THERMO FISHER SCIENTIFIC INC.
Thermo Fisher Scientific Inc. is an American life science and clinical research company. It is a global supplier of analytical instruments, clinical development solutions, specialty diagnostics, laboratory, pharmaceutical and biotechnology services. Based in Waltham, Massachusetts, Thermo Fisher was formed through the merger of Thermo Electron and Fisher Scientific in 2006. Thermo Fisher Scientific has acquired other reagent, consumable, instrumentation, and service providers, including Life Technologies Corporation (2013), Alfa Aesar (2015), Affymetrix (2016), FEI Company (2016), BD Advanced Bioprocessing (2018), and PPD (2021).
Basic company information
Each field links to its source. Financial figures retain their reporting periods; background references are identified in the source list.
- Ticker / security symbols
- TMO [1]
- Listing exchanges
- NYSE [1]
- SEC industry
- Measuring & Controlling Devices, NEC [1]
- Business sectors
- biotechnology industry [2]
- Company / filing name
- THERMO FISHER SCIENTIFIC INC. [1]
- Headquarters location
- Waltham [2]
- Business address
- 168 THIRD AVENUE, WALTHAM, MA, 02451 [1]
- Founded
- 2006 [2]
- Legal form
- S.A. [2]
- Incorporation jurisdiction
- Delaware, United States [1]
- Official website
- www.thermofisher.com ↗ [2]
- Employees
- 67,816 · reported year 2023 [2]
- Annual revenue
- USD 39,211,000,000 · reported year 2021 [2]
- Fiscal year end
- December 31 (SEC record) [1]
- ISIN (reported securities)
- US8835561023 [2]
- CIK
- 0000097745 [1]
- SIC code
- 3829 [1]
- Country in background record
- United States [2]
Company positioning and business
Thermo Fisher Scientific Inc. is an American life science and clinical research company. It is a global supplier of analytical instruments, clinical development solutions, specialty diagnostics, laboratory, pharmaceutical and biotechnology services. Based in Waltham, Massachusetts, Thermo Fisher was formed through the merger of Thermo Electron and Fisher Scientific in 2006. Thermo Fisher Scientific has acquired other reagent, consumable, instrumentation, and service providers, including Life Technologies Corporation (2013), Alfa Aesar (2015), Affymetrix (2016), FEI Company (2016), BD Advanced Bioprocessing (2018), and PPD (2021). [3]
It ranked 106th on the Fortune 500 list based on its 2025 annual revenue of $44.556 billion. [3]
Background text: Wikipedia contributors, Thermo Fisher Scientific. Selected introductory paragraphs, licensed under CC BY-SA 4.0. Official filing data is cited separately.
Understanding company scale
Employees: 67,816 · reported year 2023. [2]
Annual revenue: USD 39,211,000,000 · reported year 2021. [2]
Financial year, securities and disclosures
The SEC submissions record gives THERMO FISHER SCIENTIFIC INC. a fiscal year end of 1231 (MMDD). Individual filings below identify their own reporting period; the filing date is the publication event, not the financial year end. [1]
Listed securities: TMO (NYSE). Multiple symbols may represent different share classes or securities of the same registrant. [4]
History and key events
Financial results and regulatory disclosures
Annual, quarterly and current reports from the collected SEC record. Insider Forms 4 and 144 are excluded. This is a selected list, not a live filing feed.
Source-verified relationships
Companies in the same industry
Comparison candidates share the SEC SIC classification 3829. This does not imply ownership, partnership or trading relationships.
Related entities and concepts
Frequently asked questions
When was THERMO FISHER SCIENTIFIC INC. founded?
Founded: 2006. The linked source provides the background record. [2]
Where is the headquarters of THERMO FISHER SCIENTIFIC INC.?
Headquarters location: Waltham. The linked source provides the background record. [2]
Which business sectors are recorded for THERMO FISHER SCIENTIFIC INC.?
Business sectors: biotechnology industry. The linked source provides the background record. [2]
THERMO FISHER SCIENTIFIC INC. relationship map
Select a node to inspect its relationship and source.
2 verified direct relationships. Industry peers are not relationship edges.
Sources and review dates
- SEC — THERMO FISHER SCIENTIFIC INC. filing identity and securities ↗
- Wikidata — company background record (CC0) ↗
- Wikipedia contributors — Thermo Fisher Scientific (CC BY-SA 4.0) ↗
- SEC securities directory ↗
- Company chronology / filing ↗
Reviewed 23 October 2026. Financial periods and historical event dates are shown separately. Figures reflect their stated source dates; this page is not a live quote or investment recommendation.