PlanOptica
CompaniesPricing
Sign inTry Pro free
Try Pro free
  1. Companies/
  2. Mark Thomas & Company, Inc.
  • Retirement analytics
  • Benefits analytics
  • Plan summaries
  • Retirement plans
  • Health & Benefits plans

Filings through Oct 24, 2026.

Top hat

Mark Thomas & Company, Inc.

EIN 94-1451490-civil engineering-Latest filing 2025
Plans
3
Retirement
2
$120.4M assets
Health & Benefits
1
$2.7M premiums
Participants
1,563
2833 JUNCTION AVENUE, SUITE 110 - SAN JOSE, CA 95134408-453-5373markthomas.comLinkedIn201-500 employeescivil engineering
Plans on this EIN
3 filings
#002401(k)-$80.6M - 697 part#001ESOP-$39.8M - 431 part#502Mixed-$2.7M - 858 lives

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

Retirement portfolio analytics

2 plans aggregated / $120.4M assets / 1,128 participants

Assets by plan

Share of aggregate retirement assets

  • INC. 401(K) Savings (#002)$80.6M
  • EMPLOYEE STOCK OWNERSHIP (#001)$39.8M
Total $120.4MSelect a row to open it

Participants by plan

Active + retired + deferred vested

  • INC. 401(K) Savings (#002)697
  • EMPLOYEE STOCK OWNERSHIP (#001)431
Total 1,128Select a row to open it

Benefits portfolio analytics

1 plan / $2.7M premiums / 858 covered lives

Coverage by line

Premium dollars by benefit type (bundled lines overlap)

  • Health$2.4M
  • Prescription drug$2.4M
  • Other$316K
  • Life$257K
  • Short-term disability$257K
  • Long-term disability$257K
  • +1 more
Total $2.7M7 rows
See carrier and broker market share with Pro.
Pro unlocks:
  • Top carriers and their premium share
  • Top brokers and their commission share

Plan summaries

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

Retirement#002

MARK THOMAS & COMPANY, INC. 401(K) SAVINGS PLAN

401(k)

Assets$80.6M
Participants697
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
Retirement#001

MARK THOMAS & COMPANY, INC. EMPLOYEE STOCK OWNERSHIP PLAN

ESOP

Assets$39.8M
Participants431
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
Health & Benefits#502

MARK THOMAS & CO. , INC. EMPLOYEES WELFARE BENEFIT PLAN

Mixed - KAISER FOUNDATION HEALTH PLAN INC.

Premiums$2.7M
Covered lives858
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan

Retirement plans

2 plans on this EIN

PlanNameTypeAssetsParticipantsLatest year
#002MARK THOMAS & COMPANY, INC. 401(K) SAVINGS PLAN401(k)$80.6M6972025
#001MARK THOMAS & COMPANY, INC. EMPLOYEE STOCK OWNERSHIP PLANESOP$39.8M4312025
  • MARK THOMAS & COMPANY, INC. 401(K) SAVINGS PLAN$80.6M
    #002 · 401(k) · 2025697
  • MARK THOMAS & COMPANY, INC. EMPLOYEE STOCK OWNERSHIP PLAN$39.8M
    #001 · ESOP · 2025431

Health & Benefits plans

1 plan on this EIN

PlanNameFundingCarrierPremiumsCoveredLatest year
#502MARK THOMAS & CO. , INC. EMPLOYEES WELFARE BENEFIT PLANMixedKAISER FOUNDATION HEALTH PLAN INC.$2.7M8582025
  • MARK THOMAS & CO. , INC. EMPLOYEES WELFARE BENEFIT PLAN$2.7M
    #502 · Mixed · KAISER FOUNDATION HEALTH PLAN INC. · 2025858
Retirement plans
Health & Benefits plans

On this page

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

Advisors and brokers use PlanOptica to research retirement and health plans. Each plan has 10 years of filings, a peer rank and a source for every number.

Product
  • Retirement
  • Health & Benefits
  • Funds & Managers
  • Companies
  • Pricing
Data
  • Downloads
  • Retirement plans CSV
  • Health & Benefits plans CSV
  • Plan holdings CSV
  • Custom analysis
  • API and AI agents
Resources
  • Free ERISA search
  • Free EIN lookup
  • All providers
  • Health & Benefits providers
  • Filter catalog
  • Documentation
  • Glossary
  • Compare
Company
  • About
  • Research
  • Press
  • Contact
  • Privacy
  • Terms
© 2026 PlanOptica