PlanOptica
Free ERISA searchPricing
Sign inStart for $4.99
  1. Companies/
  2. SONOMA UNDERGROUND SERVICES INC.
Sponsor portfolio

SONOMA UNDERGROUND SERVICES INC.

EIN 20-2570102-construction-Latest filing 2025
Plans
1
Retirement
1
$306K assets
Welfare
0
Participants
11
103 FORD DRIVE - NEW LENOX, IL 60451815-320-3222sonoma-underground.comLinkedIn11-50 employeesconstruction
Plans on this EIN
1 filing
#001401k-$306K - 11 part

Plan deep-dives

Open the plan detail for the full per-plan analytics: fees vs peers, audit grade, asset trajectory, contribution flow, Schedule C providers, and more.
Retirement#001

SONOMA UNDERGROUND SERVICES INC. 401(K) PROFIT SHARING PLAN

401k

Assets$306K
Participants11
Inside the deep dive
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan deep dive
Single plan on file. The full analytics live on the plan detail page - drill in to see them.

Retirement plans1

Plan #NameTypeAssetsParticipantsLatest year
001SONOMA UNDERGROUND SERVICES INC. 401(K) PROFIT SHARING PLAN401k$306K112025
Retirement plans
PlanOptica

Plan research for advisors and brokers. Retirement and welfare filings, peer-ranked and a decade deep, sourced to the line.

Product
  • Retirement plans
  • Welfare plans
  • Providers
  • Pricing
Data
  • Downloads hub
  • Retirement plans CSV
  • Welfare plans CSV
  • Custom analytics
Resources
  • Free ERISA search
  • Free EIN lookup
  • Documentation
  • Filter catalog
  • Glossary
Company
  • About
  • Contact
  • Privacy
  • Terms
© 2026 PlanOptica