We Are Courteous

About Us

About Diamond Security

We are a security agency, Est. 2005, located in New York City, protecting you in New York and New Jersey.

With today’s problems, security services are, without a doubt, a necessity in the workplace. With access control into buildings, foot and vehicle patrols, crowd control and emergency situations, Diamond Security Services Limited is the right company for you! With 20 years of combined experience in the industry, we will meet and exceed your needs for your business or organization. Our primary goal is to make sure that your investments remain safe, your employees can work in a safe environment and potential clientel of your business or organization can see that safety and security is your primary concern. We offer the best rates in the security industry without compromising our standards. Remember, If you want quality then secure it with Diamond.

Security requires dedication. Dedication requires commitment. Commitment requires a drive to succeed.

Clay O. Abiola – Director Of Operations – Diamond Security Services Limited

Our Services

Our security standards are based off the industries "best practice". Our dedicated professionals are happy to assist you with your security needs in your daily business ventures.


Loss Prevention

When you have blind spots in your store, it becomes a target for potential shoplifters and it can create a loss for your retail establisment. We will come and evaluate your establishment at no cost to you and see how we can help prevent you from suffering any type of loss in your retail establishment and place security officers in strategic locations to deter these activities.

Construction Security

Security on a construction site is very important. We ensure only personnel that are allowed on site are gaining access and we ensure your equipment remains secure 100% of the time.

Healthcare Security

Security in a healthcare facility is crucial to the daily operation of the facility. We check that personnel only areas are secured and that visitors are logged and checked. We make sure that staff, patients and visitors feel safe in their enviornment. Our security officers are trained to comply with all HIPPA laws.

School Security

Certain situations may arise and require security intervention. We ensure that all students are in a safe and stimulating learning enviornment free of violence.

Bar Security

Bars are prone to violence and require security to help deter and intervene in situations either verbal or physical. Violence in a bar can cause the establishment to lose business. We create a safe enviornment for its patrons while not interfering with the operation of the establishment.


We offer many other forms of security for a variety of businesses ranging from private to public. Contact us today to see how we can assist you with your security needs!

The Team

We believe in a diverse range of personnel with a wide range of expertise to bring creative skills, thoughts, and ideas to the table.

Steven W. Corbin

Steven W. Corbin

NJ Chief Operations Officer View Details
Margaret G. Massimo

Margaret G. Massimo

Assistant Director of Operations View Details
Steven W. Corbin

Steven W. Corbin

NJ Chief Operations Officer

Office Address:
400 Rella Boulevard
Suite 165
Suffern, NY 10901

Steven Corbin is the New Jersey Chief Operations officer for Diamond Security Services Limited managing the State of New Jersey. Steven has over 9 years of experience ranging from Emergency Service, Private Investigations and Private Security.

Steven holds numerous certificates from the U.S. Department of Homeland Security, New Jersey State Police, New York State Police and New York State Office of Fire Prevention and Control.

He has worked with numerous clients including, but not limited to, Port Authority of NY & NJ, NYC Department of Housing Preservation and Development and NYC Department of Environmental Protection.

Steven is constantly reviewing policies and procedures to reaffirm his dedication to client satisfaction. He has created our Standard Operating Procedures, DMV Checks, and Field Operating Guidelines.

Margaret G. Massimo

Margaret G. Massimo

Assistant Director of Operations

• State of New York

Margaret displays great diligence and consistency at Diamond Security Services working as an administrator and analytic on a daily basis. Margaret posses certificates from the U.S. Department of Homeland Security reaffirming her dedication during times of disaster. She is also working on her Associates at Westchester Community College with a major in Criminal Justice and minor in Psychology. She continues to excel in the business with her great leadership skills and reliable judgment.

Diamond Security Services Limited

Contact us for a no-obligation quote!