Our mission is to create the fairest, most transparent, and open markets in the world. We carry this out every day by providing clients a seamless trading experience to meet their liquidity needs. Our team approaches market making as a place of perpetual reinvention and a fundamental bridge between the financial markets and real economy. Providing lower cost trading to broker-dealers. Delivering liquidity to institutional clients,. Including asset managers and broker-dealers.

Consistently Exceeding Customer Expectations for Over 45 Years. For more than 45 years, Citadel Security Systems has been protecting families from the dangers of burglary and fire with reliable alarm products and affordable services, giving our customers the best value in the security industry. Leading the industry in service for over 45 years, our highly-trained technicians are available 24 hours a day to assist you with any unexpected system troubles.

Citadel Security Services - East. Included in the next update will be the Employee Support Section for current and prospective employees of Citadel Security Services. Keep an eye out for this release. Employee Support Section Coming Soon! See how recent technological advances in cloud computing and other IT related fields have changed the world of security and those who serve in it. See a list of our services.

Security for Houses of Worship in NYC. New York Hotel Security Services. Pop Up Event and Retail Security. Security for NYC Awards Shows. Private Security Services from Citadel Security Agency. Citadel Security provides its clients with professionalism, reliability, and peace of mind.