Businesses in Rosemont, Pennsylvania

As of October 11, 2026, ListRiver's records show 1,067 active registered businesses in Rosemont, Pennsylvania. 55% are Corporations.

From official Pennsylvania registry records, updated weekly. Most Rosemont businesses are in Delaware County. Look up a Pennsylvania business by name.

Businesses on record

1,067

Formed in the last 12 months

Formed in September

With a registered agent

22 records

New Rosemont businesses per month

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

Entity types

Corporations587 · 55%
LLCs286 · 27%
Limited partnerships132 · 12%
Nonprofits58 · 5%
Other4 · 0%

Top ZIP codes

ZIP 190101,058 · 99%
ZIP 191013 · 0%
ZIP 193821 · 0%
ZIP 193121 · 0%
ZIP 190041 · 0%
ZIP 191031 · 0%
ZIP 190871 · 0%
ZIP 196101 · 0%

Newest business names registered in Rosemont

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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	Rosemont	Corporation	Aug 2025
Name hidden	Rosemont	Corporation	Jan 2024
Name hidden	Rosemont	Corporation	Aug 2023
Name hidden	Rosemont	LLC	May 2023
Name hidden	Rosemont	LLC	May 2023
Name hidden	Rosemont	LLC	Apr 2023
Name hidden	Rosemont	LLC	Jul 2022
Name hidden	Rosemont	LLC	Jun 2022
Name hidden	Rosemont	LLC	Jun 2022
Name hidden	Rosemont	Corporation	Apr 2022
Name hidden	Rosemont	Corporation	Apr 2022
Name hidden	Rosemont	LLC	Mar 2022
Name hidden	Rosemont	LLC	Feb 2022
Name hidden	Rosemont	Limited partnership	Jan 2022
Name hidden	Rosemont	Corporation	Aug 2021
Name hidden	Rosemont	LLC	Aug 2021
Name hidden	Rosemont	LLC	May 2021
Name hidden	Rosemont	LLC	Mar 2021
Name hidden	Rosemont	Other	Jan 2021
Name hidden	Rosemont	LLC	Dec 2020
Name hidden	Rosemont	LLC	Nov 2020
Name hidden	Rosemont	LLC	Oct 2020
Name hidden	Rosemont	Corporation	Oct 2020
Name hidden	Rosemont	Corporation	Jun 2020
Name hidden	Rosemont	LLC	Mar 2020

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Common questions about Rosemont businesses

How many businesses are registered in Rosemont, Pennsylvania?

ListRiver has 1,067 active registered businesses in Rosemont, Pennsylvania on record as of October 11, 2026, from official Pennsylvania business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in Rosemont, Pennsylvania in September 2026?

0 businesses on record in Rosemont, Pennsylvania were formed in September 2026.

What is the most common type of business in Rosemont, Pennsylvania?

Corporations are the most common: 587 of 1,067 businesses on record (55%), followed by LLCs with 286 (27%).

Where does this data come from?

From Pennsylvania'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 Rosemont, Pennsylvania?

Use ListRiver's list builder to filter Rosemont, Pennsylvania 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/pennsylvania/rosemont" title="New businesses in Rosemont, Pennsylvania 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/pennsylvania/rosemont">Businesses in Rosemont, Pennsylvania</a>, ListRiver</p></div>

About this data

Counts come from official Pennsylvania business registry records on file with ListRiver, current as of October 11, 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.