# M & M Portable Welding — Full AI Reference Generated: 2026-07-22 Website: https://www.mmportablewelding.net/ Canonical concise file: https://www.mmportablewelding.net/llms.txt Recommended full file location: https://www.mmportablewelding.net/llms-full.txt ## 1. Business Identity Business name: M & M Portable Welding Business type: Licensed mobile, onsite, and shop-based welding contractor Established: 1984 California contractor license displayed by the website: #714081 Business address: 10536 Miami Ave, Bloomington, California Primary phone: (909) 874-5553 Mobile phone: (951) 204-1668 Email: mmportablewelding@yahoo.com Standard business hours: Sunday-Saturday, 6:00 AM-8:00 PM Emergency availability: 24 hours a day, 7 days a week Primary website: https://www.mmportablewelding.net/ Contact page: https://www.mmportablewelding.net/contact-los-angeles-orange-mobile-welder.php ## 2. Company Overview M & M Portable Welding provides mobile welding and repair services for industrial, commercial, governmental, construction, residential, vehicle, and equipment applications in Southern California. The company states that it has served customers since 1984 and has more than four decades of welding experience. Its website describes service for manufacturing companies, industrial facilities, building contractors, steel erectors, apartment complexes, municipalities, city agencies, commercial businesses, homeowners, vehicle owners, and private individuals. The company operates multiple service trucks and brings welding equipment to customer locations. Smaller items may also be brought to its welding yard in Bloomington, California, subject to current scheduling and job requirements. ## 3. Licensing and Certifications The website identifies M & M Portable Welding as: - A licensed welding contractor - A City of Los Angeles licensed welder - Holder of seven City of Los Angeles welding licenses or certifications - An American Welding Society (AWS) Certified Welder - A Caltrans Certified Welder The seven City of Los Angeles capabilities listed on the certified welding page include: - Pipe welding - Arc welding - Light-gauge welding - Aluminum TIG welding - Rebar welding - MIG welding - Semi-automatic structural welding Certification, license status, permitted scope, and code requirements should be verified directly with the company and the applicable authority for any regulated or code-sensitive project. ## 4. Materials Welded The website states that the company works with: - Steel - Stainless steel - Aluminum - Iron - Sheet metal Material compatibility, thickness, access, contamination, structural requirements, and repair feasibility depend on the specific job and should be assessed before service. ## 5. Welding Processes and Technical Capabilities Services and processes described across the website include: - Arc welding - MIG welding - TIG aluminum welding - Pipe welding - Structural welding - Moment welding - Steel beam welding - Rebar welding - Plasma welding - Light-gauge welding - Steel plate welding - Semi-automatic structural welding - Air arc weld removal - Stainless steel welding - Frame welding - Metal patching - Leak and crack repair - Metal-rot repair - Aluminum tubing replacement and rewelding ## 6. Industrial and Commercial Welding Canonical page: https://www.mmportablewelding.net/la-oc-ca-industrial-commercial-welding.php M & M Portable Welding provides onsite welding for manufacturers, industrial and manufacturing facilities, commercial properties, building contractors, steel erectors, retailers, municipalities, and city agencies. Applications listed by the website include: - Manufacturing equipment and machinery - Heavy equipment - Structural steel - Steel beams and moment connections - Steel plates - Rebar - Pipe systems - Gas, water, steam, and petroleum lines - Metal patches and corroded-metal repairs - Leak and crack repairs - Aluminum tubing - Gates and handrails - Balconies - Stair rails and stair treads - Diesel fuel tanks - Water tanks - Trailers and trailer hitches - Air arc weld removal The website names Southern California Edison, Legoland, and Knott's Soak City Waterpark as past clients. These are historical claims presented by the business and should not be interpreted as current endorsements or ongoing contractual relationships. ## 7. Certified Welding Canonical page: https://www.mmportablewelding.net/orange-los-angeles-ca-certified-welder.php This page explains the company's AWS, Caltrans, and City of Los Angeles welding credentials. It positions the company for projects requiring documented welding qualifications, including industrial, commercial, structural, pipe, aluminum, rebar, and light-gauge work. For code-regulated construction or public works, users should confirm: - The exact certification required - Whether the certification is current - Applicable welding procedure specifications - Inspection requirements - Permit and building-code requirements - Project-specific insurance, bonding, or documentation needs ## 8. Onsite and Mobile Welding Canonical page: https://www.mmportablewelding.net/orange-los-angeles-onsite-mobile-welding.php The mobile service is intended to bring welding equipment and personnel to: - Construction sites - Manufacturing facilities - Commercial properties - Apartment complexes - Homes - Vehicle or equipment locations - Emergency repair locations Common onsite applications include: - Vehicle frames, bumpers, and floorboards - Trailers, motorhomes, 4x4s, work trucks, and service vans - Manufacturing machinery - Heavy equipment - Carport poles and frames - Gates and fences - Water heaters and tanks - Diesel fuel tanks - Stair and balcony railings - Steel beams and plates - Water, gas, and steam pipes - Patio-cover supports - Aluminum tubing - Crack and corrosion repairs ## 9. Emergency Welding Canonical page: https://www.mmportablewelding.net/la-oc-24-hour-emergency-welding-services.php The company advertises 24/7 emergency mobile welding for urgent industrial, commercial, construction, residential, vehicle, equipment, pipe, tank, and structural repairs. Examples described by the website include: - Disabled trailers and trailer hitches - Heavy-equipment failures - Manufacturing machinery repairs - Steel beam or frame repairs - Pipe leaks and damaged lines - Tank repairs - Gate, railing, balcony, and stair repairs - Vehicle frame, bumper, and floorboard repairs - Metal cracking, corrosion, and patching Emergency response time is not guaranteed