hands-on approach keeps him involved in all aspects of his business and he remains passionate about securing the largest refunds obtainable for our clients.  Running a multi-million dollar business hasn’t stopped Carmine from raising 2 boys and 1 girl and spending time with his family.  A core value Carmine holds true to his heart and instills in his dedicated staff.


Dave Foster - Vice President Business Development

Dave Foster joined National Auditing Services in 2014 and serves as the Vice President of Business Development.  With a background in Marketing, Mr. Foster continues to bring fresh ideas that cultivate our client list to new levels.   Mr. Foster acts as National Auditing Services primary contact for many of its largest clients as well as supervising our team of 11 energy consultants.  Mr. Foster focuses on New York City Department Finance and DEP issues as well as expanding NASC’s presence outside the New York City and CT areas for Electric and Gas Refunds.  Mr. Foster’s success in the MA, MD, MI, and FL markets have helped propel National Auditing Services to become the Country’s premier utility bill auditing and consulting firm.  Dave is an avid sports fan and enjoys time hitting the links and spending time with his family including his two daughters.


Mario Gentile - Director of Customer Relations

Mario Gentile joined National Auditing Services in 2012 and serves as the Director of Customer Relations.  Mr. Gentile’s background is in accounting and previously worked in the logistics department of a major manufacturer.  This accounting experience proved valuable as Mr. Gentile started his career at NASC as an Energy Consultant.  As Director of Customer Relations, Mr. Gentile acts as the main auditor of electric and gas refund reviews and supervises 6 Energy Auditors.  Mario enjoys watching sports and spending time coaching both his sons and holds strong family values.


Susan Martino - Administrative Assistant

Susan Martino joined National Auditing Services in 2016 and serves as the Administrative Assistant. Susan is the voice of NASC on the phone and her smiling face is the first clients see upon their visits. Susan assists our Energy Consultants by facilitating the day-to-day needs of NASC clients as well as act as the conduit to working with the electric and gas utility companies. Susan enjoys spending time with her rescue pup Bella and crafting and gardening with her daughters.