Tolunay-Wong Engineers, Inc. Share: Engineering, Geotechnical Tolunay-Wong Engineers, Inc. Visit Website 10710 S. Sam Houston Pkwy. W., Ste. 100 Houston, TX 77031 (713) 722-7064 (713) 722-0319 (fax) Hours: Monday - Friday (8:00 a.m. - 5:00 p.m.) About Map About We are a full-service geosciences consulting firm providing Geotechnical Engineering, Environmental Field Services, Construction Materials Testing, Deep Foundations Testing, and Geophysical Services. What's Nearby? Distance: 5 10 15 20 25 50 mi.