M & M Welding & Fabricators

M&M Welding and Fabricators, Inc. is a leading mechanical contractor that has been delivering top-notch services to clients in Maryland, Virginia, and Washington D.C. for over half a century. Established in 1972, the company has been owned and operated by Ms. Carey M. Dove, President/CEO, and has been a Women-Owned, MBE Certified Contractor since its inception. With a strong commitment to quality, safety, and innovation, M&M Welding and Fabricators, Inc. has become a trusted name in the industry.

Our Services: A Comprehensive Range of Mechanical Solutions

M&M Welding and Fabricators, Inc. offers a complete range of mechanical contracting services, from design and fabrication to installation, maintenance, and repair. Our services include:

• Boilers & Burners: Our boiler and burner services include installations, repairs, replacement, re-tubes, conversions, control system repairs/upgrades, and rentals. We have experience working with heating units ranging from 200,000 pounds per hour to 100 HP multi-residential units.
• Cooling Towers: We offer installations, repairs, and replacements for cooling towers of all sizes and types. Whether you need a new cooling tower or repairs to an existing one, our team of experts can provide the solutions you need.
• Underground Piping: Our underground piping services include direct-buried steam, heating water, and chilled water installations. We have the expertise and equipment to handle any underground piping project, no matter how big or small.
• Chillers: We offer a range of chiller services, including installations, repairs, and replacements. From 5,000-ton units to multi-family cooling units, we have the knowledge and experience to deliver the results you need.
• Commercial HVAC: Our commercial HVAC services include installations, maintenance, rentals, repairs, and retrofits. We have experience working with a range of commercial HVAC systems, and can provide the solutions you need to keep your business comfortable all year round.
• Fire Protection: We offer installations, repairs, and replacements of dry and wet fire sprinkler systems. Our fire protection services ensure that your business is safe and compliant with all fire codes and regulations.
• Welding/Metal Fabrication: We offer a range of welding and metal fabrication services, including catwalks, grating, ladders, handrails, platforms, staircases, and more. Our experienced welders and fabricators can bring your vision to life.
• Additional Specialties: We also offer a range of additional specialties, including in-house HVAC insulation division, refractory and brickwork, preventative maintenance contracts, rental boilers, pumps, and more.

Our Team: A Group of Skilled and Experienced Professionals

At M&M Welding and Fabricators, Inc., we have a team of highly skilled and experienced professionals who are dedicated to delivering the best possible results for our clients. From our welders and fabricators to our engineers and project managers, we have the expertise and knowledge to handle any project.

Our Affiliations: A Network of Industry Partners

We are proud to be affiliated with a range of industry organizations and associations, including the American Society of Mechanical Engineers (ASME) and the National Board of Boiler and Pressure Vessel Inspectors (NBBPVI). We hold the following Certificates of Authorization from these organizations:

• "R" Repair Stamp
• "PP" Pressure Piping
• "H" Heating Boilers
• "S" Assembly of Power Boilers
• "U" Pressure Vessels

Additionally, we hold minority certifications from MDOT MBE (Female-Owned): 03-386, WBENC WBE: WBE2102896, MWAA LDBE (SLBE): LB20260918, and WOSB SBA.