Headquartered in Houston, Texas, GSD has served the industrial sector through out the United States and around the world for ... over a quarter of a century. Through this time providing a variety of industrial services ranging from demolition and decommissioning, to marine construction, industrial scrap management and environmental services. Since 1986, GSD has established itself as an industry leader in safety, ensuring our clients and employees are always well protected in the demanding environments of our project sites. Our technical expertise, attention to detail, and a clear understanding of environmental health and safety regulations allow GSD to provide excellent protection for your personnel and property. GSD offers Contract Management, Pre-Project design and budgeting, Contractor & Bid Review, On-Site Project Management, Equipment Rigging, Equipment Moving & Relocation, Marine/Dismantling, Conventional Marine, Controlled Structural Collapse, Emergency Response Services, Scrap Metal Buyer, and Ferrous and Non-Ferrous processing. read more