OSC
Business hours
| Monday | 7:30am to 5:00pm |
| Tuesday | 7:30am to 5:00pm |
| Wednesday | 7:30am to 5:00pm |
| Thursday | 7:30am to 5:00pm |
| Friday | 7:30am to 5:00pm |
About us
Oxygen Service Company is your trusted Willmar, MN supplier for industrial and specialty gases, dry ice, and welding supplies. With 66+ years of expertise and 26 seasoned sales professionals, OSC delivers fast, reliable service across Willmar and beyond. Count on our full-service welding store with 50,000+ SKUs—TIG/MIG and stick welders, plasma cutters, engine drives, welding tables, robots, and PPE—plus rentals, repairs, and inspections. We provide rapid gas delivery, pipeline nitrogen services, and distribution for energy and chemical industries. Need fresh dry ice in Willmar? OSC ships within hours for maximum longevity. Boost productivity with our robotic automation solutions and trusted Midwest partnerships.