National Petrographic Service, Inc. (NPS) is an independent materials preparation and evaluation laboratory of industry leading material specialist and technicians. We specialize in the preparation of thin and polished sections for petrographic study for multiple industries. Our in-house laboratory and network of material evaluation experts provide reports and studies for government and environmental agencies, university programs, concrete and materials research, engineering, petroleum exploration and production companies, and research and development departments.

National Petrographic Service, Inc.
5933 Bellaire Blvd., Suite 108
Houston, TX 77081
Toll Free: 1.877.598.4849
Fax: 713.661.0625