Roncelli Plastics logo

Roncelli Plastics Employee Directory

Plastics ManufacturingCalifornia, United States51-200 Employees

Roncelli Plastics is a contract manufacturer that produces engineered plastics parts and components, founded in 1969 and headquartered in Monrovia, California. It serves critical applications across aerospace, biomedical, life science and space, semiconductor, defense, and oil and gas sectors. The company supports clients from prototype design through full production with capabilities in rapid prototyping, CNC machining, injection molding, 3D printing, and clean room assembly. It maintains certifications including ISO9001, AS9100D, ISO13485, ISO27001, and ITAR. Based in California, the company operates additional offices in San Jose, Dallas, Tampa, Chandler, and Cincinnati to serve a broad client base. In January 2022, Roncelli added two Keyence machines, signaling continued investment in advanced manufacturing capabilities.

Find Roncelli Plastics employees' phone numbers or email addresses

Roncelli Plastics Global Highlights

Location
Employees

North America
69

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  • United States Of America
    69

Asia
17

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  • Malaysia
    17

Roncelli Plastics's Leadership

  • Director Of Quality at Roncelli Plastics
    T. S.
    Director Of Quality
  • Hr & Admin Manager at Roncelli Plastics
    N. A. A. R.
    Hr & Admin Manager
  • Quality Administrative Lead at Roncelli Plastics
    O. R.
    Quality Administrative Lead
  • Human Resources Generalist at Roncelli Plastics
    E. D.
    Human Resources Generalist
  • Treasurer at Roncelli Plastics
    B. R.
    Treasurer
  • Associate at Roncelli Plastics
    C. A.
    Associate
  • Associate at Roncelli Plastics
    J. S.
    Associate
  • Customer Service at Roncelli Plastics
    K. U.
    Customer Service

Roncelli Plastics Employee Metrics

100%
50%
0%
2026
2025
  • Quality Assurance
  • Business
  • Human Resources
  • Accounting
  • Administrative
  • Other

Contact profiles from Roncelli Plastics

Name
Title
Contact
Location
Last Update
  • Director Of Quality at Roncelli Plastics
    T. S.
    Director Of Quality
    Nov 15, 2025
  • Hr & Admin Manager at Roncelli Plastics
    N. A. A. R.
    Hr & Admin Manager
    Malaysia, Kedah
    Jun 24, 2026
  • Quality Administrative Lead at Roncelli Plastics
    O. R.
    Quality Administrative Lead
    Jun 26, 2026
  • Human Resources Generalist at Roncelli Plastics
    E. D.
    Human Resources Generalist
    Feb 20, 2026
  • Treasurer at Roncelli Plastics
    B. R.
    Treasurer
    Oct 21, 2024
  • Associate at Roncelli Plastics
    C. A.
    Associate
    Oct 23, 2024
  • Associate at Roncelli Plastics
    J. S.
    Associate
    Oct 21, 2024
  • Customer Service at Roncelli Plastics
    K. U.
    Customer Service
    Oct 16, 2024
  • Registered Nurse at Roncelli Plastics
    O. N.
    Registered Nurse
    Oct 17, 2024
  • Vicepresident at Roncelli Plastics
    S. R.
    Vicepresident
    Oct 22, 2024

Frequently Asked Questions

What is Roncelli Plastics known for?

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Roncelli Plastics was founded in 1969 and operates in the Plastics Manufacturing industry. You can contact Roncelli Plastics's main corporate office by phone at . Explore Roncelli Plastics's company overview page for more information.

What is Roncelli Plastics's most common email format?

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Roncelli Plastics employees' email format typically follows the pattern of FLast@roncelli.com. Trying to find reliable and up-to-date employee contact data? Find more Roncelli Plastics email formats with LeadIQ.

How many employees does Roncelli Plastics have currently?

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Roncelli Plastics has approximately 119 employees as of August 2026. These team members are located across 2 continents, including North America and Asia.

Who are Roncelli Plastics's key employees and leadership?

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As of August 2026, Roncelli Plastics's key employees include:

  • Director Of Quality: T. S.
  • Hr & Admin Manager: N. A. A. R.
  • Quality Administrative Lead: O. R.
  • Human Resources Generalist: E. D.
  • Treasurer: B. R.

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