Insights

Trusted regional supplier Winthrop Supply Co is a long‑standing, Indiana‑based wholesale provider serving plumbing, heating, and mechanical contractors since 1939, positioning it as a reliable source for high‑quality brands and technical support.

Mid‑sized growth With 11‑50 employees and annual revenue in the 10–25 million range, there is potential to scale account coverage, formalize vendor programs, and expand service offerings to deepen contractor relationships.

Brand‑focused inventory The emphasis on premium pipes, valves, fittings, hydronic equipment, and related supplies suggests sales opportunities around product diversification, cross‑selling of complementary brands, and bundled solutions for plumbing and HVAC projects.

Tech and analytics Current tech stack includes WordPress, Google Analytics, and ASP.NET; opportunities exist to leverage digital catalogs, enhanced online ordering, and data‑driven marketing to convert contractors and upsell premium products.

Competitive landscape Operating alongside large distributors with substantial footprints indicates a need for targeted value propositions such as technical training, rapid delivery, specialty fittings, and localized support to win share from incumbents.

Winthrop Supply Co Tech Stack

Winthrop Supply Co uses 8 technology products and services including Open Graph, MySQL, Floating UI, and more. Explore Winthrop Supply Co's tech stack below.

  • Open Graph
    Content Management System
  • MySQL
    Database
  • Floating UI
    Javascript Libraries
  • CloudFlareJS
    Javascript Libraries
  • Animate.css
    UI Frameworks
  • Google Analytics
    Web Analytics
  • Adobe ColdFusion
    Web Frameworks
  • Microsoft IIS
    Web Servers

Winthrop Supply Co's Email Address Formats

Winthrop Supply Co uses at least 1 format(s):
Winthrop Supply Co Email FormatsExamplePercentage
FLast@winthropsupply.comJDoe@winthropsupply.com
100%

Frequently Asked Questions

What is Winthrop Supply Co's phone number?

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You can contact Winthrop Supply Co's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Winthrop Supply Co's official website and social media links?

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Winthrop Supply Co's official website is winthropsupply.com and has social profiles on LinkedIn.

How much revenue does Winthrop Supply Co generate?

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As of August 2026, Winthrop Supply Co's annual revenue is estimated to be $10M - $25M.

What is Winthrop Supply Co's NAICS code?

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Winthrop Supply Co's NAICS code is 42 - Wholesale Trade.

How many employees does Winthrop Supply Co have currently?

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As of August 2026, Winthrop Supply Co has approximately 12 employees across 1 continents, including North America. Key team members include Registered Nurse: B. P.Territory Sales: T. P.. Explore Winthrop Supply Co's employee directory with LeadIQ.

What industry does Winthrop Supply Co belong to?

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Winthrop Supply Co operates in the Wholesale industry.

What technology does Winthrop Supply Co use?

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Winthrop Supply Co's tech stack includes Open GraphMySQLFloating UICloudFlareJSAnimate.cssGoogle AnalyticsAdobe ColdFusionMicrosoft IIS.

What is Winthrop Supply Co's email format?

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Winthrop Supply Co's email format typically follows the pattern of FLast@winthropsupply.com. Find more Winthrop Supply Co email formats with LeadIQ.
Winthrop Supply Co logo

Winthrop Supply Co

WholesaleIndiana, United States11-50 Employees

Winthrop Supply Co is a wholesale provider of commercial and industrial plumbing and heating supplies based in Frankfort, Indiana, at 1980 West State Road 28, 46041. The company has 11-50 employees. In business since 1939, it serves plumbing, heating, and mechanical contractors in central Indiana and focuses on pipes, valves, fittings, hydronic equipment, and related supplies from reputable brands. It positions itself as a source of technical expertise and support for its contractor customers. Reported revenue is in the range of $10 million to $25 million.

Section iconCompany Overview

Phone number
NAICS Code
42 - Wholesale Trade
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    Winthrop Supply Co's revenue is estimated to be in the range of $10M - $25M

Section iconFunding & Financials

  • $10M - $25M

    Winthrop Supply Co's revenue is estimated to be in the range of $10M - $25M

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