Established in 1976, Summit is one of the largest privately owned security services firms in the United States. From our Long Island Corporate Headquarters, 24/7 Security Operations Center, and eight Regional Offices, Summit’s more than 5,000 professionals provide world-class security solutions to hundreds of clients across New York, New Jersey and Connecticut. Summit protects millions of people and billions of dollars in assets every day. In our more than four decades of service, we have earned the confidence of Fortune 500 companies, commercial real estate management firms, worldwide media corporations, international financial institutions, mass transit agencies, high-tech companies, and major universities. The experienced security professionals at Summit know that your peace of mind is priceless. Our hands-on approach and attention to detail is second to none. Since we are locally based, we are able to provide the personalized service our clients have come to expect. That’s why our clients consistently stay with Summit. In today’s new world of complex challenges, Summit is one of the most trusted and well-respected names in the security industry.