We’re not just welding supplies, we’re so much more.
Everything You Need to Build, Repair, Fabricate, and Finish.
Since 1978, MJB Welding Supply has helped professionals, students, manufacturers, and hobbyists find the right equipment for every job. From welding machines and industrial gases to air compressors, coatings, automation, and safety gear, we provide the products, expertise, and service to keep your projects moving.
Why MJB?
More Than a Supplier — Your Project Partner
Anyone can sell equipment.
At MJB Welding Supply, we help you choose the right equipment the first time. Our factory-trained team works with customers every day to recommend products, demonstrate equipment, provide application support, and service what we sell.
Whether you’re outfitting a fabrication shop, starting welding school, or expanding your manufacturing operation, our goal is simple:
Help you work safer, faster, and more efficiently.
Industrial Gases
As one of Northern California’s leading industrial gas suppliers, we stock oxygen, acetylene, argon, nitrogen, helium, carbon dioxide, specialty gases, and cryogenics for welding, manufacturing, food service, agriculture, and industrial applications.
Welding Equipment
From portable welders to industrial power sources, we carry equipment trusted by professionals across Northern California. Our team can help you compare machines, demonstrate features, and recommend the best solution for your application.
Hardgoods
Wire, Electrodes, Filler Metals, TIG Rod, Flux, Nozzles, Tips, Consumables for virtually every welding process. Old or new equipment, common or special items, we supply to fit your needs.
Industrial Paint & Coatings
Our Chico location offers custom color matching, industrial coating solutions, powder coating supplies, and application equipment backed by knowledgeable specialists who understand demanding industrial environments.
Plasma & CNC Cutting
Whether you’re cutting by hand or operating a fully automated CNC table, our experienced team helps customers select the right plasma, oxy-fuel, waterjet, and CNC cutting solutions for their workflow.
Welding Automation
Increase productivity and consistency with automation solutions designed around your operation. From collaborative systems to robotic welding applications, our team helps identify opportunities that improve efficiency and reduce production costs.
Safety Equipment
Protect your team with professional-grade PPE, respiratory protection, welding helmets, gloves, face shields, hearing protection, and safety apparel from industry-leading manufacturers.
Need OSHA respiratory compliance?
Our partnership with 3M allows us to provide certified respiratory training and “Train the Trainer” programs.
Metal Working Equipment
Bandsaws, Ironworkers, Lathes, Press Brakes, Mills, Drill Presses, Tube Benders, Fabrication Equipment, and more. Whether you’re building a new shop or upgrading existing equipment, we’ll help you find machines built for long-term performance.