MarketSource is a United States-based company operating in the Business Services industry, specifically focusing on Advertising & Marketing, Management Consulting, and Outsourcing. Founded in 1975, the company employs between 5,001 and 10,000 individuals and reported revenue of approximately $1.93 billion. MarketSource specializes in providing managed sales solutions, particularly for small- and mid-sized businesses (SMBs). A case study highlights their collaboration with a global communications supplier that faced challenges in effectively selling complex technology solutions to SMBs. MarketSource assembled a specialized sales ecosystem, including field sales professionals and business development experts, to enhance market penetration and support for the SMB segment. This approach resulted in significant sales growth, generating over $50 million in annual revenue for the client and improving year-over-year sales by 35%. The company's expertise lies in creating tailored sales strategies that address specific market needs, particularly in the technology sector, thereby facilitating better customer engagement and service delivery.