Insights

SMB Contracting Target mid-market OEMs and integrators in need of contract manufacturing for custom cable assemblies, electrical harnesses, and power supplies to expand their supplier base and improve on-time delivery.

Global-Local Fit Position Sigma Four as a scalable partner that can support local production with global reach, appealing to companies seeking regional responsiveness combined with international sourcing capabilities.

Quality Emphasis Leverage ISO 9002 compliance and a stated focus on on-time delivery to pursue customers with stringent quality and regulatory requirements, including medical product and service providers.

Prototype to Production Highlight end-to-end capabilities from prototyping to full-scale manufacturing and kitting to attract startups and engineering teams needing a single supplier for rapid development and manufacturing hand-off.

Growth Signals With a revenue range of 10M–25M and a lean team, target partners looking for cost-effective, agile suppliers who can scale operations as customer programs grow without large incumbent overhead.

Sigma Four Inc., Tech Stack

Sigma Four Inc., uses 8 technology products and services including gstatic.com, WordPress, oEmbed, and more. Explore Sigma Four Inc.,'s tech stack below.

gstatic.com

Content Delivery Network

WordPress

Content Management System

oEmbed

Dev Tools

1&1

E-commerce

WooCommerce

E-commerce

Microsoft 365

Wow

Marketing Analytics

Really Simple Discovery

Miscellaneous

Sigma Four Inc., Email Formats	Example	Percentage
First@sigma4inc.com	John@sigma4inc.com	67%
First.Last@sigma4inc.com	John.Doe@sigma4inc.com	33%

Sigma Four Inc., Email Formats

Example

Percentage

First@sigma4inc.com

John@sigma4inc.com

67%

First.Last@sigma4inc.com

John.Doe@sigma4inc.com

33%

Frequently Asked Questions

What is Sigma Four Inc.,'s phone number?

You can contact Sigma Four Inc.,'s main corporate office by phone at

+1-972-423-****

. 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 Sigma Four Inc.,'s official website and social media links?

Sigma Four Inc.,'s official website is sigma4inc.com and has social profiles on LinkedIn.

How much revenue does Sigma Four Inc., generate?

As of September 2026, Sigma Four Inc.,'s annual revenue is estimated to be $10M - $25M.

What is Sigma Four Inc.,'s SIC code and NAICS code?

Sigma Four Inc.,'s SIC code is 5099 - Durable Goods, Not Elsewhere Classified and NAICS code is 335 - Electrical Equipment, Appliance, and Component Manufacturing.

How many employees does Sigma Four Inc., have currently?

As of September 2026, Sigma Four Inc., has approximately 11 employees across 1 continents, including North America. Key team members include Owner: J. P. Explore Sigma Four Inc.,'s employee directory with LeadIQ.

What industry does Sigma Four Inc., belong to?

Sigma Four Inc., operates in the Appliances, Electrical, and Electronics Manufacturing industry.

What technology does Sigma Four Inc., use?

Sigma Four Inc.,'s tech stack includes gstatic.com, WordPress, oEmbed, 1&1, WooCommerce, Microsoft 365, Wow and Really Simple Discovery.

What is Sigma Four Inc.,'s email format?

Sigma Four Inc.,'s email format typically follows the pattern of First@sigma4inc.com. Find more Sigma Four Inc., email formats with LeadIQ.

When was Sigma Four Inc., founded?

Sigma Four Inc., was founded in 1984.

Sigma Four Inc.,

Q: What is Sigma Four Inc.,'s official website and social media links?

Sigma Four Inc.,'s official website is sigma4inc.com. Sigma Four Inc., has social profiles on LinkedIn.

Q: How many employees does Sigma Four Inc., have currently?

Sigma Four Inc., has approximately 11 employees.

Q: What technology does Sigma Four Inc., use?

Sigma Four Inc.,'s tech stack includes OWL Carousel, 1&1, Select2, AS9100, Bootstrap.

Q: What is Sigma Four Inc.,'s NAICS code?

Sigma Four Inc.,'s NAICS code is 335 (Electrical Equipment, Appliance, and Component Manufacturing).

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

Sigma Four Inc. is a small manufacturing firm based in Plano, Texas, with roots extending back to 1984. The company provides contract manufacturing for electrical components, including custom cable assemblies, electrical harnesses, and power supplies, as well as medical products, value-added services, and prototype systems. It adheres to ISO 9002 quality management standards and focuses on meeting customers’ distinctive requirements.

Its client base includes organizations seeking tailored production solutions and it can interpret specifications from drawings, prints, samples, schematics, or even verbal instructions. As a locally rooted supplier with the ability to engage with both local and international manufacturers, Sigma Four supports global needs and emphasizes timely delivery. Based in Plano and operating with a small workforce, Sigma Four concentrates on reliability and quality in its offerings.

Insights

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