Who makes Hartz? Amazon sales, products and sellers
Updated November 2026 with September 2026 data
At a glance
- Size
- Large
- $3.1M est./mo
- Trend
- Stable
- +6%, last 2 vs prior 2 months
- Ratings
- Strong
- 4.4 ★ · 186,034 reviews
- Who sells it
- Mostly one seller
- Top seller has 99% of units
Hartz estimated monthly revenue on Amazon
Our read on Hartz
Hartz is a Large brand in Pet Supplies, ranking 12 of 321 brands in the Cookies, Biscuits & Snacks category with about 2% of that category's estimated revenue. In September 2026 it had estimated revenue of $3.1M and 204,000 estimated units across 83 products. Estimated revenue was $3.3M in June 2026, a change of -6% since the first month, though the trend over the last 2 months is labeled Stable at +6%. Sales are concentrated: Amazon accounts for 99% of units among 4 sellers. The brand's average rating is 4.4, in the Strong band, across 186,034 reviews. Oinkies Hearty Kabobs Rawhide‑Free Dog Treats leads at 14,000 estimated units per month.
Top Hartz products on Amazon
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| Product | Rating | Est. units/mo | Amazon link |
|---|---|---|---|
| Oinkies Hearty Kabobs Rawhide‑Free Dog Treats | 4.7 ★3,848 reviews | 14,000 | Check price on Amazon |
| Hartz UltraGuard Flea & Tick Collar for Cats and Kittens | 4.1 ★25,892 reviews | 12,000 | Check price on Amazon |
| Oinkies Tender Twists Rawhide‑Free Dog Chews | 4.6 ★9,310 reviews | 9,900 | Check price on Amazon |
| Hartz Comfitables Disposable Male Dog Wraps Stretchy Waistband | 4.5 ★740 reviews | 8,900 | Check price on Amazon |
| Hartz UltraGuard Plus Flea & Tick Home Spray | 4.4 ★3,728 reviews | 7,300 | Check price on Amazon |
| Hartz DuraPlay Bacon Scented Dog Toys, Small | 4.6 ★14,029 reviews | 6,700 | Check price on Amazon |
| Hartz UltraGuard Topical Flea & Tick Prevention for Cats and Kittens | 4.0 ★12,936 reviews | 6,500 | Check price on Amazon |
| Hartz Disposable Dog Diapers | 4.1 ★8,035 reviews | 5,900 | Check price on Amazon |
| Oinkies Porkalicious Smoked Pig Skin Twists Dog Treats | 4.6 ★2,883 reviews | 5,100 | Check price on Amazon |
| Hartz Home Protection Lavender Scented Odor Eliminating Dog Pads | 4.4 ★31,776 reviews | 4,900 | Check price on Amazon |
Who sells Hartz
- Amazon99%
- Vitabox<1%
- OTCRx4u<1%
- VerSure<1%
Share of estimated units sold in September 2026, by the seller holding the Buy Box.
Place in its category
#12 of 321
Rank 12 of 321 brands in Cookies, Biscuits & Snacks by estimated revenue in September 2026, with 2% of the category.
Frequently asked questions
Who makes Hartz?
Hartz is the brand name on 83 products we tracked on Amazon in September 2026 mostly in Cookies, Biscuits & Snacks (Pet Supplies). The largest seller of Hartz products that month was Amazon, with 99% of estimated units. Amazon listings don't show the brand owner's legal name, so the brand's own website is the place to confirm its parent company.
How much does Hartz sell on Amazon?
Hartz sold an estimated $3.1M on Amazon in September 2026, about 204,000 units. That is -6% compared with June 2026. These are Ecominsights estimates, not figures reported by the brand.
What are Hartz's best-selling products on Amazon?
By estimated units sold in September 2026: 1. Oinkies Hearty Kabobs Rawhide‑Free Dog Treats (about 14,000 units); 2. Hartz UltraGuard Flea & Tick Collar for Cats and Kittens (about 12,000 units); 3. Oinkies Tender Twists Rawhide‑Free Dog Chews (about 9,900 units).