N.V. Suriname Earth Moving Contractors (SEMC) is an earth moving company that was established in 1991.

Eric van Ravenswaay, the owner and managing director, started Suriname Earth Moving Contractors as a small business in 1991 with only three Hitachi excavators, one Bulldozer and twelve employees. and has, Since then SEMC has grown to become the largest local Earthmoving contracting company in Suriname. Now, 20 years later, it has grown to a workforce of more than 450 employees!

SEMC mainly concentrated its activities on the mining sector which at that time, showed some new opportunities at the horizon. In the gold sector Golden Star Resources at Gross Rosebel and Lawa Antino was starting to show a lot of promise. And in the Bauxite mining sector, mainly dominated by Billiton and Suralco, SEMC had also established itself as a reliable contracting company for heavy equipment.