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Mas-Con Corporation describes its work as commercial masonry and concrete construction, ranging from large-scale construction to small, customized projects. The company says it has been in business for 43 years. swensongranite.com describes it as a contractor based in Laconia, New Hampshire.
“As part of a project led by Laconia, NH-based contractor Mas-Con Corporation , Swenson’s Caledonia granite wall caps were installed over the sitting wall outside of the library.”
“We spoke to several companies, including Mas-Con Corporation, who helped us look into a brick veneer. Unfortunately the cost was exorbitant.”
“the grandstands and stone press box – the last of which provided by Mas-Con Corporation of Laconia”
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1 change recorded — last scanned Oct 18, 2026.