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Photo of pipes with a Sigma Logo on them Photo of pipes being measured Photo of pipes being tested

The strongest, most experienced steel distributor in the oil patch.


Our quality management system is the foundation of our company.  We continually improve our system to meet new standards.  In May 2018, Sigma Tube & Bar received API-Q1 and ISO 9001:2015 certificates. 


Our employees understand the importance of service. You can expect quick quotes and same day deliveries. Unlike the big metal service centers we welcome special requests.


Our employees average over 10 years experience in the oil patch. Our salesmen understand your material requirements. Our quality department understands your document requirements. Our warehouse understands your service requirements.

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