According to this article by MarketingProfs, it is still one of the best ways to reach customers and find new ones. This article looks at 18 industries including apparel, auto, B2B, beauty, consumer services, education, employment/job training, finance/insurance, fitness, home improvement, healthcare, industrial services, legal, real estate, retail, technology, and travel/hospitality. It provides some valuable information that I hope you can apply to your small to medium size businesses. Enjoy!