CMC MATERIALS, INC.

The Employer Identification Number (EIN) for CMC MATERIALS, INC. is 36-4324765.

At a glance

EIN: 36-4324765 · 364324765
Legal name: CMC MATERIALS, INC.
Also filed as: CABOT MICROELECTRONICS CORP
Address on file: 870 N COMMONS DRIVE, AURORA, IL 60504
Records show: SEC filer; employer with a benefit plan
Latest record: 2025-04-22

Benefit plans

DOL Form 5500 filings (EFAST2) · records as of 2025-04-22

Benefit plan 1, 2023 filing: CMC MATERIALS, INC. 401(K) PLAN; Source: DOL 5500 · as of 2025-04-22
Participants (start of year): 1,595; Source: DOL 5500 · as of 2025-04-22
Plan features: ERISA 404(c) plan; Participant-directed; 401(k) feature; 401(m) matching; Pension plan with defined contribution; Automatic enrollment; Source: DOL 5500 · as of 2025-04-22
Plan type: Single-employer plan; Source: DOL 5500 · as of 2025-04-22
Business code (NAICS): 325100; Source: DOL 5500 · as of 2025-04-22
Benefit plan 501, 2023 filing: CMC MATERIALS, INC. GROUP WELFARE BENEFIT PLAN; Source: DOL 5500 · as of 2024-06-28
Participants (start of year): 1,239; Source: DOL 5500 · as of 2024-06-28
Plan features: Health (other than dental or vision); Life insurance; Dental; Vision; Temporary disability; Long-term disability; Source: DOL 5500 · as of 2024-06-28
Plan type: Single-employer plan; Source: DOL 5500 · as of 2024-06-28
Business code (NAICS): 325100; Source: DOL 5500 · as of 2024-06-28
Benefit plan 1, 2022 filing: CMC MATERIALS, INC. 401(K) PLAN; Source: DOL 5500 · as of 2023-10-16
Participants (start of year): 1,540; Source: DOL 5500 · as of 2023-10-16
Plan features: Participant-directed; 401(k) feature; 401(m) matching; Pension plan with defined contribution; Automatic enrollment; Plan sponsor is a member of a controlled group; Source: DOL 5500 · as of 2023-10-16
Plan type: Single-employer plan; Source: DOL 5500 · as of 2023-10-16

What this record is

Public filings that carry this EIN (DOL Form 5500 filings (EFAST2) and SEC EDGAR company filings), shown as filed. Nothing is scraped from the IRS, and a public-record match is not IRS TIN validation.

What it is not

Registry status, formation date, and registered agent come from the Illinois Secretary of State, Department of Business Services; see the Illinois business entity search.

If something is wrong

A name, address, or classification here is what the source published. To correct the source, file with it; to have this page removed, see corrections and removal.

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