Sivensa S.A.
Sivensa is a Venezuelan corporation engaged in the manufacture of long steel products for the construction, manufacturing and infrastructure industries, and of high-quality iron briquettes for the steel industry, worldwide. Through continued investm
Introduction
Sivensa is a Venezuelan corporation engaged in the manufacture of long steel products for the construction, manufacturing and infrastructure industries, and of high-quality iron briquettes for the steel industry, worldwide. Through continued investm...
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Callahan Company was founded in August of 1958 by James B. Callahan, Sr. Over the years, the company has grown to its present size of $100+ million in annual revenue. Family owned and operated since inception, the company services virtually every cheFor over 30 years our company is engaged with the industrial area for flame ignition and flame monitoring.
Engineering and consulting services world-wide in the fields of Energy, Hydropower and Water Resources as well as Transportation Infrastructure since more than 40 years.