Insights

Strong Certifications Roncelli Plastics holds multiple industry-recognized certifications including ISO9001, AS9100D, ISO13485, ISO27001, and ITAR, highlighting its compliance with rigorous quality and security standards. This positions the company as a reliable partner for clients in aerospace, medical, and defense sectors seeking certified manufacturing services.

Diverse Sector Expertise The company's specialization in engineered plastics and composites for critical applications across aerospace, biomedical, space, semiconductor, defense, and oil & gas sectors offers multiple avenues for tailored solutions and contract manufacturing opportunities tailored to high-tech industries.

Technology Integration Recent investments in advanced manufacturing equipment like Keyence machines and a comprehensive technical stack demonstrate a commitment to innovation and efficiency, enabling the ability to support clients with rapid prototyping, CNC machining, injection molding, and clean room assembly.

Expansion & Certifications The recent certification achievements for Roncelli Plastics Malaysia and leadership hires indicate ongoing growth and organizational development, suggesting potential for scale-up collaborations and expanded global service offerings for new markets.

Market Positioning With a revenue range of 25 to 50 million dollars and a focus on high-value, technologically demanding industries, Roncelli Plastics presents opportunities to engage with clients requiring complex, precision-engineered plastic parts, especially those seeking certified and reliable contract manufacturing partners.

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Roncelli Plastics Tech Stack

Roncelli Plastics uses 8 technology products and services including RSS, Google Fonts API, jQuery, and more. Explore Roncelli Plastics's tech stack below.

  • RSS
    Content Management System
  • Google Fonts API
    Font Scripts
  • jQuery
    Javascript Libraries
  • SiteGround
    Platform As A Service
  • PHP
    Programming Languages
  • HSTS
    Security
  • X-Content-Type-Options
    Web & Portal Technology
  • Magnific Popup
    Web Tools And Plugins

Roncelli Plastics's Email Address Formats

Roncelli Plastics uses at least 1 format(s):
Roncelli Plastics Email FormatsExamplePercentage
FLast@roncelli.comJDoe@roncelli.com
36%
First@roncelli.comJohn@roncelli.com
22%
Last@roncelli.comDoe@roncelli.com
6%
FLast@roncelli.comJDoe@roncelli.com
36%

Frequently Asked Questions

Where is Roncelli Plastics's headquarters located?

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Roncelli Plastics's main headquarters is located at 330 West Duarte Road Monrovia, California 91016 United States. The company has employees across 2 continents, including North AmericaAsia.

What is Roncelli Plastics's phone number?

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

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Roncelli Plastics's official website is roncelli.com and has social profiles on LinkedIn.

How much revenue does Roncelli Plastics generate?

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As of February 2026, Roncelli Plastics's annual revenue is estimated to be $19M.

What is Roncelli Plastics's SIC code NAICS code?

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Roncelli Plastics's SIC code is 2821 - Plastics Materials, Synthetic Resins, and Nonvulcanizable Elastomers NAICS code is 3261 - Plastics Product Manufacturing.

How many employees does Roncelli Plastics have currently?

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As of February 2026, Roncelli Plastics has approximately 112 employees across 2 continents, including North AmericaAsia. Key team members include Director Of Quality: T. S.Director Of Quality: T. S.Hr & Admin Manager: N. A. A. R.. Explore Roncelli Plastics's employee directory with LeadIQ.

What industry does Roncelli Plastics belong to?

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Roncelli Plastics operates in the Plastics Manufacturing industry.

What technology does Roncelli Plastics use?

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Roncelli Plastics's tech stack includes RSSGoogle Fonts APIjQuerySiteGroundPHPHSTSX-Content-Type-OptionsMagnific Popup.

What is Roncelli Plastics's email format?

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Roncelli Plastics's email format typically follows the pattern of FLast@roncelli.com. Find more Roncelli Plastics email formats with LeadIQ.

When was Roncelli Plastics founded?

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Roncelli Plastics was founded in 1969.

Roncelli Plastics

Plastics ManufacturingCalifornia, United States51-200 Employees

Roncelli Plastics has been an industry pioneer since 1969, as a thermoplastics and composites manufacturer headquartered in Monrovia, California, with offices in San Jose, California; Dallas, Texas; Tampa, Florida; Chandler, Arizona and Cincinnati, Ohio.  Trusted by the world’s most prestigious brands for our leading edge technology, innovative operations, technical expertise and knowledgeable partnership.
Roncelli Plastics is a best in class contract manufacturer of Engineered Plastics parts and components for critical applications in the Aerospace, Bio Medical, Life Science & Space, Semiconductor, Defense, Oil & Gas Sectors. 

We partner with clients from prototype design through full production.  Our complete capabilities portfolio includes rapid prototype machining, CNC machining, Injection Molding, 3D Printing and Clean Room Assembly.  

Certifications Include:
ISO9001
AS9100D
ISO13485
ISO27001
ITAR

Section iconCompany Overview

Headquarters
330 West Duarte Road Monrovia, California 91016 United States
Phone number
SIC Code
2821 - Plastics Materials, Synthetic Resins, and Nonvulcanizable Elastomers
NAICS Code
3261 - Plastics Product Manufacturing
Founded
1969
Employees
51-200

Section iconFunding & Financials

  • $25M$50M

    Roncelli Plastics's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    Roncelli Plastics's revenue is estimated to be in the range of $25M$50M

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