Sealand Mechanical, LLC is a locally owned and operated business based in Houma, Louisiana. Founded in 1985, Sealand has grown from a small company with big dreams to a major, multifaceted, mechanical contractor serving the entire Gulf South. From offshore service vessels to supermarkets, convenience stores and restaurants, Sealand Mechanical offers a complete spectrum of heating, cooling, refrigeration and food-service system installations backed by the best products in the industry.