Spiral Manufacturing Company, Inc. is a major North American manufacturer of lock-seam, high pressure Spiral pipe and fittings. We offer a complete line of standard commercial and industrial spiral pipe, fittings, and custom fabrications designed to meet

We offer a complete line of standard commercial and Industrial Spiral pipe, fittings, and custom fabrications designed to meet all standard specifications. Our products are engineered and built to meet or exceed all SMACNA (Sheet Metal and Contractors National Association) standards, and you can expect quality and on-time delivery, whether you need a few components or a complete system for a major installation.

As a result of its superior structural strength, the ductwork requires fewer joints and hangers. Four plys of metal form a continuous interlocked reinforcing rib on the outside which permits making long lengths of pipe in various diameters... (more)

Production

"Production run" means making a lot of one product at once. The factories listed under "production" can produce small and/or large quantities. The minimum order for a production run can vary from factory to factory (some have no minimum, some require a dozen, and some require up to 1,000 to be made at once)