What departments does SUMCO have?

SUMCO has employees across 19 departments including Entrepreneurship, Marketing, Engineering, Accounting, Business.

What is the largest department at SUMCO?

The largest department at SUMCO is Entrepreneurship with 6 employees.

Where are SUMCO employees located globally?

SUMCO has employees across 5 continents and 13 countries including Japan, Indonesia, Saudi Arabia, Singapore, France.

How has SUMCO's team size changed over time?

SUMCO's team has decreased from approximately 613 to 282 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
350

United States Of America
348
Dominican Republic
2

Asia
47

Japan
25
Indonesia
19
Singapore
2
Saudi Arabia
1

Europe
9

United Kingdom Of Great Britain And Northern Ireland
4
France
3
Italy
1
Ireland
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. P.
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 Info

Location

Last Update

D. C.
Finance Manager
Mobile Phone
Email
Oct 23, 2024
D. T.
Corporate Compensation Benefits Manager
Mobile Phone
Email
Oct 22, 2024
G. F.
Marketing Manager
Mobile Phone
Email
Oct 22, 2024
J. N.
Site Services Manager
Mobile Phone
Email
Oct 22, 2024
K. B.
Production Control Manager/Ftz Administrator
Mobile Phone
Email
Oct 17, 2024
M. M.
Purchasing Manager
Mobile Phone
Email
Oct 23, 2024
N. F.
Manager
Mobile Phone
Email
Oct 22, 2024
T. K.
Manager
Mobile Phone
Email
JapanSaga
Feb 05, 2024
D. N.
Sales Manager
Mobile Phone
Email
JapanTokyo
May 29, 2026
A. L.
General Manager
Mobile Phone
Email
FranceÎle-de-France
Apr 17, 2026

Frequently Asked Questions

What is SUMCO known for?

SUMCO operates in the Semiconductor Manufacturing industry; you can contact the 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 . 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 July 2026. These team members are located across 4 continents, including North AmericaAsiaEurope.

Who are SUMCO's key employees and leadership?

As of July 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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