What departments does Roncelli Plastics have?

Roncelli Plastics has employees across 4 departments including Quality Assurance, Human Resources, Healthcare Services, Sales.

What is the largest department at Roncelli Plastics?

The largest department at Roncelli Plastics is Quality Assurance with 3 employees.

Where are Roncelli Plastics employees located globally?

Roncelli Plastics has employees across 2 continents and 2 countries including Malaysia, United States Of America.

How has Roncelli Plastics's team size changed over time?

Roncelli Plastics's team has grown from approximately 55 to 59 employees based on available data.

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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.

Roncelli Plastics Global Highlights

North America
68

United States Of America
68

Asia
14

Malaysia
14

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
B. R.
Treasurer
Mobile Phone
Email
C. A.
Associate
Mobile Phone
Email
J. S.
Associate
Mobile Phone
Email
O. N.
Registered Nurse
Mobile Phone
Email

Roncelli Plastics Employee Metrics

100%

50%

2026

2025

Quality Assurance
Business
Human Resources
Accounting
Administrative
Other

Contact profiles from Roncelli Plastics

Name

Title

Contact Info

Location

Last Update

J. A.
Mobile Phone
Email
Nov 26, 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 West Duarte Road Monrovia, California 91016 United States; 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 115 employees as of June 2026. These team members are located across 2 continents, including North AmericaAsia.

Who are Roncelli Plastics's key employees and leadership?

As of June 2026, 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.
Treasurer: B. R.

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Roncelli Plastics Employee Directory

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