Engineers Geotechnical Soils locations near Portland, OR

PNG Environmental Inc

📍 6665 Sw Hampton St, Portland, OR, 97223

📞 503-620-2387

🌐 pngenv.com

PSI Inc

📍 6032 N Cutter Cir Ste 480, Portland, OR, 97217

📞 503-289-1778

🌐 www.psiusa.com

Nationwide company specializing in geotechnical and environmental engineering, contract drilling services, special inspection and testing, product testing.