SMART (the International Association of Sheet Metal, Air, Rail and Transportation Workers) posts about providing Naloxone to union members to allow them to treat opioid overdoses:

The Sheet Metal Occupational Health Institute Trust (SMO­HIT) provides resources to protect union sheet metal workers on the job, at union halls and at training centers across the United States and Canada. SMO­HIT provided automatic external defibrillators (AED) and bleed kits to all locations five years ago, and continues to help members become certified in CPR.

Providing naloxone is no different.

Construction workers build their careers in dangerous situations. Even with every safety measure in place, injuries happen, and when they do, 55% of injured construc­tion workers receive a prescription opioid to manage the pain. Of those injured workers, 29% received two or more opioid prescriptions, according to a study from the Workers Compensation Research Institute.

You can read the full article here.  The WCRI study they cite is "Correlates of Opioid Dispensing" (2018.)  Click the link for more details, including information on how to download a copy!