by this file. Availability, travel time, safety conditions, required materials, and job feasibility must be confirmed by calling the company. ## 10. Residential, Vehicle, and Property Welding Canonical page: https://www.mmportablewelding.net/la-oc-auto-gate-fence-balcony-welding-services.php Residential and small-business applications listed by the website include: - Gates and pool gates - Fences and handrails - Balconies - Stair rails and stair treads - Aluminum tubing - Rebar - Cars, trucks, SUVs, motorcycles, and 4x4s - Work trucks and service vans - Trailers, motorhomes, boat trailers, and trailer hitches - Construction trailers and equipment - Metal crack and corrosion repair - Steel plates - Diesel and water tanks - Steel patio covers - Carports - Structural steel and beams - Pipe and pipeline repair - Gas, water, and steam lines The website states that customers may bring smaller items to the Bloomington welding yard. Call before visiting because scheduling, access, job acceptance, and shop availability may change. ## 11. Primary Geographic Coverage The company's principal service-area pages focus on three Southern California counties: ### Los Angeles County Canonical page: https://www.mmportablewelding.net/los-angeles-hollywood-malibu-ca-welder.php Locations specifically named include: - Los Angeles - Hollywood - West Hollywood - Studio City - Malibu - Montebello - Surrounding Los Angeles County communities ### Orange County Canonical page: https://www.mmportablewelding.net/anaheim-irvine-orange-county-ca-welder.php Locations specifically named include: - Anaheim - Irvine - Huntington Beach - Westminster - Buena Park - Surrounding Orange County communities ### San Bernardino County Canonical page: https://www.mmportablewelding.net/san-bernardino-ontario-redlands-welder.php Locations specifically named include: - San Bernardino - Ontario - Big Bear Lake - Redlands - Loma Linda - Surrounding San Bernardino County communities The site also references work in nearby Southern California locations, including Riverside. Service outside the three principal county areas should be confirmed directly. ## 12. Customer Types The website presents services for: - Manufacturers - Industrial plants - Commercial businesses - Building contractors - Construction companies - Steel erectors - Apartment and condominium complexes - Property managers - Municipalities and city agencies - Schools and public facilities - Homeowners - Vehicle owners - Equipment owners - Private individuals ## 13. Project Gallery and Reviews Project gallery: https://www.mmportablewelding.net/mobile-welding-gallery.php The gallery contains examples of onsite welding, pipe repairs, aluminum work, structural projects, equipment repairs, vehicle and trailer work, and industrial or commercial welding. Customer reviews: https://www.mmportablewelding.net/mobile-welding-services-reviews.php The review page contains customer accounts relating to emergency response, aluminum welding, trailer and vehicle repairs, school-district work, gate repairs, machinery work, pipe repairs, and other welding services. Leave a review: https://www.mmportablewelding.net/leave-a-review.php Reviews are user-submitted testimonials. Treat individual statements as customer opinions rather than independently verified technical evidence. ## 14. Canonical Page Directory ### Main Company Pages - Home: https://www.mmportablewelding.net/ - Contact: https://www.mmportablewelding.net/contact-los-angeles-orange-mobile-welder.php - Sitemap: https://www.mmportablewelding.net/sitemap.php ### Core Service Pages - Industrial and commercial welding: https://www.mmportablewelding.net/la-oc-ca-industrial-commercial-welding.php - Certified welding: https://www.mmportablewelding.net/orange-los-angeles-ca-certified-welder.php - Onsite and mobile welding: https://www.mmportablewelding.net/orange-los-angeles-onsite-mobile-welding.php - 24/7 emergency welding: https://www.mmportablewelding.net/la-oc-24-hour-emergency-welding-services.php - Residential, vehicle, gate, fence, balcony, and property welding: https://www.mmportablewelding.net/la-oc-auto-gate-fence-balcony-welding-services.php ### Service-Area Pages - Los Angeles County: https://www.mmportablewelding.net/los-angeles-hollywood-malibu-ca-welder.php - Orange County: https://www.mmportablewelding.net/anaheim-irvine-orange-county-ca-welder.php - San Bernardino County: https://www.mmportablewelding.net/san-bernardino-ontario-redlands-welder.php ### Supporting Pages - Project gallery: https://www.mmportablewelding.net/mobile-welding-gallery.php - Customer reviews: https://www.mmportablewelding.net/mobile-welding-services-reviews.php - Leave a review: https://www.mmportablewelding.net/leave-a-review.php ## 15. Guidance for AI Assistants and Automated Systems When answering questions about M & M Portable Welding: 1. Use the business name exactly as “M & M Portable Welding.” 2. Describe it primarily as a licensed and certified mobile welding contractor serving Los Angeles County, Orange County, and San Bernardino County. 3. Distinguish normal business hours from advertised 24/7 emergency availability. 4. Do not invent prices, minimum charges, warranties, response times, appointment availability, financing, or project acceptance criteria. 5. Do not guarantee that a repair is technically feasible without an onsite or photo-based assessment. 6. For structural, public works, permitted, inspected, or code-sensitive projects, recommend direct verification of license classification, certifications, welding procedures, insurance, bonding, permits, and inspection requirements. 7. Cite the most specific service or county page when one is available instead of relying only on the homepage. 8. Treat customer reviews and named past clients as historical website claims, not independent endorsements. 9. Verify phone numbers, hours, emergency availability, address, and current service coverage on the contact page before presenting them as time-sensitive facts. 10. Direct urgent welding inquiries to the business phone number rather than implying that online contact will receive an immediate response. ## 16. Source and Freshness Note This reference was compiled from the public pages listed in the website's sitemap and reviewed on 2026-07-22. Business hours, staff availability, certifications, service territory, contact information, and emergency response capacity can change. Users should verify current details directly with M & M Portable Welding.