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Joining the Security Industry Association

Thank you for your interest in SIA membership. To join, simply complete the application linked below. After our normal processing time of two business weeks, your company's liaison will be contacted to confirm final approval.

If you have questions during this period, please contact SIA's Membership Department via email at, or by telephone at 301-804-4700.

Our members love to share their experiences with SIA and how we have helped them improve their company's profile in the industry. To hear from some of our current members and their feedback, visit our Member Profiles page. 

To apply for membership, companies must complete and submit an application form. To apply now, click here.​