Geotechnical Reporting | Call PG Environmental Services At 631-901-1888 Today! When building a design project, site surveys are mainly aimed at giving detailed information on the water conditions, subsurface soil, and rocks. Our geotechnical engineers help in interpreting the information on the site investigations resulting in construction and design recommendations that are presented in the geotechnical report issued. PG Environmental Services, Inc 175 Commerce Drive Suite N Hauppauge, NY 11788, United States (631) 901-1888 https://mgyb.co/s/akZrr