
St. Thomas, U.S. Virgin Islands
Construction materials testing, consulting, and specialty inspection
Materials Testing Services Virgin Islands combines technical consulting, field testing, laboratory testing, and specialty monitoring. MTSVI's role is to investigate, advise, test, and document — providing clients with reliable technical information throughout the construction process.
Investigate
Examine site, subsurface, and material conditions.
Advise
Provide technical guidance based on what the work shows.
Test
Perform field and laboratory testing on project materials.
Document
Record and report results for the project team.
Who We Are
Materials testing, consulting, and inspection for the U.S. Virgin Islands
Backed by more than 35 years of combined construction-industry experience, MTSVI combines local established presence in the U.S. Virgin Islands with extensive materials-testing, inspection, and technical knowledge. Our work is guided by a commitment to client satisfaction, dependable service, and quality control.
MTSVI works with government agencies, engineers, architects, contractors, developers, property owners, and institutional clients in the United States Virgin Islands.

Service Area
Our office
St. Thomas Office
28 1-1 Estate Charlotte Amalie
St. Thomas, VI 00802
Phone: 504-224-8711
Email: wwilliams@mtsvi.com
Business Hours: 8am-4pm AST
Service Area
MTSVI provides materials testing, consulting, laboratory, and specialty inspection services throughout the United States Virgin Islands.
- St. Thomas
- St. Croix
- St. John
- Water Island
Based in St. Thomas. Serving projects across the territory.
Have a project coming up?
Contact MTSVI to discuss your site, schedule, testing requirements, and how our team can support your project.