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

Industrial and Commercial Welding for Los Angeles,
San Bernardino, and Orange County

24/7 Industrial, Commercial Welding Los Angeles
  • Expert Workmanship From a Reliable Welding Team
  • Over 3 Decades of Experience
  • L.A. Licensed and Certified Welder
  • AWS Certified Welder and Caltrans Certified Welder
  • TIG Welding, Arc Welding, and MIG Welding
  • Pipe Welding and Steel Frame Welding
  • Convenient Onsite/Mobile Welding
  • 24/7 Emergency Welding Services

Licensed and Certified Welder With Over 39 Years of Experience

M & M Welding is a privately-owned welding shop dedicated to providing high quality industrial and commercial welding to Los Angeles, San Bernardino, and Orange County. With over three decades of industry experience and multiple welding certifications, we are qualified to perform welding on a wide range of metals, including steel, stainless steel, iron and sheet metal. Over the years, thousands of manufacturers, commercial businesses, industrial and manufacturing facilities, building contractors, steel erectors, retail stores, municipalities, and city agencies have come to rely on us for our exceptional craftsmanship, fast response times, and reliable work ethic. We hold seven LA Welding Licenses, are an AWS (American Welding Society) Certified Welder, and a Caltrans Certified Welder. Just a few of our past clients include Southern California Edison, Legoland, and Knott's Soak City Waterpark.

Expert Aluminum TIG Welding, Arc Welding, MIG Welding, Plasma Welding, Steel Beam Welding, Frame Welding, Pipe Welding, Light Gauge Welding, Air Arc Weld Removal, and More

Our comprehensive welding services include, but are not limited to:

  • Manufacturing equipment and machinery
  • Pipe welding (gas lines, steam lines, water lines, and petroleum lines)
  • Steel plate welding
  • Metal patches and metal rot repair
  • Rebar welding
  • Structural steel welding
  • Steel beam welding
  • Leak and crack repair
  • Aluminum tubing
  • Gates and handrails
  • Balconies, stair rails, and stair treads
  • Diesel fuel tanks and water tanks
  • Heavy equipment
  • Trailers and trailer hitches
  • Air arc weld removal
  • And more. . .

The Best Choice for Certified Industrial and Commercial Welding in Los Angeles County, San Bernardino County, and Orange County

At M & M Welding, we understand the need for reliable, on-time workmanship that is completed according to the highest industry standards for professionalism and efficiency. That's why our experienced team of mobile welders always uses the best practices on every job, no matter how large or small. Whether you need pipeline repair for a commercial business in Los Angeles, machinery welding for a manufacturing facility in Ontario, or steel frame welding for your building site in Hollywood, we have the skills, expertise, and advanced certifications to deliver expert welding services according to your needs and budget.

Experienced Portable Welding Company Available Any Time of the Day or Night Throughout Ontario, San Bernardino, Los Angeles, Hollywood, Anaheim, Irvine, and Surrounding Areas

As a portable welder, we bring our welding shop to you, and offer 24/7 emergency welding services for your added convenience. Contact us today to learn more.

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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