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About Us

Who Is Diamond Aluminum?

Diamond Aluminum Company offers the highest quality of structural aluminum slip fittings on the market today. Since 1957, we have provided superior service to our customers and have assisted them in achieving their goals. Our five-plus decades of experience and commitment to excellence have earned us the reputation as one of the most responsive companies in the business.

Our Values


At Diamond Aluminum Company, you receive the kind of quality and service you expect from a leader. Our company is always evolving as the needs of our customers change and as new opportunities are created in the market. You can rest assured that, working with Diamond Aluminum Company, you will enjoy the latest services, technology and developments in the industry.

Customer Relations

At Diamond Aluminum Company, our highest priority is satisfied customers. You are important to us and you can expect us to go the extra mile for your business – regardless as to the size or frequency of your order. Our promise stands whether you need one fitting or a container load! Superior customer service is the hallmark of Diamond Aluminum Company. We are proud to serve you and work hard to earn your business.