Synacor Inc . , the trusted multiscreen technology and monetization partner for video, internet and communications providers, device manufacturers, and enterprises, today announced a multiyear agreement with Grande Communications , the Texas-based broadband communications company offering a full suite of internet, TV and phone services to residential and business customers, that includes Synacor's Next-Gen Portal, Cloud ID TV Everywhere Authentication, and our Search & Discovery Metadata platform for multiplatform TV.