Rule Steel is a manufacturing company that has been creating quality steel products for over 47 years in the Caldwell Idaho area.  We are located in beautiful Caldwell, Idaho right next to the Boise River. We are 30 miles west of Boise and 1 mile South of the rural town of Middleton.  Since 1960 we have been manufacturing an assortment of steel products at the same location. We manufacture steel product for a wide variety of industries on a regional, nation and international basis. Rule Steel's diversified product lines allows us to work with a variety of business, municipalities, government and nonprofit agencies.

For an overview of our products please visit any of our Company Division pages!