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SGSI Inc provides a full range of commercial services.  We service the greater Phoenix area.  Our team of dedicated professionals have over twenty five years  experience.   Our commitment to our customers is to provide exceptional quality service and products.  We pride ourselves in getting the job done right and on time. 

Our services include: 

• Storefronts
• Curtainwalls
• Tenant Improvements
• All types glass replacement
• Storefront doors, repair and relocation
• 3/8" - 1/2" frameless glass doors and walls
• Windows
• Mirrors
• Glass shelves and tabletops
• Blast and Bullet resistant glass