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  2. Oak Brook Mechanical Services, Inc.

Filings through Oct 24, 2026.

Oak Brook Mechanical Services, Inc.

EIN 36-2826084-facilities services-Latest filing 2025
Plans
1
Retirement
1
$3.0M assets
Health & Benefits
0
Participants
20
961 S. ROUTE 83 - ELMHURST, IL 60126630-941-3555omshvac.comLinkedIn11-50 employeesfacilities services
Plans on this EIN
1 filing
#001401(k)-$3.0M - 20 part

Plan summaries

The plan page shows fees vs peers, audit grade, asset history, contributions and Schedule C providers.

Retirement#001

OAK BROOK MECHANICAL SERVICES, INC. 401(K) PLAN

401(k)

Assets$3.0M
Participants20
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
This company has one plan on file. Open the plan page to see all of its data.

Retirement plans

1 plan on this EIN

PlanNameTypeAssetsParticipantsLatest year
#001OAK BROOK MECHANICAL SERVICES, INC. 401(K) PLAN401(k)$3.0M202025
  • OAK BROOK MECHANICAL SERVICES, INC. 401(K) PLAN$3.0M
    #001 · 401(k) · 202520
Retirement plans
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