Businesses in West Middlesex, Pennsylvania

As of October 11, 2026, ListRiver's records show 538 active registered businesses in West Middlesex, Pennsylvania. 46% are LLCs. 2 were formed in September 2026.

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

Businesses on record

538

Formed in the last 12 months

Formed in September

With a registered agent

13 records

New West Middlesex businesses per month

Businesses on record by formation month, through September 2026. Monthly Pennsylvania new-business reports · Get the list of 2 new businesses formed in September 2026

Entity types

LLCs246 · 46%
Corporations237 · 44%
Nonprofits34 · 6%
Limited partnerships18 · 3%
Other3 · 1%

Top ZIP codes

ZIP 16159534 · 99%
ZIP 161611 · 0%
ZIP 161371 · 0%
ZIP 161461 · 0%
ZIP 161211 · 0%

Newest business names registered in West Middlesex

Get all 538 West Middlesex businesses · see price Just the 2 formed in the last 90 days · see price

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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	West Middlesex	Corporation	Sep 2026
Name hidden	West Middlesex	Nonprofit	Sep 2026
Name hidden	West Middlesex	LLC	Jul 2026
Name hidden	West Middlesex	LLC	Jul 2026
Name hidden	West Middlesex	LLC	Jul 2026
Name hidden	West Middlesex	LLC	Jul 2026
Name hidden	West Middlesex	LLC	Jul 2026
Name hidden	West Middlesex	LLC	May 2026
Name hidden	West Middlesex	LLC	May 2026
Name hidden	West Middlesex	LLC	Apr 2026
Name hidden	West Middlesex	LLC	Apr 2026
Name hidden	West Middlesex	Limited partnership	Mar 2026
Name hidden	West Middlesex	LLC	Mar 2026
Name hidden	West Middlesex	LLC	Mar 2026
Name hidden	West Middlesex	LLC	Mar 2026
Name hidden	West Middlesex	LLC	Feb 2026
Name hidden	West Middlesex	LLC	Jan 2026
Name hidden	West Middlesex	LLC	Jan 2026
Name hidden	West Middlesex	LLC	Jan 2026
Name hidden	West Middlesex	LLC	Dec 2025
Name hidden	West Middlesex	LLC	Dec 2025
Name hidden	West Middlesex	LLC	Dec 2025
Name hidden	West Middlesex	LLC	Oct 2025
Name hidden	West Middlesex	LLC	Oct 2025
Name hidden	West Middlesex	LLC	Sep 2025

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Common questions about West Middlesex businesses

How many businesses are registered in West Middlesex, Pennsylvania?

ListRiver has 538 active registered businesses in West Middlesex, 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 West Middlesex, Pennsylvania in September 2026?

2 businesses on record in West Middlesex, Pennsylvania were formed in September 2026.

How many new businesses opened in West Middlesex, Pennsylvania in the last 12 months?

24 businesses on record in West Middlesex, Pennsylvania were formed in the 12 months through September 2026.

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

LLCs are the most common: 246 of 538 businesses on record (46%), followed by Corporations with 237 (44%).

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 West Middlesex, Pennsylvania?

Use ListRiver's list builder to filter West Middlesex, 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/west-middlesex" title="New businesses in West Middlesex, 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/west-middlesex">Businesses in West Middlesex, 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.