OFMP

API 5CT casing, tubing & drill pipe suppliers

Oil country tubular goods: casing and tubing, corrosion-resistant alloy tubes, drill pipe, coiled tubing and the threading and gauging work that connects them.

API standards
API-5CT, API-5CRA, API-5DP, API-5B, API-5ST
Product categories
23
View API-5CT supplier profilesFilter in the product atlas

Standards and suppliers

API-5CT

Casing and Tubing

10 product categories (source: API Composite List)

API-5CT suppliers
API-5CRA

Corrosion Resistant Alloy Seamless Tubes for Use as Casing, Tubing and Coupling Stock

6 product categories (source: API Composite List)

API-5CRA suppliers
API-5B

Threading, Gauging and Thread Inspection of Casing, Tubing and Line Pipe Threads

3 product categories (source: API Composite List)

API-5B suppliers

Product categories

Frequently asked questions

Are the tubulars / octg suppliers listed here certified by OFMP?

No. OFMP is not API and does not certify, audit or endorse suppliers. Supplier profiles organize API certificate records that the source marks Active; confirm the certificate number, product scope and current status on the API Composite List before purchasing.

How do I check a supplier's API certificate?

Search the API Composite List by certificate number or company name and check that the status, facility address and product scope match the quotation. Read the guide

How do I contact a supplier?

Open a supplier profile. Active members can view the contact details a supplier has provided.

Standard and product names come from the API Composite List search snapshot (2026-10-10). Family groupings and Chinese reading aids are OFMP editorial additions, not official API classifications or translations. OFMP is not affiliated with API.

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