Insights

Global leader StockCap positions itself as the world’s largest manufacturer of flexible closures, signaling scale, reliability, and the potential to win large, multi-site contracts for product protection solutions.

Customization depth With both a broad stock product range and engineering-driven customization capabilities, there is a clear opportunity to upsell bespoke solutions and integrated protection systems for complex customer applications.

Sustainability angle As a plastics manufacturer, emphasize material selection, recycling programs, and end-of-life considerations to align with customer ESG goals and open conversations with sustainability-focused procurement teams.

Digital growth The early online ordering initiative and a tech stack including WordPress, marketing automation, and ads platforms suggest readiness for targeted digital outreach, e-commerce enhancements, and lead-nurturing campaigns.

Market maturity Revenue scope indicates a mid-to-large scale operation with potential for expansion into adjacent tooling, protective components, and custom packaging solutions, particularly in industries served by similar players with sizable teams.

Similar companies to StockCap

StockCap Tech Stack

StockCap uses 8 technology products and services including AdRoll, Google Ads, WordPress, and more. Explore StockCap's tech stack below.

StockCap's Email Address Formats

StockCap uses at least 1 email format:
StockCap Email FormatsExamplePercentage
FLast@stockcap.comJDoe@stockcap.com
100%

Frequently Asked Questions

What is StockCap's phone number?

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You can contact StockCap'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 StockCap's official website and social media links?

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StockCap's official website is stockcap.com and has social profiles on LinkedIn.

How much revenue does StockCap generate?

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As of August 2026, StockCap's annual revenue is estimated to be $100M - $1B.

What is StockCap's NAICS code?

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StockCap's NAICS code is 3261 - Plastics Product Manufacturing.

How many employees does StockCap have currently?

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As of August 2026, StockCap has approximately 1 employees across 1 continents, including North America. Key team members include Director: J. T., Account Manager: M. A. and Acg Manager: D. D. Explore StockCap's employee directory with LeadIQ.

What industry does StockCap belong to?

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StockCap operates in the Plastics Manufacturing industry.

What technology does StockCap use?

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StockCap's tech stack includes AdRoll, Google Ads, WordPress, Microsoft 365, SendGrid, Brevo, ActiveCampaign and WP Engine.

What is StockCap's email format?

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StockCap's email format typically follows the pattern of FLast@stockcap.com. Find more StockCap email formats with LeadIQ.

When was StockCap founded?

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StockCap was founded in 1950.
StockCap logo

StockCap

Plastics ManufacturingMissouri, United States0-1 Employees

StockCap is a plastics manufacturing company based in Arnold, Missouri. It specializes in plastic components intended to protect products and has grown into the world's largest manufacturer of flexible closures. Its product lines include caps, plugs, discs, and tapes available in a range of sizes and materials.

In addition to its stock offerings, StockCap provides engineering expertise to develop customized protection solutions for customers. This combination of standard products and tailored services allows it to address specific product protection needs. The company operates as part of Sinclair & Rush.

Section iconCompany Overview

Phone number
NAICS Code
3261 - Plastics Product Manufacturing
Founded
1950
Employees
0-1

Section iconFunding & Financials

  • $100M - $1B

    StockCap's revenue is estimated to be in the range of $100M - $1B

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