Businesses in Calmar, Iowa

As of October 12, 2026, ListRiver's records show 149 active registered businesses in Calmar, Iowa. 64% are LLCs.

From official Iowa registry records, updated weekly. Most Calmar businesses are in Winneshiek County. Look up a Iowa business by name.

Businesses on record

149

Formed in the last 12 months

Formed in September

With a phone number

16%

24 records

New Calmar businesses per month

Businesses on record by formation month, through September 2026. Monthly Iowa new-business reports

Entity types

LLCs95 · 64%
Corporations26 · 17%
Nonprofits25 · 17%
Other3 · 2%

Newest business names registered in Calmar

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This is a small sample, not the full list. To keep automated scrapers from copying our data, we only show a handful of records on public pages. Your downloaded list includes every matching business.

Business	City	Type	Formed
Name hidden	Calmar	LLC	Jul 2026
Name hidden	Calmar	LLC	May 2026
Name hidden	Calmar	LLC	Apr 2026
Name hidden	Calmar	LLC	Mar 2026
Name hidden	Calmar	LLC	Dec 2025
Name hidden	Calmar	LLC	Oct 2025
Name hidden	Calmar	LLC	Sep 2025
Name hidden	Calmar	LLC	Sep 2025
Name hidden	Calmar	LLC	Aug 2025
Name hidden	Calmar	LLC	Jul 2025
Name hidden	Calmar	LLC	Apr 2025
Name hidden	Calmar	LLC	Mar 2025
Name hidden	Calmar	LLC	Feb 2025
Name hidden	Calmar	LLC	Jan 2025
Name hidden	Calmar	Nonprofit	Dec 2024
Name hidden	Calmar	LLC	Dec 2024
Name hidden	Calmar	LLC	Nov 2024
Name hidden	Calmar	LLC	Oct 2024
Name hidden	Calmar	LLC	Oct 2024
Name hidden	Calmar	LLC	Oct 2024
Name hidden	Calmar	LLC	Oct 2024
Name hidden	Calmar	LLC	Sep 2024
Name hidden	Calmar	LLC	Aug 2024
Name hidden	Calmar	LLC	Jul 2024
Name hidden	Calmar	LLC	Jun 2024

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Common questions about Calmar businesses

How many businesses are registered in Calmar, Iowa?

ListRiver has 149 active registered businesses in Calmar, Iowa on record as of October 12, 2026, from official Iowa business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in Calmar, Iowa in September 2026?

0 businesses on record in Calmar, Iowa were formed in September 2026.

How many new businesses opened in Calmar, Iowa in the last 12 months?

6 businesses on record in Calmar, Iowa were formed in the 12 months through September 2026.

What is the most common type of business in Calmar, Iowa?

LLCs are the most common: 95 of 149 businesses on record (64%), followed by Corporations with 26 (17%).

Where does this data come from?

From Iowa's official business registry. ListRiver loads each new state file, standardizes it, removes duplicates and updates its database weekly. Email and industry details are added from SMBCredit.net where available.

How do I get a list of businesses in Calmar, Iowa?

Use ListRiver's list builder to filter Calmar, Iowa businesses by entity type, formation date, industry and contact details, see the exact count and price, and download a CSV. Every list includes monthly refresh files.

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<div style="max-width:520px"><iframe src="https://listriver.com/embed/new-businesses/iowa/calmar" title="New businesses in Calmar, Iowa by month" width="100%" height="370" style="border:0" loading="lazy"></iframe><p style="font:13px sans-serif;margin:4px 0 0">Source: <a href="https://listriver.com/business-lists/iowa/calmar">Businesses in Calmar, Iowa</a>, ListRiver</p></div>

About this data

Counts come from official Iowa business registry records on file with ListRiver, current as of October 12, 2026. They include businesses that are active on the state register; dissolved and defunct entities are excluded. Contact details are added from SMBCredit.net where available. Formation months reflect the registration date the state reports. See the methodology for sources, update schedules and known limits.