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Contact Detection Systems & Engineering

Contact DSE Security for sales, support, and service.

Need help with commercial security systems, financial institution security, managed IT, Teams Voice, cybersecurity, or an active support issue? Use the options below to reach the right DSE team faster.

Start a Sales Inquiry Open a Support Ticket
New business and project requests

Open a new sales inquiry.

If you are not yet a DSE customer, or you want to discuss a new project, use this sales inquiry form to tell us what you need to protect, modernize, or support.

  • Commercial security systems and video surveillance
  • Access control, intrusion detection, and monitoring
  • Financial institution security hardware and branch protection
  • Managed IT, MSP support, cybersecurity, cloud, and Teams Voice

DSE Sales Contact Form

By submitting this form, you agree to receive email communication from DSE Security and understand that your contact information may be stored so we can respond to your request.

Existing customer support

Open a service ticket with the right DSE support team.

Existing customers can use the dedicated ticket portals below to route requests directly to the correct team for commercial security service, system maintenance, MSP help desk support, and managed technology issues.

Existing Security Customer

Use the Service Fusion portal to request technical support, system maintenance, or field service for DSE-supported security systems. Include the equipment location, issue description, and urgency level so your request can be routed properly.

Open a Security Ticket

Existing MSP Customer

Use the DSE support hub to submit managed IT, workstation, network, cloud, cybersecurity, or MSP help desk requests. You can sign in to view your dashboard, submit new issues, track active requests, and access documentation.

Open an MSP Ticket
Connect with DSE

Find DSE Security on LinkedIn.

Follow Detection Systems & Engineering for company updates, security services, managed technology information, and team news.

Visit LinkedIn

Our ownership team

DSE remains a financially independent, privately held corporation. The ownership team continues to expand the company’s work across physical security, AI-driven video analytics, Zero Trust cybersecurity, managed IT, and compliance support throughout the Midwest.

Jerry Williams, owner of DSE Security

Jerry Williams

Owner

Expanding DSE’s reach throughout financial institutions and industrial markets across the Midwest.

John Rathwell, owner of DSE Security

John Rathwell

Owner

Helping drive growth in banking, municipal government, and regulated commercial sectors.

Steve Everts, owner of DSE Security

Steve Everts

Owner

Leading expansion into managed services, cybersecurity, cloud technologies, and digital transformation.