What departments does SUMCO have?

SUMCO has employees across 18 departments including Entrepreneurship, Marketing, Engineering, Business, Environmental Services.

What is the largest department at SUMCO?

The largest department at SUMCO is Sales with 4 employees.

Where are SUMCO employees located globally?

SUMCO has employees across 5 continents and 16 countries including United Arab Emirates, Singapore, Japan, Indonesia, Saudi Arabia.

How has SUMCO's team size changed over time?

SUMCO's team has decreased from approximately 613 to 297 employees based on available data.

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SUMCO Employee Directory

Semiconductor ManufacturingArizona, United States501-1000 Employees

SUMCO Phoenix Corporation operates in the semiconductor manufacturing industry and is based in Phoenix, Arizona. It manufactures electronic-grade silicon wafers used by semiconductor companies worldwide to produce integrated circuits and other semiconductor devices that power a wide range of electronic products. The company employs between 501 and 1,000 people. Its technology stack includes SAP HANA and SAP S/4HANA, SAP Human Capital Management, Microsoft Azure, DocuSign, Honeywell, and Microsoft IIS, reflecting its use of enterprise software and cloud services. The company maintains a web presence at sumcousa.com.

SUMCO Global Highlights

North America
456

United States Of America
454
Dominican Republic
2

Asia
45

Japan
23
Indonesia
17
Singapore
2
United Arab Emirates
1
Saudi Arabia
1
India
1

Europe
11

United Kingdom Of Great Britain And Northern Ireland
5
Ireland
2
France
2
Spain
1
Italy
1

South America
1

Ecuador
1

SUMCO's Leadership

C. T.
Chief Executive Officer
Mobile Phone
Email
J. R.
Chief Executive Officer
Mobile Phone
Email
C. N.
Vice President Technical Marketing
Mobile Phone
Email
B. R.
President And Chief Executive Officer
Mobile Phone
Email
J. P.
President
Mobile Phone
Email
L. R.
President
Mobile Phone
Email
C. H.
Founder
Mobile Phone
Email
A. S.
Owner
Mobile Phone
Email

SUMCO Employee Metrics

100%

50%

2026

2025

Engineering
Quality Assurance
Information Technology
Manufacturing
Sales
Other
Analytics
Administrative
Accounting
Business
Supply Chain

Contact profiles from SUMCO

Name

Title

Contact

Location

Last Update

A. L.
General Manager
Mobile Phone
Email
France, Île-de-France
Apr 17, 2026
M. M.
Sales Account Manager
Mobile Phone
Email
Singapore
Feb 19, 2026
K. T.
Assistant Manager Of Quality
Mobile Phone
Email
Japan
Sep 01, 2026
H. H.
Senior Programmer Analyst
Mobile Phone
Email
Ecuador
Aug 20, 2026
J. R.
Principal
Mobile Phone
Email
Oct 17, 2024
P. P.
Senior Accounting Assistant
Mobile Phone
Email
Oct 22, 2024
S. R.
Principal
Mobile Phone
Email
Oct 17, 2024
R. S. N.
Strategic Advisor
Mobile Phone
Email
Indonesia, Yogyakarta
Jul 06, 2026
D. B.
Staff Engineer + Os Lab Supervisor
Mobile Phone
Email
Jun 27, 2026
S. W.
Warehouse Worker
Mobile Phone
Email
Indonesia, West Java
Sep 04, 2026

Frequently Asked Questions

What is SUMCO known for?

SUMCO operates in the Semiconductor Manufacturing industry. You can contact SUMCO's main corporate office by phone at

+1-480-473-****

. Explore SUMCO's company overview page for more information.

What is SUMCO's most common email format?

SUMCO employees' email format typically follows the pattern of First.Last@sumcousa.com. Trying to find reliable and up-to-date employee contact data? Find more SUMCO email formats with LeadIQ.

How many employees does SUMCO have currently?

SUMCO has approximately 618 employees as of August 2026. These team members are located across 4 continents, including North America, Asia and Europe.

Who are SUMCO's key employees and leadership?

As of August 2026, SUMCO's key employees include:

Chief Executive Officer: C. T.
Chief Executive Officer: J. R.
Vice President Technical Marketing: C. N.
President And Chief Executive Officer: B. R.
President: J. P.

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SUMCO Employee Directory

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