EntityWire/Illinois business entity search →/NANOPHASE TECHNOLOGIES CORPORATION
Employer with a benefit plan
NANOPHASE TECHNOLOGIES CORPORATION
NANOPHASE TECHNOLOGIES CORPORATION's Employer Identification Number (EIN) is 36-3687863.
At a glance
- EIN
- 36-3687863 · 363687863
- Legal name
- NANOPHASE TECHNOLOGIES CORPORATION
- Also filed as
- SOLESENCE, INC.
- Address on file
- 1319 MARQUETTE DRIVE, ROMEOVILLE, IL 604464011
- Records show
- SEC filer; employer with a benefit plan
- Latest record
- 2026-08-21
SEC records
SEC EDGAR company filings · records as of 2026-08-21
- SEC CIK
- 0000883107
- Source: SEC · as of 2026-08-21
- Industry (SIC)
- Perfumes, Cosmetics & Other Toilet Preparations (2844)
- Source: SEC · as of 2026-08-21
- State of incorporation
- DE
- Source: SEC · as of 2026-08-21
- Ticker
- SLSN
- Source: SEC · as of 2026-08-21
- Latest SEC filing
- 8-K 2026-08-21
- Source: SEC · as of 2026-08-21
Benefit plans
DOL Form 5500 filings (EFAST2) · DOL Form 5500-SF filings (EFAST2) · records as of 2025-10-09
- Benefit plan 1, 2024 filing
- NANOPHASE TECHNOLOGIES CORPORATION 401K PROFIT SHARING PLAN
- Source: DOL 5500 · as of 2025-10-09
- Participants (start of year)
- 115
- Source: DOL 5500 · as of 2025-10-09
- Plan features
- Profit-sharing; 401(k) feature; 401(m) matching; Participant-directed; Pre-approved plan; ERISA 404(c) plan
- Source: DOL 5500 · as of 2025-10-09
- Plan type
- Single-employer plan
- Source: DOL 5500 · as of 2025-10-09
- Business code (NAICS)
- 327900
- Source: DOL 5500 · as of 2025-10-09
- Benefit plan 1, 2023 filing
- NANOPHASE TECHNOLOGIES CORPORATION 401K PROFIT SHARING PLAN
- Source: DOL 5500-SF · as of 2024-09-03
- Participants (start of year)
- 126
- Source: DOL 5500-SF · as of 2024-09-03
- Plan assets (end of year)
- $5,896,637
- Source: DOL 5500-SF · as of 2024-09-03
- Plan features
- Profit-sharing; 401(k) feature; 401(m) matching; Participant-directed; Pre-approved plan; ERISA 404(c) plan
- Source: DOL 5500-SF · as of 2024-09-03
What this record is
Public filings that carry this EIN (DOL Form 5500 filings (EFAST2), DOL Form 5500-SF 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.
Other Illinois businesses on file
- WESTELL TECHNOLOGIES, INC.EIN 36-3154957
- INVENTRUST PROPERTIES CORP.EIN 34-2019608
- CENTERPOINT PROPERTIES TRUSTEIN 36-3910279
- YUNHONG CTI LTDEIN 36-2848943
- CRANE EQUIPMENT & SERVICE OF ILLINOIS, INC.EIN 73-1515437
- ETON PHARMACEUTICALS INCEIN 37-1858472
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