Teamster stewards are the backbone of the union!

Stewards monitor and enforce the collective bargaining agreement that has been negotiated between the union and management at their workplace. They advocate for their Teamster co-workers by investigating workplace issues and bringing concerns and formal grievances to management’s attention. Teamster stewards are leaders who wear many hats and play a critical role in building the strength of our members.

Below is a list of bargaining units and their respective stewards


A#1 Express - Hector Hernandez

American Wilbert Vault - LeRoy Berndt


Bluelinx - David Pangburn

Brickworks - Michael Troncozo


Elston Materials - Kenneth Holtz

L & W Supply - Gregory Donavan


Material Service Corp. - John Malone


Ozinga - Josue Carvajal

Ozinga - Keith Kourakis

Ozinga - Troy Williams

Ozinga Cement - Andrew Kuipers


Ozinga Transportation - Burdette Gass

Orange Crush, LLC - Brian Ederati


Oremus Materials - Shawn Malnati

QXO - Juan Arzuaga

QXO - Juan Esparza

Prairie Materials - Robert Bartusiak

Prairie Materials - Dennis Beggs

Prairie Materials - Jesse Durden Jr.

Prairie Materials - Harold Finnelly

Prairie Materials - Charles Gould

Prairie Materials - Mark Nieciecki

Standard Lumber - Frederick Gould


Utility Transport Service - Joseph Diaz

Vulcan Materials - James Pickering


Willie Bros. Construction - Bruce Van Etten


If a new employee starts with the company, stewards should approach them with information on the benefits of the union as well as an authorization form/application for union membership.  If stewards do not have authorization forms in their possession they should immediately contact Local 786 or their Business Agent to receive them.

Local 786 appreciates and commends its stewards on the front line.

For additional steward information from the International Brotherhood of Teamsters, click here.






Page Last Updated: Mar 06, 2026 (07:42:29)
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Teamsters Local 786
300 South Ashland Ave. Suite 501
Chicago, Illinois 60607
  312-666-2750

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