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Gathering insights about SUMCO…

Similar companies to SUMCO

SUMCO Tech Stack

SUMCO uses 8 technology products and services including SAP HANA, SAP S/4HANA, SAP Human Capital Management, and more. Explore SUMCO's tech stack below.

SAP HANA
Database Management
SAP S/4HANA
Enterprise Resource Planning
SAP Human Capital Management
Human Resource Management System
Honeywell
IT Infrastructure
DocuSign
Miscellaneous
Microsoft Azure
Platform As A Service
X-Content-Type-Options
Web & Portal Technology
Microsoft IIS
Web Servers

Media & News

SUMCO (OTCMKTS:SUOPY) Short Interest Down 93.6% in December
SUMCO (OTCMKTS:SUOPY - Get Free Report) was the target of a large decline in short interest in the month of December. As of December 31st, there was short interest totaling 202 shares, a decline of 93.6% from the December 15th total of 3,163 shares. Based on an average trading volume of 1,262 shares, the short-interest
Jan 13, 2026 | www.defenseworld.net

SUMCO's Email Address Formats

SUMCO uses at least 1 format(s):

SUMCO Email Formats	Example	Percentage
First.Last@sumcousa.com	John.Doe@sumcousa.com	91%
First@sumcousa.com	John@sumcousa.com	5%
Last.First@sumcousa.com	Doe.John@sumcousa.com	4%

Frequently Asked Questions

Where is SUMCO's headquarters located?

SUMCO's main headquarters is located at Phoenix, Arizona 85050 United States. The company has employees across 4 continents, including North AmericaAsiaEurope.

What is SUMCO's phone number?

You can contact SUMCO's main corporate office by phone at

+1-480-473-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is SUMCO's stock symbol?

SUMCO is a publicly traded company; the company's stock symbol is 3436.T.

What is SUMCO's official website and social media links?

SUMCO's official website is sumcousa.com and has social profiles on LinkedIn.

What is SUMCO's NAICS code?

SUMCO's NAICS code is 3344 - Semiconductor and Other Electronic Component Manufacturing.

How many employees does SUMCO have currently?

As of May 2026, SUMCO has approximately 621 employees across 4 continents, including North AmericaAsiaEurope. Key team members include Chief Executive Officer: C. T.Chief Executive Officer: J. R.Vice President Technical Marketing: C. N.. Explore SUMCO's employee directory with LeadIQ.

What industry does SUMCO belong to?

SUMCO operates in the Semiconductor Manufacturing industry.

What technology does SUMCO use?

SUMCO's tech stack includes SAP HANASAP S/4HANASAP Human Capital ManagementHoneywellDocuSignMicrosoft AzureX-Content-Type-OptionsMicrosoft IIS.

What is SUMCO's email format?

SUMCO's email format typically follows the pattern of First.Last@sumcousa.com. Find more SUMCO email formats with LeadIQ.

SUMCO

Q: What is SUMCO's official website and social media links?

SUMCO's official website is sumcousa.com. SUMCO has social profiles on LinkedIn.

Q: How many employees does SUMCO have currently?

SUMCO has approximately 621 employees.

Q: What technology does SUMCO use?

SUMCO's tech stack includes Microsoft Azure, ISO 14001, SAP Human Capital Management, X-Content-Type-Options, Apache.

Q: What is SUMCO's NAICS code?

SUMCO's NAICS code is 3344 (Semiconductor and Other Electronic Component Manufacturing).

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.

Company Overview

Headquarters: Phoenix, Arizona 85050 United States
Phone number: +1-480-473-****
Website: sumcousa.com
Stock Symbol: 3436.T
NAICS Code: 3344 - Semiconductor and Other Electronic Component Manufacturing
Employees: 501-1000