| #1Global Empire Corporation | Healthcare, finance, customer support, back office | Healthcare providers, insurance firms, financial services, SMBs & mid-market |
| #2Intelemark | B2B appointment setting & lead generation | SaaS, technology, manufacturing, professional services |
| #3Call Motivated Sellers | Real estate outbound calling | Real estate investors, wholesalers, acquisition teams |
| #4Customer Communications Corp | Home-based omnichannel customer support | Retail, ecommerce, healthcare, technology, telecom, travel |
| #5Call Center Staffing | Rapid agent deployment & seasonal scaling | Retail, ecommerce, customer support teams |
| #6B2B Appointment Setting | SMB outbound sales & pipeline growth | Small and mid-sized B2B companies |
| #7Contact Center USA | US-based call center services | Healthcare, financial services, insurance, retail, technology |
| #8Call Center Communications | Call center brokerage and provider matching | Healthcare, banking, insurance, retail, ecommerce, telecom, travel |
| #9Business Process Outsourcing | Customer support and back-office outsourcing | Retail, finance, healthcare, technology |
| #10Canada Contact Centre | Enterprise contact center and customer experience outsourcing | Finance, telecommunications, healthcare, retail, ecommerce, logistics |
| #11B2B Telemarketing | Call center and business process outsourcing | Healthcare, finance, insurance, retail, technology, real estate |
| #12Telemarketing Services | Call center and business process outsourcing | Healthcare, finance, insurance, retail, technology, real estate |
| #13Appointment Setting | Digital-first outsourcing | Healthcare, BFSI, manufacturing |
| #14Teleperformance | Global customer experience and digital business services | Retail, financial services, healthcare, technology, telecom |
| #15Concentrix | Technology-enabled customer experience services | Healthcare, insurance, financial services, technology, travel |