EntityWire/Colorado business entity search →/MESA LABORATORIES, INC.
Employer with a benefit plan
MESA LABORATORIES, INC.
The Employer Identification Number (EIN) for MESA LABORATORIES, INC. is 84-0872291.
At a glance
- EIN
- 84-0872291 · 840872291
- Legal name
- MESA LABORATORIES, INC.
- Address on file
- 12100 WEST SIXTH AVENUE, LAKEWOOD, CO 80228
- Records show
- SEC filer; employer with a benefit plan; state registration
- Latest record
- 2026-08-27
State registration
Florida Division of Corporations (Sunbiz) bulk data · records as of 2026-07-10
- Florida registration
- Active · Foreign profit corporation
- Source: Florida registry · as of 2026-07-10
- Florida document number
- F24000000457
- Source: Florida registry · as of 2026-07-10
- Registered in Florida
- 2024-01-29
- Source: Florida registry · as of 2026-07-10
- Registered agent
- CORPORATION SERVICE COMPANY
- Source: Florida registry · as of 2026-07-10
SEC records
SEC EDGAR company filings · records as of 2026-08-27
- SEC CIK
- 0000724004
- Source: SEC · as of 2026-08-27
- Industry (SIC)
- Industrial Instruments For Measurement, Display, and Control (3823)
- Source: SEC · as of 2026-08-27
- State of incorporation
- CO
- Source: SEC · as of 2026-08-27
- Ticker
- MLAB
- Source: SEC · as of 2026-08-27
- Latest SEC filing
- 144 2026-08-27
- Source: SEC · as of 2026-08-27
Benefit plans
DOL Form 5500 filings (EFAST2) · records as of 2025-10-13
- Benefit plan 1, 2024 filing
- MESA LABORATORIES, INC. 401(K) RETIREMENT PLAN
- Source: DOL 5500 · as of 2025-10-13
- Participants (start of year)
- 617
- Source: DOL 5500 · as of 2025-10-13
- Plan features
- ERISA 404(c) plan; Participant-directed; 401(k) feature; 401(m) matching; Automatic enrollment; Profit-sharing
- Source: DOL 5500 · as of 2025-10-13
- Plan type
- Single-employer plan
- Source: DOL 5500 · as of 2025-10-13
- Business code (NAICS)
- 334500
- Source: DOL 5500 · as of 2025-10-13
What this record is
Public filings that carry this EIN (DOL Form 5500 filings (EFAST2), Florida Division of Corporations (Sunbiz) bulk data 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 Colorado Secretary of State, Business and Licensing Division; see the Colorado 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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