About CapitalTN
Security is what we do. For over 20 years, CAPITALTN’s team members have provided trusted, professional security services across Greater Boston. Our team brings deep industry knowledge, real-world experience, and a commitment to keeping people and property safe – day in and day out.
We know this city because we’re from here. Our roots in Boston run deep, and we take pride in protecting the communities we call home. Whether it’s corporate security, event staffing, or risk assessments and training, we bring the same level of focus, reliability, and expertise to every job.
At CAPITALTN, our mission is to deliver enterprise-level security services with the personal touch of a small, dedicated team.
Our
Experience
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![Mark DiNocco CapitalTN Owner at South Boston St. Patrick's Day Parade]()
St. Patrick's Day Parade
We provided comprehensive security services for South Boston’s St. Patrick’s Day Parade – one of the nation’s largest celebrations of its kind.
CAPITALTN Team
Eric Ditonno
Owner/Operator
Eric DiTonno is an experienced security and business management professional with a proven track record in managing security operations, risk assessments, and technical security systems. As the co-owner of CapitalTN LLC, Eric oversees business management, financial operations, and security consultations, leveraging his expertise in access control, special event security, and security systems. He brings over a decade of hands-on experience in high-level security roles, including managing operations for large healthcare networks and overseeing critical safety protocols.
Eric holds a Master’s Degree in Management from Cambridge College and a Bachelor’s Degree in Criminal Justice from the University of Massachusetts Lowell. His comprehensive background in security operations, combined with his business acumen, positions him as a trusted consultant and leader in both the security and business management sectors.
Mark DiNocco
Owner/Operator
Mark DiNocco is a respected leader in security operations and business management with over 15 years of experience spanning healthcare systems, public events, and corporate environments. In his role, Mark oversees operational strategy, client partnerships, and safety consulting—including the development and delivery of security and de-escalation training for teams working in dynamic and sensitive settings. His career spans large healthcare systems, where he managed multi-site security operations, developed emergency response protocols, and led workforce development initiatives.
Mark holds a Master’s Degree in Management from Cambridge College and a Bachelor’s Degree in Criminal Justice from the University of Massachusetts Lowell. He is also a certified Workplace Violence Master Instructor, delivering safety and de-escalation training across organizational levels.
Outside of work, Mark is an active volunteer and community supporter—he has raised funds as a five-time Boston Marathon charity runner, as well as a TCS London Marathon charity finisher. He also enjoys visiting hospital patients with his certified therapy dog. Mark’s deep commitment to service, both professionally and personally, reflects his belief in creating safer, stronger communities.
