M & M Portable Welding is the best choice for high quality industrial, commercial, and residential mobile welding services in Los Angeles, Orange County, and San Bernardino County. We have over 34 years of experience, hold seven welding licenses from the City of Los Angeles, and are a Caltrans and AWS Certified Welder. Since 1984, we have been a trusted welding shop for thousands of building contractors, construction companies, commercial businesses, and private individuals. Whether you need structural welding in Hollywood, machinery welding in Anaheim, or rebar welding in Irvine, we have the skills and expertise to get the job done right, the first time. Call today! We always complete all welds to be long-lasting, structurally-sound, and in compliance with city and county building codes. We offer fast, responsive service and 24/7 emergency welding services for Los Angeles, Ontario, Big Bear Lake, Hollywood, Irvine, Anaheim, and surrounding areas.