TrendSource, Inc. is a compliance management and market research firm founded in 1989. Originally known as "Mystery Shoppers, Inc.," the company rebranded to TrendSource in 1999 and is headquartered in San Diego, California. With approximately 175–187 employees, TrendSource serves a diverse range of industries, including retail, healthcare, finance, government, and employment. The company offers a variety of services, including compliance audits, employment compliance verifications, field inspections, and market research. TrendSource utilizes a network of over 300,000 Independent Field Agents