January 30, 2023
Soil/Rock Nailed Slopes at St. Eustatius, Dutch Caribbean
January 30, 2023
Dominica 7MW Geothermal Plant
January 30, 2023
Cruise Ship Pier Expansion, St, John’s Bay, Antigua, W.I.
January 30, 2023
Photovoltaic Solar Farm at PR-763
January 30, 2023
Canarico Quarry, Juana Diaz, Puerto Rico
January 30, 2023
WICO Long Bay Landing Project, St. Thomas, U.S. Virgin Island
January 13, 2023
Drill Rigs & Equipment
August 31, 2022
Geophysical Testing
July 25, 2022
Improvements to PR-2 (La Vita), Mayaguez, PR
July 25, 2022
Patillas Dam
July 25, 2022
United States Coast Guard Station, Ponce, PR
July 25, 2022
Electrical Resistivity Test
March 25, 2020
Geotechnical Engineering
Our staff combines local and international experience that work hard on…
March 22, 2020
Soil and Construction Material Testing
Our construction material testing laboratory has been in operation since 1967.…
March 20, 2020
Environmental Drilling
Jaca & Sierra Engineering, PSC (J&S) has an environmental drilling division…

















