Insights

Reliability Emphasis Cosel USA is a long-standing specialist in high-reliability switch mode AC-DC power supplies, DC-DC converters, and EMI filters, with a 50+ year track record and very low field failure rates. This suggests strong compatibility with customers valuing durability and uptime, presenting opportunities to target industries with stringent reliability requirements.

Mid-Sized Focus With 11-50 employees and revenue in the 10–25 million range, Cosel USA likely operates with a lean, agile sales approach. This implies sales cycles that can be moved quickly via direct outreach, channel partnerships, and targeted account-based strategies toward mid-market manufacturers.

Industrial Applications As a player in appliances, electrical, and electronics manufacturing, Cosel’s products are relevant to sectors such as industrial equipment, medical devices, automation, and power-intensive consumer electronics. These verticals offer cross-sell opportunities for EMI filters, power supplies, and DC-DC solutions.

Global Quality Signaling Cosel’s use of ISO 9001 and emphasis on quality/service signals a commitment to standards-driven procurement. This can be leveraged to position premium, compliant components to global manufacturers seeking reliability and traceability in supply chains.

Growth-Ready Partners Comparables show larger players in the ecosystem with substantial revenue and employees, indicating Cosel could benefit from partnerships or OEM relationships to scale, expand distribution, and enter new markets through co-branded or private-label configurations.

Cosel USA Tech Stack

Cosel USA uses 8 technology products and services including Site Kit, ISO 9001, JSON-LD, and more. Explore Cosel USA's tech stack below.

  • Site Kit
    Analytics
  • ISO 9001
    Certificates
  • JSON-LD
    Javascript Frameworks
  • jQuery Migrate
    Javascript Libraries
  • Really Simple Discovery
    Miscellaneous
  • Office 365
    Office Suites
  • Microsoft Word
    Office Suites
  • Sitelinks Search Box
    Web Tools And Plugins

Media & News

Cosel USA's Email Address Formats

Cosel USA uses at least 1 format(s):
Cosel USA Email FormatsExamplePercentage
First@coselusa.comJohn@coselusa.com
64%
FLast@coselusa.comJDoe@coselusa.com
27%
First.Last@coselusa.comJohn.Doe@coselusa.com
4%
FirLast@coselusa.comJohDoe@coselusa.com
5%

Frequently Asked Questions

What is Cosel USA's phone number?

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You can contact Cosel USA's main corporate office by phone at . 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 Cosel USA's official website and social media links?

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Cosel USA's official website is coselusa.com and has social profiles on LinkedIn.

What is Cosel USA's NAICS code?

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Cosel USA's NAICS code is 335 - Electrical Equipment, Appliance, and Component Manufacturing.

How many employees does Cosel USA have currently?

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As of July 2026, Cosel USA has approximately 19 employees across 2 continents, including North AmericaAsia. Key team members include Strategic Accounts Manager East: D. B.Engineering Manager: T. Y.Regional Sales Manager - New England, Mid Atlantic, Eastern Canada: M. K.. Explore Cosel USA's employee directory with LeadIQ.

What industry does Cosel USA belong to?

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Cosel USA operates in the Appliances, Electrical, and Electronics Manufacturing industry.

What technology does Cosel USA use?

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Cosel USA's tech stack includes Site KitISO 9001JSON-LDjQuery MigrateReally Simple DiscoveryOffice 365Microsoft WordSitelinks Search Box.

What is Cosel USA's email format?

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Cosel USA's email format typically follows the pattern of First@coselusa.com. Find more Cosel USA email formats with LeadIQ.

When was Cosel USA founded?

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Cosel USA was founded in 1969.
Cosel USA logo

Cosel USA

Appliances, Electrical, and Electronics ManufacturingCalifornia, United States11-50 Employees

Cosel USA designs and manufactures power conversion and EMI filtering solutions for use in electrical and electronic products. The company specializes in switch mode AC-DC power supplies and DC-DC converters, offering reliable components intended to meet stringent quality and service expectations for critical applications. Based in San Jose, California, Cosel has established itself within the appliances, electrical, and electronics manufacturing sector with a focus on reliability and technical support as distinguishing attributes. The organization has a long-standing history in the field, dating back to 1969, and serves customers seeking dependable power and filtration solutions. As a smaller, specialized player in its industry, Cosel emphasizes consistent performance and customer service as core elements of its positioning. A recent development highlights ongoing activity in its operational domain, underscoring continued involvement in its market niche.

Section iconCompany Overview

Phone number
NAICS Code
335 - Electrical Equipment, Appliance, and Component Manufacturing
Founded
1969
Employees
11-50

Section iconMedia & News

Section iconFunding & Financials

  • $10M$25M

    Cosel USA's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    Cosel USA's revenue is estimated to be in the range of $10M$25M

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