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SUMCO Employee Directory

Semiconductor ManufacturingArizona, United States501-1000 Employees

SUMCO has about 622 employees across 3 continents, most of them in North America. By country, the largest groups are United States Of America (87%), Japan (5%) and Indonesia (4%). Engineering and Administrative make up 47% of the profiles with a known department. SUMCO's workforce spans 23 departments. SUMCO's workforce held steady between July 2025 and July 2026.

Find SUMCO employees' phone numbers or email addresses

SUMCO Global Highlights

Location
Employees

North America
466

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  • United States Of America
    463
  • Dominican Republic
    2
  • Costa Rica
    1

Asia
53

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  • Japan
    29
  • Indonesia
    19
  • Singapore
    2
  • United Arab Emirates
    1
  • India
    1
  • Saudi Arabia
    1

Europe
12

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  • United Kingdom Of Great Britain And Northern Ireland
    6
  • France
    2
  • Ireland
    2
  • Spain
    1
  • Italy
    1

South America
1

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  • Ecuador
    1

North America accounts for 88% of SUMCO's workforce, followed by Asia (10%) and Europe (2%).

SUMCO's Leadership

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

SUMCO Employee Metrics

100%
50%
0%
2026
2025
  • Engineering
  • Quality Assurance
  • Information Technology
  • Manufacturing
  • Sales
  • Other
  • Analytics
  • Administrative
  • Accounting
  • Business
  • Supply Chain

Engineering is the largest department at 35% of profiles with a known department, up from 32% in July 2025, followed by Administrative (12%, up from 2%) and Business (6%, up from 0%).

Contact profiles from SUMCO

Name
Title
Contact
Location
Last Update
  • Owner at SUMCO
    A. S.
    Owner
    Mobile Phone
    India, Maharashtra
    Aug 31, 2026
  • Chief Executive Officer at SUMCO
    C. T.
    Chief Executive Officer
    Mobile Phone
    Jul 31, 2026
  • Owner at SUMCO
    A. P.
    Owner
    Mobile Phone
    Oct 21, 2024
  • President And Chief Executive Officer at SUMCO
    B. R.
    President And Chief Executive Officer
    Mobile Phone
    Oct 17, 2024
  • Owner at SUMCO
    C. S.
    Owner
    Mobile Phone
    Oct 23, 2024
  • Founder at SUMCO
    C. H.
    Founder
    Mobile Phone
    Oct 22, 2024
  • Chief Executive Officer at SUMCO
    J. R.
    Chief Executive Officer
    Mobile Phone
    Oct 22, 2024
  • President at SUMCO
    J. P.
    President
    Mobile Phone
    Oct 17, 2024
  • President at SUMCO
    L. R.
    President
    Mobile Phone
    Oct 17, 2024
  • Vice President Technical Marketing at SUMCO
    C. N.
    Vice President Technical Marketing
    Mobile Phone
    Italy, Lazio
    Jul 31, 2026

Frequently Asked Questions

What are the largest departments at SUMCO?

Minus sign iconPlus sign iconEngineering is the largest department at 35% of profiles with a known department, up from 32% in July 2025, followed by Administrative (12%, up from 2%) and Business (6%, up from 0%). SUMCO's workforce spans 23 departments.

Where are SUMCO's employees located?

Minus sign iconPlus sign iconSUMCO has about 622 employees across 3 continents, most of them in North America. North America accounts for 88% of SUMCO's workforce, followed by Asia (10%) and Europe (2%). By country, the largest groups are United States Of America (87%), Japan (5%) and Indonesia (4%).

How has SUMCO's workforce changed over the past year?

Minus sign iconPlus sign iconSUMCO's workforce held steady between July 2025 and July 2026. Engineering's share of profiles with a known department rose from 32% to 35%.

How many employees does SUMCO have currently?

Minus sign iconPlus sign iconSUMCO has approximately 622 employees as of October 2026. These team members are located across 4 continents, including North America, Asia and Europe.

Who are SUMCO's key employees and leadership?

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As of October 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.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

What is SUMCO's most common email format?

Minus sign iconPlus sign iconSUMCO 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.

What is SUMCO known for?

Minus sign iconPlus sign iconSUMCO 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.

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