Free B2B lead lists by industry
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24 free lead lists of US and Canadian companies, 962,833 in all, split by industry. Each one has website, LinkedIn page, industry, size, location and founding year, with one row per company across every list. Preview any list on its page and download 1,000 rows as a CSV with your work email.
Building outbound into one of these markets? The lists stop at the company. If you want the right people with verified emails, talk to me, or see what enriching your market costs with the TAM calculator.
28,910
Law firms in the US & Canada
37,551
Financial services firms in the USA
9,552
Banks and credit unions in the USA
23,433
Investment and wealth managers in the USA
18,299
Private equity and venture capital firms in the USA
23,491
Insurance carriers and agencies in the USA
12,607
Accounting and CPA firms in the US & Canada
107,631
Construction companies in the USA
54,258
Real estate firms in the USA
115,193
Healthcare providers in the USA
6,464
Veterinary practices in the US & Canada
25,342
Architecture and engineering firms in the USA
85,332
Manufacturers in the USA
35,664
Logistics, trucking and freight companies in the USA
15,870
Staffing and recruiting agencies in the US & Canada
45,036
Marketing, advertising and PR agencies in the USA
20,405
Management consulting firms in the USA
108,575
Restaurants, hotels and hospitality groups in the USA
43,741
Nonprofits in the USA
26,785
Energy and utilities companies in the USA
34,183
Facilities, environmental and home services companies in the USA
26,509
Automotive companies in the USA
42,834
Schools, colleges and education companies in the USA
15,168
Wholesale distributors in the USA
What's in each lead list
- company: Company name
- website: Root domain, one row per website
- linkedin_url: LinkedIn company page
- industry: The company's own LinkedIn industry label
- employee_range: Size band (11-50, 51-200 and so on)
- employees: Exact headcount, where we have it
- city, state, country: Headquarters location
- founded: Year founded
- ownership: Investor-backed, Private, Public or Acquired, where we have it
From a company list to a lead list
A company list tells you who could buy. A lead list adds who to contact and why now. This is the order I work in when I turn one of these lists into outbound for a client.
- Filter to your ICP: cut by size band, state, ownership and founding year until every row is a company you would actually sell to.
- Score for fit: have a model read each website and answer the two or three questions that separate good accounts from the rest, then rank. The TAM calculator prices this step.
- Find the people: one to three contacts per company in the roles you sell to, through a waterfall of email finders rather than one provider.
- Verify every email: bounces burn sending domains, so every address goes through verification, catch-all domains included.
- Add a reason to reach out now: a hiring, funding or licensing event that makes this month the right time. The buying signals guide covers the types.
Free lead list vs. buying one vs. building one
| Free company list (this page) | Bought contact list | Built lead list | |
|---|---|---|---|
| Contacts and emails | No, companies only | Yes, often unverified | Yes, found and verified per company |
| Targeting | Industry, size, location | Title and industry filters | Your ICP, scored, with a signal on each account |
| Freshness | A snapshot; each list shows its build date | Varies, rarely stated | Pulled the week you send |
| Who else has it | Anyone who downloads it | Every other buyer of that list | Only you |
| Best for | Sizing a market and seeding a TAM | A quick test | Outbound you plan to run for months |
Want the built version? That is what OneGTM's B2B lead generation work produces, and the call is with me.
Lead list FAQ
What is a lead list?
A lead list is a set of companies or people who fit your ideal customer profile, with enough data to contact them: company name, website, industry, size and location, plus names, titles and verified emails once you add the people. A good one is filtered to your ICP and scored, not just pulled by industry.
Are these lead lists really free?
Yes. Pick a list, enter your first name, work email and company, and you get 1,000 rows as a CSV right away. There is nothing to pay and no account to make.
Do the lead lists include email addresses?
No. They are company lists: name, website, LinkedIn page, industry, size, location and founding year. To turn one into a contact list, find the right people at each company and verify their emails, or have OneGTM do that part.
How do I build a B2B lead list?
Start with a company list for your market, filter it to your ICP by size, location and ownership, score each company for fit, find one to three people per company in the roles you sell to, verify every email, and add a reason to reach out now, such as a hiring or funding signal.
Is it better to buy a lead list or build one?
Bought contact lists are fast but often stale, and every other buyer has the same names. A list built from your ICP, verified before sending and timed by buying signals, takes longer and tends to book more meetings per email sent.
Where does the data come from?
Company records come from the People Data Labs Free Company Dataset (CC BY 4.0). Exact headcount and ownership come from a separate company database and are only attached when the name and size line up. Duplicates, dead companies and rows without a website were removed.