Wisconsin Business Entity Search

Search Wisconsin LLCs, corporations, and partnerships via API. Structured JSON from IRS Exempt Organizations Business Master File. 338,116 entities available.

338,116

Total Entities

99,935

Sole Proprietorships

93,270

LLCs

80,426

Corporations

Search Wisconsin entities

Entity types in Wisconsin

Sole Proprietorship

93,270 Corporation

80,426 Nonprofit

36,000 FCC Licensee

13,469 Non-Profit

8,749 Partnership

1,248 Business Entity

1,135 Professional Association

Related Guides

How to Look Up a Business in Any State How to Verify if a Business is Legitimate

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