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  2. Gilson, Inc.
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Filings through Oct 24, 2026.

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Gilson, Inc.

EIN 39-1081537-biotechnology-Latest filing 2025
Plans
2
Retirement
1
$48.9M assets
Health & Benefits
1
$1.6M premiums
Participants
309
PO BOX 620828 - MIDDLETON, WI 53562608-836-1551gilson.comLinkedIn501-1000 employeesbiotechnology
Plans on this EIN
2 filings
#001401(k)-$48.9M - 204 part#501Fully insured-$1.6M - 216 lives

Health & Benefits portfolio - carriers, brokers and premium across this company's health and benefits plan.

Benefits portfolio analytics

1 plan / $1.6M premiums / 216 covered lives

Coverage by line

Premium dollars by benefit type (bundled lines overlap)

  • Vision$1.5M
  • Health$1.5M
  • Dental$80K
  • Life$50K
  • Long-term disability$50K
  • Other$50K
Total $1.6M6 rows
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Plan summaries

Each card links to its plan page. The plan page shows fees vs peers, audit grade, history and counterparties.

Retirement#001

GILSON, INC. EMPLOYEES RETIREMENT PLAN

401(k)

Assets$48.9M
Participants204
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
Health & Benefits#501

GILSON, INC. WELFARE BENEFIT PLAN

Fully insured - GROUP HEALTH COOPERATIVE OF SOUTH CENTRAL WISCONSIN

Premiums$1.6M
Covered lives216
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan

Retirement plans

1 plan on this EIN

PlanNameTypeAssetsParticipantsLatest year
#001GILSON, INC. EMPLOYEES RETIREMENT PLAN401(k)$48.9M2042025
  • GILSON, INC. EMPLOYEES RETIREMENT PLAN$48.9M
    #001 · 401(k) · 2025204

Health & Benefits plans

1 plan on this EIN

PlanNameFundingCarrierPremiumsCoveredLatest year
#501GILSON, INC. WELFARE BENEFIT PLANFully insuredGROUP HEALTH COOPERATIVE OF SOUTH CENTRAL WISCONSIN$1.6M2162024
  • GILSON, INC. WELFARE BENEFIT PLAN$1.6M
    #501 · Fully insured · GROUP HEALTH COOPERATIVE OF SOUTH CENTRAL WISCONSIN · 2024216
Retirement plans
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