Who We Are

DHI is an association proudly serving door security and safety professionals, and the dynamic companies they represent, in the non-residential construction industry. Through education, advocacy, accreditation and facilitated networking, we provide members with the collective intelligence to meet the security and safety needs of their customers.
Learn more about the New Day, New DHI.


2018 Spring Technical School Registration Now Open
Technical School is back in session! April 8-15 at the National Conference Center in Lansdowne, VA. This year’s school brings over 20 technical classes from beginner to advanced. Register Today!
For housing and registration click here

Door Security + Safety Magazine
The next evolution of DHI’s flagship communication vehicle has published! Same valuable content with fresh new look and name. Check out the premiere issue and our video about why we’ve evolved. 

NFPA Staff Member Becomes an FDAI
In a recent article from NFPA, Ron Coté, P.E., FDAI, NFPA Technical Services Lead for Life Safety shared the importance of acquiring this level of knowledge and education to obtain his FDAI credential. You can read Ron Coté’s full article here and share this link with your customers and colleagues!

DHI and ACBM Partner to Advance DHI conNextions
DHI is pleased to announce a strategic partnership with AC Business Media (ACBM) to advance the door and hardware industry annual convention through its next stage of evolution to be known as DHI conNextions - Door Security + Safety Conference and Exposition. Read the full press release here.

A New Day, A New DHI!
Change is the new normal here at DHI. Check out this webpage filled with videos, links and articles about some of our new initiatives.

Wear Your DHI!
We've launched a new DHI store with apparel and business accessories for you and your team of Door Security + Safety Professionals. Enter the Store

Opening the Door to School Safety
DSSF has launched an important education campaign and video against barricade devices aimed at school administrators, pointing to door security + safety professionals as the experts they need. Be sure to Watch, Share, and Give to this campaign. #LockDontBlock


2018 DHI Spring School
April 8 - 15
National Conference Center
Lansdowne, VA
Course Schedule

Online Registration

Registration Form

Legacy Certification Exams Registration


conNextions 2018
May 9 – 11
Baltimore Convention Center
Baltimore, MD
DHI and ACBM Partner to Advance DHI conNextions

2018 DHI Canada Spring School
May 28 - June 2
Holiday Inn Montreal Airport Hotel
6500 Cote de Liesse, Montreal, PQ H4T 1E3

2018 DHI Fall School
October 22 - 27
Embassy Suites
Scottsdale, AZ

2018 DHI Canada Fall School

Nov 5 - 9
Calgary, AB





DHI Education

DHI education is important to becoming a door security + safety professional and remaining current in the industry. We offer classes online, in-person, at our technical schools, and much more. Education is a cornerstone of DHI.

DHI Certification

DHI is the focal point for a team of more than 2,200 professional consultants whose efforts improve the lifestyle of millions of people as well as enhance the fire and life safety of buildings and their occupants.

DHI Membership

We serve as the primary resource for education, accreditation, networking and advocacy in the non-residential door and hardware industry.

DHI Events

There’s always something going on at DHI! From our annual trade show and exposition, DHI conNextions, Technical Schools, Chapter events or Door Security & Safety Foundation classes, you can find it all right here.

Door Security + Safety Magazine

Take a glance at this month’s issue, and find out how to advertise or contribute an article.

Door Security & Safety Foundation

Learn about the Foundation’s mission to promote secure and safe openings that enhance life safety, and how you can help.