Sigma Fasteners, Inc.
Verified listingManufacturer and distributor of fasteners and coated bolting products for the energy industry since 2004. Sigma Fasteners specializes in alloy and carbon steel bolting for petroleum applications (API 20E) and corrosion-resistant bolting for petroleum applications (API 20F). The company provides API-certified bolting at multiple BSL levels (BSL 1, BSL 2, BSL 3) along with coating services for corrosion protection. ISO 9001:2015 certified and API Q1 certified with API Monogram authorization. Headquartered in Houston, Texas, Sigma Fasteners serves the upstream, midstream, and downstream petroleum sectors with quality-assured fastener products including studs, nuts, bolts, and specialty coated fasteners.
Product lines
Coating Services
No product family confirmed yet. Browse Coating Services
Flanges & Fittings — Unspecified
No product family confirmed yet. Browse Flanges & Fittings — Unspecified
Manufacturing & Fabrication
No product family confirmed yet. Browse Manufacturing & Fabrication
Pipe Services — Unspecified
No product family confirmed yet. Browse Pipe Services — Unspecified
Locations
| Site | Type |
|---|---|
| Headquarters |
Service area
Service area not yet confirmed by the company.
Certifications
Company-wide (no site given)
| ISO 9001 | — | Company claim — not verified against the issuer |
Verified: matched to API’s Composite List.
Contacts
Contact details are available to members. Create a free account to view them.