Businesses in Williamstown, Pennsylvania

As of October 11, 2026, ListRiver's records show 116 active registered businesses in Williamstown, Pennsylvania. 47% are LLCs. 3 were formed in September 2026.

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

Businesses on record

116

Formed in the last 12 months

Formed in September

Most common type

LLCs

47% of businesses

New Williamstown businesses per month

Businesses on record by formation month, through September 2026. Monthly Pennsylvania new-business reports · Get the list of 3 new businesses formed in September 2026

Entity types

LLCs54 · 47%
Corporations38 · 33%
Nonprofits22 · 19%
Other1 · 1%
Limited partnerships1 · 1%

Top ZIP codes

ZIP 17098114 · 98%
ZIP 170901 · 1%
ZIP 170971 · 1%

Newest business names registered in Williamstown

Get all 116 Williamstown businesses · see price Just the 4 formed in the last 90 days · see price

Opens the list builder with Williamstown already selected, so you see the exact count and price before you buy. Your list includes addresses, counties, registered agents and more.

See the business names

Enter your email and we'll send you a 6-digit code. Confirm it to see the newest businesses registered in Williamstown, and on every ListRiver business-list page for 30 days. Free, no account needed.

We may send you occasional emails about ListRiver business data; unsubscribe any time. Privacy · Members: sign in

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	Williamstown	LLC	Sep 2026
Name hidden	Williamstown	LLC	Sep 2026
Name hidden	Williamstown	LLC	Sep 2026
Name hidden	Williamstown	LLC	Aug 2026
Name hidden	Williamstown	LLC	Jun 2026
Name hidden	Williamstown	LLC	Jun 2026
Name hidden	Williamstown	LLC	May 2026
Name hidden	Williamstown	LLC	May 2026
Name hidden	Williamstown	LLC	May 2026
Name hidden	Williamstown	LLC	Apr 2026
Name hidden	Williamstown	LLC	Oct 2025
Name hidden	Williamstown	Nonprofit	Oct 2025
Name hidden	Williamstown	Corporation	May 2025
Name hidden	Williamstown	LLC	Apr 2025
Name hidden	Williamstown	LLC	Apr 2025
Name hidden	Williamstown	Corporation	Mar 2025
Name hidden	Williamstown	LLC	Mar 2025
Name hidden	Williamstown	LLC	Dec 2024
Name hidden	Williamstown	LLC	Dec 2024
Name hidden	Williamstown	LLC	Aug 2024
Name hidden	Williamstown	LLC	Aug 2024
Name hidden	Williamstown	LLC	Jul 2024
Name hidden	Williamstown	LLC	May 2024
Name hidden	Williamstown	Corporation	Apr 2024
Name hidden	Williamstown	Corporation	Jan 2024

Build your Williamstown business list

See the exact count and price as you filter by county, city, ZIP, entity type and formation date. Download a CSV right away and get monthly refreshes. Verified businesses can pay 20% today and the rest over 6 months with Pay-in-6™, building business credit as they pay.

Build this list

Own a business in Williamstown?

Before a lender reads your application, its verification system checks your state filing, your exact legal name and your domain against each other. When they don't agree, you're declined and never told why.

Run the same checks free with our affiliated company, Peak Discounters. No account, no card, under a minute.

Run the free lender check

Common questions about Williamstown businesses

How many businesses are registered in Williamstown, Pennsylvania?

ListRiver has 116 active registered businesses in Williamstown, 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 Williamstown, Pennsylvania in September 2026?

3 businesses on record in Williamstown, Pennsylvania were formed in September 2026.

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

12 businesses on record in Williamstown, Pennsylvania were formed in the 12 months through September 2026.

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

LLCs are the most common: 54 of 116 businesses on record (47%), followed by Corporations with 38 (33%).

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 Williamstown, Pennsylvania?

Use ListRiver's list builder to filter Williamstown, 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.

More Pennsylvania business lists

Philadelphia County Allegheny County Montgomery County Dauphin County Bucks County Delaware County Chester County Lancaster County Lehigh County York County Berks County Erie County Luzerne County Northampton County Westmoreland County Cumberland County Lackawanna County Monroe County Washington County Butler County Centre County Beaver County Franklin County Schuylkill County Lebanon County Lycoming County Blair County Cambria County Fayette County Adams County Mercer County Pike County Lawrence County Wayne County Indiana County Crawford County Northumberland County Carbon County Somerset County Columbia County Clearfield County Bradford County Armstrong County Susquehanna County Bedford County Venango County Jefferson County Perry County Union County Huntingdon County Snyder County Wyoming County Tioga County Clinton County Mckean County Clarion County Mifflin County Greene County Warren County Elk County Juniata County Out Of State County Montour County Potter County Fulton County Sullivan County Forest County Cameron County 0 County Philadelphia Harrisburg Pittsburgh Erie Allentown Lancaster York West Chester Reading Bethlehem Bensalem Norristown Wayne King Of Prussia Easton Doylestown Scranton Mechanicsburg Huntingdon Valley Media Coaldale Holicong Rose Valley Sidman West Decatur Lilly Laurys Station Morgan Wycombe Palm Elkland Salisbury Marienville Glen Lyon Dornsife Amity Mifflin Intercourse James Creek Bear Creek Greensboro Creekside Colwyn Bradford Woods Bakerstown Ulysses Point Pleasant Strattanville Weedville Genesee Castle Shannon Orbisonia Great Bend Jefferson Trumbauersville Laughlintown Adamstown Mount Penn Rossiter Penn Run

Put this chart on your website

Free to use on any site, and it updates itself every month. Copy this code and paste it into your page. Preview the chart.

<div style="max-width:520px"><iframe src="https://listriver.com/embed/new-businesses/pennsylvania/williamstown" title="New businesses in Williamstown, 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/williamstown">Businesses in Williamstown, 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.