Organization Management Services
OMS is an Association Management company that represents mechanical contractors, in their workings with unionized labor.
OMS works with several apprenticeship programs in the areas of Plumbing, Steamfitting, Fabrication, and Heat & Frost Insulation.
04/16/2026
03/24/2026
Ahern is honored to be awarded the 2025 Mechanical Contractors Association of America/CNA Insurance Safety Excellence Award, one of the highest honors in the mechanical contracting industry for safety performance and innovation.
This recognition reflects the people behind our safety culture — our field and shop crews, leaders, safety team, and everyone who takes personal responsibility for looking out for one another every day.
Safety is more than a priority at Ahern. It is a shared commitment built through training, planning, accountability, and care for our people.
Read more here: https://www.jfahern.com/news/ahern-honored-2025-mcaacna-safety-excellence-award
03/24/2026
12/13/2025
Fox Cities Chamber spotlights skilled trades and UA Local 400’s impact on the region (WFRV)- In today’s Fox Cities Chamber update, they are talking all about the trades. In this segment, Doug Dokey from Plumbers and Steamfitters UA Local 400 explains that they are the union r…
11/20/2025
High school teams from across northeast Wisconsin showcased their craftsmanship and creativity at the 6th Annual Heat Up Your Future skills competition, hosted by Plumbers & Steamfitters UA Local 400 and the Mechanical Contractors Association (MCA) of North Central Wisconsin.
The Heat Up Your Future high school skills competition was designed to introduce students to rewarding careers in the pipe trades which provide excellent pay, job stability, and long-term advancement opportunities.
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Address
3315 N. Ballard Road , Ste. D
Appleton, WI
54911
Opening Hours
| Monday | 8am - 5pm |
| Tuesday | 8am - 5pm |
| Wednesday | 8am - 5pm |
| Thursday | 8am - 5pm |
| Friday | 8am - 4pm |