Welcome

Rule Steel is a manufacturing company that has been creating quality steel products for over 51 years.  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.  We have been manufacturing an assortment of steel products at the same location since 1960. We manufacture steel products 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!