401(k) · DOL Form 5500 · 2023

Northshore Mining Company 401(k) Plan

Data updated 2026-08-11

$140M
Total assets: 574
Participants: 93rd
Percentile by assets: $243,993
Avg per participant

Official DOL plan name: Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan · Sponsored by Northshore Mining Company · Ohio · Mining & Oil Extraction

$140M in assets, 574 participants

Northshore Mining Company's Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan reported $140M in total assets and 574 participants in its 2023 DOL Form 5500 filing, ranking in the 93rd percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

93rd percentile by assets (of 127,072 plans)
#701 in Mining & Oil Extraction (811 peers)

Where Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan sits by assets

Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan sits in the top 10% of all filed plans by assets, $140M for 574 participants (~$243,993/participant), up 14.4% in 2023.

$140M
total plan assets (2023 EOY): 574
covered participants: 93rd
percentile by assets (of 127,072 plans): $243,993
avg assets per participant

Where Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan sits by total assets

Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$140,052,193 Top 7% higher than 93% of 127,068 filed plans

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023

Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan reported net income rose from -$36M in the plan year 2022 filing to $18M in the plan year 2023 filing.
Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan end-of-year assets rose from $122M in the plan year 2022 filing to $140M in the plan year 2023 filing.
Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan reported participants fell from 612 in the plan year 2022 filing to 574 in the plan year 2023 filing.

See the national 2022→2023 release diff →

State

Ohio

Industry

Mining & Oil Extraction

Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan vs the 2023 asset distribution

By assets, Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan outranks 93% of the 127,072 plans that filed a Form 5500 for the 2023 plan year, and holds roughly 1.4x the national average plan size of $100M (721 average participants).

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)	$122M
Net Assets (End of Year)	$140M
Net Income	$18M
Employer EIN	841116857
Plan Effective Date	1994-10-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Northshore Mining Company)

Total plan assets by year, all Northshore Mining Company plans on file

Year	Plans	Participants	Total Assets
2022	1	612	$122M
2023	1	574	$140M
2024	1	577	$146M

Nearby 401(k) Plans in Ohio

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan vs. nearby 401(k) plans in Ohio, assets vs. participants

GE Retirement Savings Plan $19.5B · 59,766
The Sherwin-Williams Company 401(k) Plan $10.1B · 47,362
The Progressive 401(k) Plan $9.2B · 56,176
The Kroger Co. 401(k) Retirement Savings Account Plan $8.4B · 129,769
Nationwide Savings Plan $7.6B · 24,715

Compare Northshore Mining Company and Silver Bay… side-by-side with 3 peers →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan by total assets, not by location.

Toc-Woodworkers, Iam Defined Contribution Plan and Trust (OR) $140M · 336
Evident Scientific 401(k) Plan (MA) $140M · 703
Pgt Savings Plan (FL) $140M · 5,178
Retirement Savings Plan for the Employees of Mersen USA (NJ) $140M · 1,014

Frequently Asked Questions

How did Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan assets move in 2023? ▼

Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan grew at a solid clip - up 14.4% during 2023, from $122M to $140M. Reported net income was $18M.

How have Northshore Mining Company plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Northshore Mining Company's sponsor-wide assets grew 18.8%, from $122M to $146M.

Where does Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan rank by assets among Form 5500 filers? ▼

Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan ranks in the 93rd percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).

Which 401(k) plans are similar in size to Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan? ▼

Among 401(k) plans in other states, the closest by assets is Toc-Woodworkers, Iam Defined Contribution Plan and Trust in OR ($140M, 336 participants).

Next read for Northshore Mining Company and Silver Bay…

Scale reading

Ways to act on Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan's numbers.

By total assets, Northshore Mining Company and Silver Bay Power Company Retirement Savings Plan ranks in the top 10% of all filed plans by assets. See the largest plans
Compare it side-by-side against 3 similar 401(k) plans in Ohio. Compare plans
Northshore Mining Company's sponsor-wide assets have grown 18.8% since 2022 across 3 plan years on file. More Mining & Oil Extraction plans

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 841116857.