SGS Alliance is a national appointment setting firm specializing in lead generation for skilled trades and facility maintenance services. We connect high-intent commercial prospects with HVAC, plumbing, electrical, and building service providers through precision outreach and conversion-optimized campaigns. Our team delivers qualified appointments that drive revenue for service contractors, facility vendors, and B2B maintenance providers across the U.S. With a focus on caller-safe strategies, branded calling, and campaign integrity, SGS Alliance helps clients scale efficiently without sacrificing trust or compliance