Long Island Tinsmith Supply Corp (LITSCO) commercial construction.

Working smart saves money.

Since 1918, LITSCO has lived by this philosophy as manufacturers and distributors of quality sheet metal, roofing, and waterproofing products for the commercial construction industry.

Our three-generation commitment to helping contractors and architects "work smart" has made us an industry leader in the New York Metro area and throughout the country.

Whether you are a roofing or waterproofing contractor installing the latest commercial roofing or waterproofing systems,

Or a sheet metal installer looking for flat sheets or expert fabrication,

Or an architect looking for creative, efficient and aesthetic solutions for your clients,

LITSCO will help you meet your construction challenges whether Fabrication or Distribution anywhere in the U.S.

How we do it.

Personalized Customer Service &
Support to help you meet your project requirements in the most effective and efficient way.

Experienced and dedicated management that is accessible to every customer.

High quality roofing, waterproofing and sheet metal products for commercial construction projects.

Manufacture of exclusive sheet metal systems and distribution of construction materials that meet strict specifications and custom project needs.

Special Services for customers outside of our immediate geographic location.

Expertise and Craftsmanship to complement the experience of contractors and architects.

Track Record of successful completions for major customers.