United States20 niches · one city
Business leads in Ontario, CA
Pick a niche and export every matching Ontario business from Google Maps — names, phones, websites and emails. The number next to each is our estimate of how many are waiting.
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Lead lists
Ontario leads by niche
Linked cards open that niche's list with a real sample; dashed ones have no usable sample yet. The big number is our estimate for Ontario; the tags are its sample's emails found and average rating.
Dentists~230emails 8/104.6Plumbers~65emails 4/104.8Electricians~54emails 4/104.7Roofing contractors~45emails 3/105.0HVAC contractors~54emails 5/104.8Real estate agents~220emails 8/104.8Restaurants~400emails 3/104.4Hair salons~150emails n/a (no email check)4.6Chiropractors~38emails 8/104.9Gyms~63emails 6/104.4Coffee shops~43emails 4/104.5Law firms~160emails n/a (no email check)4.8Auto repair shops~150emails n/a (no email check)4.8Landscapers~90emails n/a (no email check)4.5Med spas~20emails n/a (no email check)4.8Accountants~72emails 7/104.9Veterinarians~20emails 8/104.0Physical therapists~45emails 5/104.8Nail salons~81emails 1/104.4Moving companies~27emails 5/104.7
From our samples
Ontario businesses by the numbers
From the sample on each lead list above, pulled from Google Maps between July 2026 and September 2026. How we sample
200
businesses sampled across 20 categories
82%
53%
4.6
average Google rating
- WebsitesHair salons are the most likely to lack a website of their own — 7 of 10 have none, or only a social or booking page.
- EmailsContact emails were easiest to find for dentists (8 of 10) and hardest for nail salons (1 of 10).
- Most reviewedThe most-reviewed business we saw is Ontario Mills, from the restaurants sample, with 30,432 reviews.
- ChainsMulti-location brands show up most among gyms: 3 of 10 share a website with another branch.
Every figure by category, in one table
| Category | Avg rating | Median reviews | Own website | Email found |
|---|---|---|---|---|
| Dentists | 4.6★ | 324 | 9/10 | 8/10 |
| Plumbers | 4.8★ | 477 | 10/10 | 4/10 |
| Electricians | 4.7★ | 45 | 9/10 | 4/10 |
| Roofing contractors | 5.0★ | 20 | 6/10 | 3/10 |
| HVAC contractors | 4.8★ | 263 | 9/10 | 5/10 |
| Real estate agents | 4.8★ | 28 | 9/10 | 8/10 |
| Restaurants | 4.4★ | 1,763 | 10/10 | 3/10 |
| Hair salons | 4.6★ | 97 | 3/10 | — |
| Chiropractors | 4.9★ | 32 | 9/10 | 8/10 |
| Gyms | 4.4★ | 71 | 9/10 | 6/10 |
| Coffee shops | 4.5★ | 80 | 10/10 | 4/10 |
| Law firms | 4.8★ | 186 | 10/10 | — |
| Auto repair shops | 4.8★ | 37 | 4/10 | — |
| Landscapers | 4.5★ | 11 | 7/10 | — |
| Med spas | 4.8★ | 87 | 7/10 | — |
| Accountants | 4.9★ | 26 | 10/10 | 7/10 |
| Veterinarians | 4.0★ | 296 | 10/10 | 8/10 |
| Physical therapists | 4.8★ | 73 | 9/10 | 5/10 |
| Nail salons | 4.4★ | 204 | 7/10 | 1/10 |
| Moving companies | 4.7★ | 74 | 7/10 | 5/10 |
How we counted
Counts are out of each category's sample. A dash means that figure isn't in the sample — for emails, that the lookup wasn't run.
Nearby
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Guides
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Leads in Ontario
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