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General Info
Since 1998, USI has built an alliance of building professionals 1,900 strong, united by the resources and reach of one nationwide company. Our solutions are the backbone of residential and commercial projects coast to coast. Across many communities and specialties, we are guided by a shared commitment to reliability, value and performance standards — the kind homeowners and builders alike have come to trust with no reservations.
USI offers insulation installation and specialty home improvement services, including batt insulation, blown-in insulation, spray foam insulation, sound attenuation, air sealing, radiant barrier, windows and storefronts, garage doors, fireplaces, firestop, fireproofing, and more.

United Subcontractors, Inc.

All Purpose Windows & Doors
Payment method
amex, check, debit, discover, master card, visa
Insulation Materials, Industrial Equipment & Supplies, Insulation Contractors, Vinyl Windows & Doors, Windows-Repair, Replacement & Installation


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Stephen C.



Grainger does not allow their customers contact their local branches. They rejected an order of mine that I placed in their store, they never called me to tell me that they could not fulfill my order, and they have not refunded my money. Their customer service rep said I have to return to the store to find out why they have rejected my order, no person can help me or answer my questions. TOTAL BS