PSG is strategically located geographically in the south-center region of North America, just outside of Dallas, Texas.  You can click the map below: Language:  English French German Japanese Spanish Start From:  Our Address:  8818 John W. Carpenter Freeway Dallas, TX 75247   Driving Directions Our commitment to customer service has established trust and long term relationships with our clients. Please click below to learn more.   Please click here to contact a project engineer.