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Cylinders service image


Save money and time by making one time deposit. When you return the cylinder(s) your deposit is returned.

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Gasses service image


Superior Welding Supply Company offers a complete line of industrial compressed gases, cryogenic liquid dewars, and bulk delivery systems.

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Fire Protection service image

Fire Protection

At Superior we install and maintain all types of fire protection equipment and fire protection systems at reasonable prices while demonstrating unmatched professionalism in installation and service.

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About Us

Superior Welding Supply Co. is an independent, locally owned distributor, with over 93 years of business experience. We provide welding equipment, industrial, medical and specialty gases, safety equipment and related supplies. Our headquarters is located in Waterloo IA, with branch stores in Des Moines IA, Dubuque IA, and Marshalltown IA. We also have over 40 “stock points” throughout our territory, including WI and IL. Our customer base ranges from small welding shops to large corporations.

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Business Hours

Monday – Friday: 7 am – 5 pm
Monday – Friday: 7 am – 5 pm
Monday – Friday: 7 am – 4:30 pm
Monday – Friday: 7 am – 5 pm

Call Us

Waterloo (319) 232-6861
Dubuque (563) 556-7461
Marshalltown (641) 753-4874
Des Moines (515) 262-5830

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