Plan Ledger DOL Form 5500 · updated monthly

Corrosion Engineering, Inc.401(k)

CORROSION ENGINEERING, INC. 401(K) PROFIT SHARING PLAN AND TRUST · MESA, AZ · plan year 2023

Reported admin expense ratio · 2023
0.62%

Peer grade: C · admin costs + employer contributions vs same-size plans · how grading works

Corrosion Engineering, Inc. reported $32,572 in plan administrative expenses for 2023: 0.62% of average plan assets, above the peer median. Employer contributions averaged $617 per active participant. This ratio covers administrative expenses reported on the plan's Schedule H only; fund-level expense ratios are not included in public structured data — see methodology.

Across the 3 years on file its reported administrative ratio fell from 0.66% to 0.57%. The plan sits in the $1M–$10M size bracket, benchmarked here against 22,307 comparable plans and shown alongside other manufacturing employers. By assets it is among the smaller plans on file in Arizona (786th of 1,285), and 10,856th of 13,661 in manufacturing. In 2023, employees put in $6.18 for every $1.00 the employer contributed; active participation has grown from 93 to 114 since 2022.

Plan summary
Net assets, end of year$5,680,465
Participants with balances104
Active participants114
Employer contributions$70,317
Employee contributions$434,344
Employer contribution per active participant$617
Average account balance$54,620
Benefits paid to participants$229,336
Plan auditUnmodified (clean) audit opinion
Plan history4
Yearassets · accounts · employer contribution
2025$5.5M · 121 accts · $77K emplr
2024$5.5M · 129 accts · $68K emplr
2023$5.7M · 104 accts · $70K emplr
2022$4.8M · 103 accts · $61K emplr
Administrative expenses, itemized · 2023
Recordkeeping & contract admin$17,782
Investment management$14,790
Total administrative$32,572
The Corrosion Engineering, Inc. 401(k) match · 2023
Employer contribution per active participant$617
Median for plans this size$1,308
2025$723 per active participant
2024$565 per active participant
2023$617 per active participant
2022$656 per active participant

Corrosion Engineering, Inc.'s 2023 employer contribution ran below the $1,308 median for plans its size, in the bottom quarter of its peers. Filings report dollars actually contributed, not the match formula; the formula itself (for example, 50% of the first 6% of pay) lives in the plan's summary plan description from HR.

What these fees cost you

Annual cost at the plan's reported 2023 administrative ratio, against the median plan its size; fund expense ratios are extra. Compare any plan.

Service providers · 20232
FIDELITY INVESTMENTS INSTITUTIONAL · Loan processing$17,782
ARCWOOD FINANCIAL LLC · Investment advisory (plan)$14,790

Compensation shown is direct payments from plan assets reported on Schedule C. Providers paid through fund revenue-sharing appear as indirect.

Administrative cost history4
2025$31,154 · 0.57%
2024$34,640 · 0.62%
2023$32,572 · 0.62%
2022$33,589 · 0.66%
Same employer
Similar plansManufacturing · Arizona
Rauch North America, Inc. AZ$6.4M · 1.49%
Vantage Mobility, LLC AZ$5.9M · 0.52%
Gruber Industries, Inc. AZ$4.8M · 0.70%

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Source: U.S. Department of Labor, Form 5500 series, EIN 860328603 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.