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  1. Companies/
  2. Dema Engineering Co.
  • Retirement analytics
  • Benefits analytics
  • Plan summaries
  • Retirement plans
  • Health & Benefits plans

Filings through Oct 24, 2026.

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Dema Engineering Co.

EIN 43-0721397-consumer goods-Latest filing 2025
Plans
3
Retirement
2
$34.4M assets
Health & Benefits
1
$219K premiums
Participants
456
10020 BIG BEND RD - ST LOUIS, MO 63122314-966-3533demaeng.comLinkedIn201-500 employeesconsumer goods
Plans on this EIN
3 filings
#334401(k)-$32.9M - 121 part#335401(k)-$1.5M - 95 part#511Mixed-$219K - 402 lives

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

Retirement portfolio analytics

2 plans aggregated / $34.4M assets / 216 participants

Assets by plan

Share of aggregate retirement assets

  • CO. 401K PLAN (#334)$32.9M
  • CO. UNION 401(K) (#335)$1.5M
Total $34.4MSelect a row to open it

Participants by plan

Active + retired + deferred vested

  • CO. 401K PLAN (#334)121
  • CO. UNION 401(K) (#335)95
Total 216Select a row to open it

Benefits portfolio analytics

1 plan / $219K premiums / 402 covered lives

Coverage by line

Premium dollars by benefit type (bundled lines overlap)

  • Other$199K
  • Life$197K
  • Short-term disability$197K
  • Long-term disability$197K
  • Vision$21K
Total $219K5 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#334

DEMA ENGINEERING CO. 401K PLAN

401(k)

Assets$32.9M
Participants121
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
Retirement#335

DEMA ENGINEERING CO. UNION 401(K) PLAN

401(k)

Assets$1.5M
Participants95
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
Health & Benefits#511

DEMA ENGINEERING NON-BARGAINING WELFARE BENEFITS PLAN

Mixed - RELIANCE STANDARD LIFE INSURANCE COMPANY

Premiums$219K
Covered lives402
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan

Retirement plans

2 plans on this EIN

PlanNameTypeAssetsParticipantsLatest year
#334DEMA ENGINEERING CO. 401K PLAN401(k)$32.9M1212025
#335DEMA ENGINEERING CO. UNION 401(K) PLAN401(k)$1.5M952025
  • DEMA ENGINEERING CO. 401K PLAN$32.9M
    #334 · 401(k) · 2025121
  • DEMA ENGINEERING CO. UNION 401(K) PLAN$1.5M
    #335 · 401(k) · 202595

Health & Benefits plans

1 plan on this EIN

PlanNameFundingCarrierPremiumsCoveredLatest year
#511DEMA ENGINEERING NON-BARGAINING WELFARE BENEFITS PLANMixedRELIANCE STANDARD LIFE INSURANCE COMPANY$219K4022025
  • DEMA ENGINEERING NON-BARGAINING WELFARE BENEFITS PLAN$219K
    #511 · Mixed · RELIANCE STANDARD LIFE INSURANCE COMPANY · 2025402
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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