Located in Rock Valley, Iowa, Double HH Manufacturing has established a reputation for excellence by consistently providing quality work, delivering products on schedule and exceeding customer expectations.

No matter how big or small, simple or complex – Double HH Manufacturing has the dedicated manpower, state-of-the-art equipment and dependable resources to do the job. We credit our success to hard-working employees and the community of Rock Valley – which has supported us for over 40 years.

Our Mission

Double HH Manufacturing is committed to providing employment and vocational training for persons with disabilities while maintaining an integrated manufacturing and machining operation which exceeds customer expectations and demands.

DoubleHH - Exhaust Weather Cap

Exhaust Weather Cap