Who owns Petrifilm?
Petrifilm is owned by Neogen (the United States, NASDAQ: NEOG), which has owned the brand since 1 September 2022.[1]
Evidence: Neogen Corporation Annual Report on Form 10-K filed 2026-07-30, SEC EDGAR, 30 July 2026. Verified from filings; last checked .
Key facts
- Current owner
- Neogen Corporation verified
- Owned since
- Owner HQ
- 🇺🇸 United States, Lansing, Michigan
- Origin
- 🇺🇸 United States
- Category
- Healthcare & pharma › Care providers › Labs & diagnostics
- Parent ticker
- NASDAQ: NEOG
- Last verified
- · 1 sources
About Petrifilm
Petrifilm is a line of plating systems for detecting and counting microorganisms in food and other samples. Neogen got it when it combined with 3M's Food Safety Division on 1 September 2022, and its 10-K says Petrifilm products are still made in 3M plants in the U.S. and Poland while manufacturing is transferred. Neogen also sells a Petrifilm Plate Reader Advanced.
Ownership timeline of Petrifilm
Where Petrifilm sits in Neogen
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full Neogen ownership tree →
See the full Neogen brand portfolio (10) →
Other brands owned by Neogen
Neogen controls 10 brands on Brandtree, 8 of them in healthcare & pharma.
Also in healthcare & pharma
Other brands in labs & diagnostics, and who owns them
The 13 brands in labs & diagnostics on Brandtree belong to 4 owners. The largest is Quest Diagnostics, with 5; Neogen has 3.
| Brand | Owner | Owner based in |
|---|---|---|
| AmeriPath | Quest Diagnostics | 🇺🇸 United States |
| Colilert | IDEXX | 🇺🇸 United States |
| Labcorp | Labcorp | 🇺🇸 United States |
| Dermpath Diagnostics | Quest Diagnostics | 🇺🇸 United States |
| ExamOne | Quest Diagnostics | 🇺🇸 United States |
| Haystack Oncology | Quest Diagnostics | 🇺🇸 United States |
| LifeLabs | Quest Diagnostics | 🇺🇸 United States |
| IDEXX Reference Laboratories | IDEXX | 🇺🇸 United States |
About the owner: Neogen
Neogen is a publicly listed company headquartered in Lansing, Michigan, United States, founded in 1982. Brandtree records 10 brands under its control, and it is listed as NASDAQ: NEOG.
Neogen is a Michigan company that makes diagnostic test kits, veterinary products and rodent and insect control products for food and animal safety. Its 10-K for the year to 31 May 2026 reports two segments, Food Safety and Animal Safety, with revenue of $870.4 million. It was formed in June 1981, began operating in 1982, and closed its combination with 3M's food safety division on 1 September 2022.
🇺🇸 Petrifilm and other American brands
Brandtree records a controlling owner for 2,399 brands that began in the United States. 461 of them (19%) are now controlled by a company headquartered in another country; Petrifilm is not one of them.
Frequently asked questions
Who is the parent company of Petrifilm?
The parent company of Petrifilm is Neogen, a publicly listed company headquartered in the United States.
Is Petrifilm American?
Yes. Petrifilm originated in the United States and its owner, Neogen, is also headquartered in the United States.
Since when has Neogen owned Petrifilm?
Neogen has owned Petrifilm since 1 September 2022.
Is Petrifilm still owned by Neogen?
Yes. As of 16 October 2026, Petrifilm is still owned by Neogen. The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Neogen Corporation Annual Report on Form 10-K filed 2026-07-30 — SEC EDGAR, SEC Form 10-K, published 30 July 2026; retrieved 16 October 2026.
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