Since 1979, Mars Metal Company™ has provided custom lead products through three divisions: Mars Metal Specialty Casting™, MarsKeel Technology™ and MarShield™.

Ontario
Joined October 2010
Different industries, same standard: precise, repeatable loads. Our test weights cut setup time and keep certification testing consistent. See how we build test weights for your industry: bit.ly/3BRwPux #TestWeights #Elevators #AerospaceTesting #CraneAndHoist
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Sheet lead shipped in 48 hours. Our stock of over 70 tons is waiting for your project. Get it today: bit.ly/3B2uFZf #SheetLead #LeadShielding #LeadFabrication
We're heading to the Best Defence Conference, October 20–21. Connect with Mars Metal for durable, custom defence components made right in Canada and backed by our Controlled Goods Program registration: bit.ly/3B2uFZf #BestDefence #DefenceManufacturing #MarsMetal
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When Canada builds ships, the impact reaches well beyond the shipyard.Mars Metal is proud to supply marine ballast made with Canadian materials and Canadian labour, helping build a stronger, more self-reliant supply chain for the Royal Canadian Navy.#CanadianManufacturing
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Last week, Irving Shipbuilding brought together 35 suppliers for its 3rd Annual Supplier and Awards Day. Mars Metal was proud to be in the room. Thank you to Irving Shipbuilding for the invitation and for investing in a strong Canadian supplier network. #CanadianShipbuilding
Did you catch us at DEFSEC Atlantic? Kevin Milne and Bill Souter walked the show last week, catching up with customers and meeting new supply chain partners. Thank you to the DEFSEC Atlantic organizers and to everyone who took the time to talk with us. #DEFSECAtlantic
We're heading to Irving Shipbuilding's Supplier and Awards Day on October 9. We're proud to partner with Irving to supply ballast for the Royal Canadian Navy's River-class destroyer program: bit.ly/4iolcP7 #IrvingShipbuilding #NavalShips #MarsKeel
We're headed to DEFSEC Atlantic 2026 from October 6–8 in Halifax. We're bringing ISO 9001 and CSA N299.3-16 certification and full material traceability. Let's connect at the show: bit.ly/3B2uFZf #DEFSECAtlantic #NavalShips #Ballasts #MarsKeel
What makes Mars Metal a primary supplier to the defence sector? 45 years in manufacturing. Registered under the Controlled Goods Program. In-house design and casting. Partner with an established defence manufacturer: bit.ly/3B2uFZf #CanadianDefence #Shipbuilding
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Stop wasting site time setting up test weights. Mars Metal pours heavy-duty test weights that hit exact specs during critical performance testing. Get test weights for your industry: bit.ly/3BRwPux #TestWeights #ElevatorTesting
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One company. Three divisions. Built for defence supply chains: -Precision metal fabrication and machining -High density lead ballast weights -Custom assemblies -Custom radiation shielding See how Mars is built for defence: bit.ly/4tVf3vT #DefenseSupplyChain
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We don't settle for basic standards. Neither should you. Our parts are built under: -ISO 9001:2015 -CSA N299.3-16 -Controlled Goods Program Talk to us about certified lead solutions: bit.ly/3B2uFZf #LeadFabrication
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45 years in heavy manufacturing has cemented our position as a primary supplier to the defence sector. Mars Metal handles the full lifecycle under one roof. Contact our engineering team today: bit.ly/3B2uFZf #Shipbuilding #BallastSystems
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We stock over 70 tons of sheet lead in-house, available for immediate dispatch. Need material fast? We ship within 48 hours. Most standard orders leave the same day. Check our in-stock sizes: bit.ly/49OTh3b #SheetLead #LeadShielding
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Your elevator test date is set. Are the weights ready?Mars Metal elevator test carts are ready to ship now. Over 100 in stock, ready to ship anywhere in the US or Canada within 48 hours. Send us the requirements and we’ll work to your timeline: bit.ly/3B2uFZf
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Standard metals fail under extreme pressure and exposure. Mars Metal manufactures heavy-duty lead components that withstand whatever is thrown at them. See how our parts are engineered for critical applications: bit.ly/4pFUNOs #LeadManufacturing
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100% Canadian lead ballast castings up to 100,000 lbs, approved for Defence supply chains. Mars Metal is certified under the Controlled Goods Program. 45 years of design, manufacturing, and dependability. See our capabilities: bit.ly/4tVf3vT #DefenceShipbuilding
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Off-the-shelf lead fails under extreme stress. Mars Metal manufactures lead solutions for demanding environments that hold up where standard parts fail. See how we engineer lead components for the harshest applications: bit.ly/4pFUNOs #LeadMachining
National shipbuilding demands a secure domestic supply chain. Marswell Metal Industries is proud to be featured by Irving Shipbuilding as a key partner supporting Canada’s River-class destroyers with custom lead casting solutions. See our impact: bit.ly/4fakLof
Cory Aitken represented Mars Metal at the CECA Convention last week. Need test weight carts fast? Mars Metal has in-stock carts ready to ship across Canada and the U.S. to ensure you hit your timeline: bit.ly/3B2uFZf #CECA2026