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  2. MGE UNDERGROUND, INC.
Sponsor portfolio

MGE UNDERGROUND, INC.

EIN 77-0514177-construction-Latest filing 2025
Plans
2
Retirement
1
$17.5M assets
Welfare
1
$2.7M premiums
Participants
448
PO BOX 4189 - PASO ROBLES, CA 93447805-238-3510mgeunderground.comLinkedIn201-500 employeesconstruction
Plans on this EIN
2 filings
#001401k-$17.5M - 241 part#501Fully Insured-$2.7M - 443 lives

Benefits portfolio analytics

1 plan / $2.7M premiums / 443 covered lives

Coverage by line

Premium dollars by benefit type (bundled lines overlap)

  • Health$2.6M
  • Prescription drug$2.6M
  • Other$2.4M
  • Dental$2.3M
  • Vision$2.3M
  • Life$49K
Total $2.7M6 rows

Carrier market share

Premium dollars by Schedule A carrier

Multi-vendor
86%top
  • BLUE CROSS OF CALIFORNIA86%
  • KAISER FOUNDATION HEALTH PLAN INC12%
  • HUMANA INSURANCE COMPANY2%
Total $2.7M3 slices

Broker market share

Schedule A broker compensation

Split broker
80%top
  • ASSUREDPARTNERS80%
  • AMWINS20%
Total $199K2 slices

Plan deep-dives

Per-plan teasers. The full analytics (fees vs peers, audit grade, trajectory, counterparties) live on each plan detail page.
Retirement#001

MGE UNDERGROUND, INC. 401(K) PLAN

401k

Assets$17.5M
Participants241
Inside the deep dive
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan deep dive
Welfare#501

MGE UNDERGROUND, INC. WELFARE BENEFIT PLAN

Fully Insured - BLUE CROSS OF CALIFORNIA

Premiums$2.7M
Covered lives443
Inside the deep dive
Premium breakdownCarriersBrokersCoverage stats
Open plan deep dive

Retirement plans1

Plan #NameTypeAssetsParticipantsLatest year
001MGE UNDERGROUND, INC. 401(K) PLAN401k$17.5M2412024

Welfare plans1

Plan #NameFundingCarrierPremiumsCoveredLatest year
501MGE UNDERGROUND, INC. WELFARE BENEFIT PLANFully InsuredBLUE CROSS OF CALIFORNIA$2.7M4432025
Retirement plans
Welfare plans
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