Roncelli Plastics Employee Directory

Q: What is Roncelli Plastics known for?

Roncelli Plastics was founded in 1969. Roncelli Plastics operates in the Plastics Manufacturing industry.

Q: How many employees does Roncelli Plastics have currently?

Roncelli Plastics has approximately 103 employees.

Plastics ManufacturingUnited 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

Find Roncelli Plastics employees' phone numbers or email addresses

Roncelli Plastics Global Highlights

North America
59

United States Of America
59

Asia
12

Malaysia
12

Roncelli Plastics's Leadership

T. S.
Director Of Quality
Mobile Phone
Email
T. S.
Director Of Quality
Mobile Phone
Email
N. A. A. R.
Hr & Admin Manager
Mobile Phone
Email
O. R.
Quality Administrative Lead
Mobile Phone
Email
J. T.
Lead Quality Engineer
Mobile Phone
Email
B. R.
Treasurer
Mobile Phone
Email
C. A.
Associate
Mobile Phone
Email
E. M.
Leadman
Mobile Phone
Email

Contact profiles from Roncelli Plastics

Name

Title

Contact Info

Location

Last Update

S. R.
Vicepresident
Mobile Phone
Email
Oct 22, 2024
J. G.
Customer Service Supervisor
Mobile Phone
Email
United States
Aug 11, 2025
M. M.
Purchasing
Mobile Phone
Email
United States
Oct 25, 2025
D. M.
Sales Administrative Assistant
Mobile Phone
Email
Oct 17, 2025

Frequently Asked Questions

What is Roncelli Plastics known for?

Roncelli Plastics was founded in 1969 operates in the Plastics Manufacturing industry. The company's main headquarters is located in 330 W Duarte Rd., Monrovia, CA 91016, US; you can contact the main corporate office by phone at

+1-800-250-****

. Explore Roncelli Plastics's company overview page for more information.

What is Roncelli Plastics's most common email format?

Roncelli Plastics employees' email format typically follows the pattern of . 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?

Roncelli Plastics has approximately 103 employees as of October 2025. These team members are located across 2 continents, including North AmericaAsia.

Who are Roncelli Plastics's key employees and leadership?

As of October 2025, Roncelli Plastics's key employees include:

Director Of Quality: T. S.
Director Of Quality: T. S.
Hr & Admin Manager: N. A. A. R.
Quality Administrative Lead: O. R.
Lead Quality Engineer: J. T.

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