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  2. Oil Well Service Co.
  • Retirement analytics
  • Benefits analytics
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  • Retirement plans
  • Health & Benefits plans

Filings through Oct 24, 2026.

Oil Well Service Co.

EIN 95-1062955-oil & energy-Latest filing 2025
Plans
3
Retirement
2
$22.9M assets
Health & Benefits
1
$1.4M premiums
Participants
411
1241 EAST BURNETT STREET. - SIGNAL HILL, CA 90755562-595-4501ows1.comLinkedIn1-10 employeesoil & energy
Plans on this EIN
3 filings
#003ESOP-$17.4M - 227 part#002401(k)-$5.5M - 103 part#501Fully insured-$1.4M - 155 lives

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

Retirement portfolio analytics

2 plans aggregated / $22.9M assets / 330 participants

Assets by plan

Share of aggregate retirement assets

  • EMPLOYEE STOCK OWNERSHIP (#003)$17.4M
  • CO. EMPLOYEES 401(K) (#002)$5.5M
Total $22.9MSelect a row to open it

Recordkeeper share

DC plan assets by Schedule C recordkeeper

Entrenched
  • (Not disclosed)$17.4M
  • JOHN HANCOCK LIFE INSURANCE COMPANY$5.5M
Total $22.9MSelect a row to open it

Participants by plan

Active + retired + deferred vested

  • EMPLOYEE STOCK OWNERSHIP (#003)227
  • CO. EMPLOYEES 401(K) (#002)103
Total 330Select a row to open it

Benefits portfolio analytics

1 plan / $1.4M premiums / 155 covered lives

Coverage by line

Premium dollars by benefit type (bundled lines overlap)

  • Health$1.3M
  • Prescription drug$1.3M
  • Dental$73K
  • Life$12K
  • Other$12K
Total $1.4M5 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#003

OIL WELL SERVICE CO. EMPLOYEE STOCK OWNERSHIP PLAN

ESOP

Assets$17.4M
Participants227
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
Retirement#002

OIL WELL SERVICE CO. EMPLOYEES 401(K) PLAN

401(k)

Assets$5.5M
Participants103
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
Health & Benefits#501

OIL WELL SERVICES WELFARE BENEFITS PLAN

Fully insured - KAISER FOUNDATION HEALTH PLAN INC.

Premiums$1.4M
Covered lives155
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan

Retirement plans

2 plans on this EIN

PlanNameTypeAssetsParticipantsLatest year
#003OIL WELL SERVICE CO. EMPLOYEE STOCK OWNERSHIP PLANESOP$17.4M2272025
#002OIL WELL SERVICE CO. EMPLOYEES 401(K) PLAN401(k)$5.5M1032025
  • OIL WELL SERVICE CO. EMPLOYEE STOCK OWNERSHIP PLAN$17.4M
    #003 · ESOP · 2025227
  • OIL WELL SERVICE CO. EMPLOYEES 401(K) PLAN$5.5M
    #002 · 401(k) · 2025103

Health & Benefits plans

1 plan on this EIN

PlanNameFundingCarrierPremiumsCoveredLatest year
#501OIL WELL SERVICES WELFARE BENEFITS PLANFully insuredKAISER FOUNDATION HEALTH PLAN INC.$1.4M1552025
  • OIL WELL SERVICES WELFARE BENEFITS PLAN$1.4M
    #501 · Fully insured · KAISER FOUNDATION HEALTH PLAN INC. · 2025155
Retirement plans
Health & Benefits plans

On this page

  1. Retirement analytics
  2. Benefits analytics
  3. Plan summaries
  4. Retirement plans
  5. Health & Benefits plans
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