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Iams vs KMR

Iams is made by Iams Company (owned by Mars, Incorporated), and KMR by PetAg, Inc. (owned by PBI-Gordon Corporation). On KibbleLab, KMR averages 8.5 out of 10 across its scored foods, compared with 8.1 for Iams. Iams meets WSAVA's published criteria for evaluating a manufacturer, while KMR does not.

Iams and KMR compared

Iams KMR
Manufacturer Iams Company PetAg, Inc.
Parent company Mars, Incorporated PBI-Gordon Corporation
Founded 1946 1930
Headquarters Mason, Ohio, United States Hampshire, Illinois, USA
Products listed 48 6
Serves Cats & dogs Cats
Price tier A relative price guide, from $ (most affordable) to $$$$$ (most premium), based on the brand's typical retail cost.
$$$ $$$
WSAVA guidelines The World Small Animal Veterinary Association (WSAVA) publishes criteria for evaluating a manufacturer: qualified nutritionists on staff, feeding trials, and published research. It does not certify or endorse brands.
Yes No
PSC accredited The Pet Sustainability Coalition is a nonprofit that accredits pet companies on their environmental and social impact, through third-party verification. It reflects sustainability practices, not food quality.
No No
Score The average KibbleLab score across this brand's scored foods, on a 0 to 10 scale. Foods are scored on published veterinary science, and no one can pay for a higher score. How scoring works .
8.1 (avg of 48) 8.5 (avg of 6)
Recalls on record KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.
None None
Where to buy Amazon Amazon

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Iams vs KMR: how they compare

Scores

KMR scores higher on KibbleLab, averaging 8.5 out of 10 across 6 scored foods, compared with 8.1 across 48 for Iams. Scores apply the same criteria-based rubric to every food, drawn from published veterinary science, and no one can pay for a higher score.

Who makes them

Iams is made by Iams Company, owned by Mars, Incorporated, based in Mason, Ohio, United States, founded in 1946. KMR is made by PetAg, Inc., owned by PBI-Gordon Corporation, based in Hampshire, Illinois, USA, founded in 1930.

Standards and range

Iams meets WSAVA's published manufacturer criteria, while KMR does not. KibbleLab lists 48 Iams foods and 6 KMR foods.

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Common Questions

Which scores higher on KibbleLab, Iams or KMR?

KMR scores higher: it averages 8.5 out of 10 across 6 scored foods, compared with 8.1 for Iams. Scores reflect published veterinary science, and no one can pay for a higher score.

Who makes Iams and KMR?

Iams is made by Iams Company, which is owned by Mars, Incorporated. KMR is made by PetAg, Inc., which is owned by PBI-Gordon Corporation.

Which brand has more products on KibbleLab?

Iams has 48 products in the KibbleLab database, compared with 6 for KMR.

Where is each brand based?

Iams is based in Mason, Ohio, United States. KMR is based in Hampshire, Illinois, USA.

Do Iams and KMR meet WSAVA criteria?

Iams meets WSAVA's published criteria for evaluating a manufacturer; KMR does not, based on public information. WSAVA publishes criteria; it does not certify or endorse brands.

Have Iams or KMR been recalled?

Neither Iams nor KMR has a recall on record in the KibbleLab database. KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.

See the full profiles: Iams and KMR .

More comparisons

KibbleLab provides informational content only. This is not veterinary advice. Always consult a qualified veterinarian before changing your pet's diet.

This is a neutral, factual comparison, not a ranking or an endorsement of either brand. KibbleLab may earn affiliate commissions through links. No one can pay for placement or a higher score.

Brand and manufacturer details are compiled from public sources and not independently verified; they may not reflect contract manufacturing or co-packing. Recall data is compiled from public FDA and manufacturer notices, and a notice may name the parent company rather than the brand. KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.

KibbleLab scores and commentary are editorial opinions based on published data. Represent one of these brands? Request a correction. Anyone else can email us. See our Terms.