What is Sigma Fasteners, Inc.'s NAICS code?

Sigma Fasteners, Inc.'s NAICS code is 31-33 (Manufacturing).

Insights

API Certified Sigma Fasteners operates as an API certified bolting manufacturer and distributor with API Monogram license and ISO 9001 2000 certification, indicating a strong compliance baseline and potential for bolt supply commitments to API project contractors and EPCs.

Energy Sector Focus With specialization in bolting and coating for the energy industry and status on major wellhead manufacturers' approved vendor lists, there is a clear opportunity to engage upstream oil and gas operators, service firms, and petrochemical projects needing reliable API 20E bolting solutions.

Quality and Compliance Quality certifications and global distribution reach position Sigma as a trusted supplier for high-specification bolts; sales conversations can emphasize traceability, adherence to latest revisions, and readiness to support large-scale manufacturing and maintenance programs.

Midmarket Scale With 11-50 employees and revenue in the 25–50 million range, Sigma sits between small bolt shops and large distributors, suggesting collaborative opportunities with mid-market contractors, distributors, and integrators seeking dependable API-compliant bolt supply to support growth without the complexity of mega-suppliers.

Digital Footprint Active use of web technology and security platforms (Cloudflare, Sucuri, WordPress, Nginx) indicates potential for digital sales enablement, online catalog expansion, and lead capture enhancements to reach energy sector buyers who rely on online procurement channels.

Similar companies to Sigma Fasteners, Inc.

Sigma Fasteners, Inc. Tech Stack

Sigma Fasteners, Inc. uses 8 technology products and services including Sucuri, Cloudflare, MySQL, and more. Explore Sigma Fasteners, Inc.'s tech stack below.

Sucuri
Content Delivery Network
Cloudflare
Content Management System
MySQL
Database
Mimecast
Email Security
Really Simple Discovery
Miscellaneous
SWFObject
Miscellaneous
WP Job Openings
Web Platform Extensions
Contact Form 7
Web Platform Extensions

Media & News

Sigma Fasteners, Inc.'s Email Address Formats

Sigma Fasteners, Inc. uses at least 1 format(s):

Sigma Fasteners, Inc. Email Formats	Example	Percentage
FirstL@sigmafasteners.com	JohnD@sigmafasteners.com	65%
FLast@sigmafasteners.com	JDoe@sigmafasteners.com	18%
Last@sigmafasteners.com	Doe@sigmafasteners.com	13%
First.Last@sigmafasteners.com	John.Doe@sigmafasteners.com	4%

Frequently Asked Questions

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

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

+1-281-214-****

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

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

How much revenue does Sigma Fasteners, Inc. generate?

As of July 2026, Sigma Fasteners, Inc.'s annual revenue is estimated to be $25M - $50M.

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

Sigma Fasteners, Inc.'s SIC code is 3599 - Industrial and Commercial Machinery and Equipment, Not Elsewhere Classified NAICS code is 31-33 - Manufacturing.

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

As of July 2026, Sigma Fasteners, Inc. has approximately 39 employees across 1 continents, including North America. Key team members include Vice President Business Development: S. C.Director , Information Technology: O. M.Inside Sales Representative: H. L.. Explore Sigma Fasteners, Inc.'s employee directory with LeadIQ.

What industry does Sigma Fasteners, Inc. belong to?

Sigma Fasteners, Inc. operates in the Manufacturing industry.

What technology does Sigma Fasteners, Inc. use?

Sigma Fasteners, Inc.'s tech stack includes SucuriCloudflareMySQLMimecastReally Simple DiscoverySWFObjectWP Job OpeningsContact Form 7.

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

Sigma Fasteners, Inc.'s email format typically follows the pattern of FirstL@sigmafasteners.com. Find more Sigma Fasteners, Inc. email formats with LeadIQ.

When was Sigma Fasteners, Inc. founded?

Sigma Fasteners, Inc. was founded in 2004.

Sigma Fasteners, Inc.

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

Sigma Fasteners, Inc. has approximately 39 employees.

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

Sigma Fasteners, Inc.'s tech stack includes WooCommerce, reCAPTCHA, Genesis Framework, X-XSS-Protection, Apache.

ManufacturingTexas, United States11-50 Employees

Sigma Fasteners, Inc. is a manufacturing and distribution company focused on bolting and coating for the energy sector. It provides standard bolting products and also manufactures custom bolts tailored to customer specifications, following the latest revisions and project drawings.

The company holds an API 20E Monogram License to produce API 20E bolting and is certified to API Spec Q1, 9th edition. It is ISO 9001:2000 certified and appears on the approved vendor lists of major wellhead manufacturers as well as energy and petrochemical firms worldwide. Based in Houston, Texas, Sigma Fasteners serves customers in the energy and petrochemical industries seeking reliable bolting solutions aligned with industry standards.

Company Overview

Phone number: +1-281-214-****
Website: sigmafasteners.com
SIC Code: 3599 - Industrial and Commercial Machinery and Equipment, Not Elsewhere Classified
NAICS Code: 31-33 - Manufacturing
Founded: 2004
Employees: 11-50