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Primary Structural Steel

Alliance Steel Inc.

Manufactures line of custom designed and pre-engineered metal buildings. Manufactures line of components and mini-storage packages.

3333 S. Council Rd.

Oklahoma City, OK 73179 USA

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Phone: (405) 745-7500

Fax: (405) 745-7502

Armstrong Steel Building Systems

Armstrong Steel is America’s choice supplier of steel buildings. Specializing in custom, one of a kind steel buildings; residential, work-shop, agriculture, commercial and industrial, aerospace and legal marijuana growing facilities, the company offers in-house design, engineering, project management, and manufacturing facility.

5889 Greenwood Plaza Blvd., #300

Greenwood Village, CO 80111 USA

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Phone: 800-345-4610



Associated Metal Components LLC

Manufactures and supplies metal building components and pre-engineered metal buildings. Complete design and fabrication of metal buildings and mini-storages.

1201 MacArthur Ave.

Harvey, LA 70058 USA

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Phone: (504) 348-4262

Fax: (504) 348-4272


ATIR Engineering Software

Structural analysis/design software, including design post-processors for light-gauge steel per the current NA specification, structural steel per AISC, and reinforced concrete per ACI.

3314 West Rance Terrace

Chicago, IL 60712 USA

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Phone: (847) 677-1945

Fax: (847) 677-1945