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Denver’s Top Supplier for Structural Steel, Rebar & Concrete Accessories

Serving contractors, builders, and fabricators, our Osage St. location provides a full selection of rebar, structural steel, and concrete accessories—ready for pickup or fast local delivery. Get the materials you need from a supplier you can trust.

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Denver’s Go-To Source for Structural Steel & Rebar

For over a century, Rio Grande Co. has been a go-to supplier for commercial and residential construction materials. Our Osage Sales Office specializes in providing structural steel solutions, rebar fabrication, and high-quality concrete accessories to contractors across Denver and the Front Range.

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Our Products

From reinforced concrete to custom steel fabrication, our Central Denver location provides the materials professionals trust to build stronger, safer structures. Explore our selection:

Rebar

Concrete Accessories

Structural Steel

Steel Fabrication

Tools & Equipment

Osage Sales Office

ADDRESS

500 Osage St
Denver, CO 80204

Phone: 303.892.8833

HOURS

Monday – Friday: 6:00 am to 4:30 pm

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See What Others Are Saying

Rio Grande Co. is proud to be a trusted supplier for contractors and homeowners across Denver. See what our customers have to say:

Great
Rio Grande Co.
4.2
Based on 102 reviews
Diana S.
I highly recommend Rio Grande Co for building materials. Especially Susan!! Extremely helpful and great to work with! We had an issue with our contractor leaving us high and dry and Susan was able to rectify the situation. Much appreciated!!
ywy_lazy
Good
Brant B.
Jayson D.
Customer service is excellent when mistakes are made. Things are taken care of thank you guys.
Jeffrey V
Brandon
Great staff amazing selection they have everything you need!
Alex K.
Jasmin F.
Always have what I need. Quick service everytime. Friendly and knowledgeable staff!
Samantha S.
Matt I.
Really great people! Ryan S makes the ordering process so quick and easy. Really appreciate the attention to detail from these folks!
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