Schenectady Manufacturers Coatings 2750 Balltown Rd SI Group (Schenectady International) Global High-Tech World-class Chemical Manufacturer Delivering Chemical Intermediates Worldwide. SI Group is a global producer of alkylphenols, phenolic resins for coatings and adhesives. Schenectady NY Manufacturers Coatings Schenectady International www.siigroup.com SI Group High-Tech Manufacturing Chemical Intermediates globally REACH Read More Product Highlights Safety alkylphenols phenolic resins and other chemical intermediates. SI Group High-Tech Manufacturing Chemical Intermediates globally REACH Read More Product Highlights Safety alkylphenols phenolic resins and other chemical intermediates. Business Reviews Schenectady International Testimonials