24 Hour Emergency Service

Business : (909) 874-5553

Cell : (951) 204-1668


39 Years of Welding ExperienceLicense #714081

Southern California's Best Choice for Mobile Welding Services

Steel & Aluminum Welding - Moment Welding - Arc Welding - Heavy Equipment Repair

The Best Mobile Welding Services for San Bernardino County, CA

Ontario, Redlands Pipe, TIG & Structural Welder
  • Structural and Steel Beam Welding
  • Aluminum Welding, Arc Welding, and MIG Welding
  • Air Arc Weld Removal
  • No Welding Job Too Big or Too Small
  • 24/7 Emergency Welding Services

Trusted Welding Shop Serving San Bernardino, Ontario, Big Bear Lake, Loma Linda, Redlands & Surrounding Areas Since 1984

M & M Portable Welding offers exceptional industrial, commercial, and residential welding services to San Bernardino, Ontario, Big Bear Lake, Redlands, Loma Linda, and nearby areas. We are a licensed, certified welder with over 39 years of experience, and have the skills and expertise to provide a wide range of professional welding services, including steel welding, pipe welding, arc welding, TIG aluminum welding, MIG welding, moment welding, rebar welding, plasma welding, vehicle welding, and more. With a reliable team of welders, advanced welding equipment, and multiple service trucks, we are fully equipped to handle jobs of all sizes, whether you need steel welding for a trailer hitch in Big Bear Lake or arc welding for a chemical plant in Ontario. We are licensed welding contractors.

Los Angeles Licensed Welder・AWS Certified Welder・Caltrans Certified Welder

M & M Portable Welding holds seven welding licences from the City of Los Angeles, and is Certified by Caltrans and the American Welding Society (AWS). Over the 3 decades we have been in business, we have served thousands of satisfied clients, including manufacturing plants, industrial companies, building contractors, steel erectors, commercial businesses, and private individuals. They rely on us because we always go the extra mile to provide superior welding services that easily meet and exceed the highest industry standards. Our clients know that when they hire M & M Welding, they will receive premium welding services that will be durable, long-lasting, and code compliant.

Superior Welding Services for Steel, Stainless Steel, Aluminum, Sheet Metal, and Iron

Our experienced welders offer San Bernardino County clients a full range of welding services, including:

  • Machinery welding
  • Heavy equipment welding and repair
  • Structural and steel beam welding
  • Pipe welding for gas lines, water lines, and steam lines
  • Vehicle and automotive welding
  • Trailer and trailer hitch welding
  • Carport repair (poles and roofs)
  • Steel patio covers
  • Gate and fence welding
  • Welding for stair rails and stair treads
  • Aluminum tubing welding
  • Diesel tank repair
  • Water tank repair
  • Air arc weld removal
  • Light gauge welding

Responsive Mobile Welding Services Available 24 Hours a Day, 7 Days a Week Throughout San Bernardino County

At M & M Portable Welding, we are dedicated to delivering the best mobile welding services to our clients, whenever they need us, day or night. That's why we offer convenient emergency welding services to all of San Bernardino County, including Ontario, Big Bear Lake, Redlands, Loma Linda, and nearby areas. Give us a call today to learn more about how our premium welding services are the best fit for your industrial, commercial, or residential welding needs.

Licensed and Certified by
the Following Agencies:

California Department of Transportation CertifiedLA Department of Building and Safety WelderAmerican Welding Society Certified Welder

Service Area


Mike @ M&M welding is absolutely fantastic and very easy to work with. He helped our University team out of a very tight spot so we could continue to compete with our vehicle. He welded our aluminum frame up very quickly and the quality of his work was beautiful! He arrived very quickly after our call for help. His equipment is all top notch and very well maintained. I am a professional mechanical engineer and I know good work when I see it. M&M is the best in the industry!

Matt Thor Via Google Review

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