Insights

Small-scale contract Target Sigma Four as a high-potential partner for contract manufacturing of custom cable assemblies and electrical harnesses, leveraging their ISO 9002 quality focus and capability to work from drawings, schematics, or verbal instructions.

Medical product potential Leverage their stated specialization in medical products and services to pursue new opportunities in medical device component manufacturing, emphasizing prototype development and value-added services for rapid prototyping.

Global collaboration Position as a facilitator for local-to-global manufacturing needs, offering scaled capabilities and supply chain support to customers seeking both regional agility and global reach.

Tech stack relevance Engage through digital enablement and eCommerce channels using their WordPress, WooCommerce, and embedded mapping capabilities to streamline quotes, orders, and project updates for repeat customers.

Quality delivery Highlight on-time delivery and strict quality posture to win programs requiring reliable lead times and consistent performance, appealing to OEMs seeking dependable partners in the plano region.

Sigma Four Inc., Tech Stack

Sigma Four Inc., uses 8 technology products and services including gstatic.com, oEmbed, 1&1, and more. Explore Sigma Four Inc.,'s tech stack below.

gstatic.com

Content Delivery Network

oEmbed

Dev Tools

1&1

E-commerce

Google Maps

Maps

Wow

Marketing Analytics

Office 365

Office Suites

Elementor

Page Builders

Apache HTTP Server

Web Servers

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

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

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

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

As of July 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.comoEmbed1&1Google MapsWowOffice 365ElementorApache HTTP Server.

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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