World Environment Day 2022

a Circular Economy

Our Earth has limited resources to meet seemingly
unlimited needs. Take part in our discussion on moving
from a take-make-waste model to a more closed-loop,
circular economy benefiting sustainability and trade. 

UL’s Fire Safety Research Institute

Fighting Fires
With Science

FSRI has published an online training course
based on a multiyear study of coordinated
firefighting suppression and ventilation tactics. 

Center for Advancing Safety of Machine Intelligence
Center for Advancing Safety of Machine Intelligence (CASMI)

When the Internet Is
Part of Nearly
Everything We Do...

Along with Northwestern University, we are
working on various projects seeking safety
in digital spaces — those we use today and
the ones being built for tomorrow.

Downtown Disasters - Chicago Iroquois Theatre 1903 fire
Underwriters Laboratories

The Iroquois Theatre Fire’s Enduring Legacy

Not only did the 1903 disaster featured on WTTW-TV give rise to fire safety reforms, but it also helped inspire the creation of the UL label system widely recognized today as a symbol of safety. 

Dedicated to Safety. Guided by Science.

At Underwriters Laboratories, we are dedicated to creating a safer, more secure, and sustainable future. Since our founding in 1894, we’ve conducted rigorous independent research and have delivered lasting scientific contributions to improve living and working conditions throughout the world.


As we step into the future, we continue to drive transformative change in pursuit of a safer and more resilient society.

Remote video URL
Learn how Underwriters Laboratories uses science to create a safer world.

Underwriters Laboratories conducts original scientific research and releases information and reports for the benefit of public and private stakeholders.

Underwriters Laboratories brings together key stakeholders and decision-makers from a wide cross-section of the global safety community. We seek to facilitate discussions that improve safety policies and practices around the world.