Energy expert and entrepreneur Michael Fallquist has brought sustainable energy solutions to communities across the country for much of his career. While he started his career in energy working for a company with a traditional business model, he quickly came to understand a different kind of power—the power of network marketing.

Today, direct selling fields are disparate groups defined internally by the cultures, brands and messaging of the companies they represent. They are always evolving and always a challenge. Productive field engagement takes hard work and diligence on the part of companies, as well as a good measure of finesse when marketplace challenges dictate change.

We comprised a list of the most successful of fledgling companies—the ones to watch. We snapshot a few of their stories here. To qualify, each company must be five years old or younger and have verifiable monthly sales surpassing the $1 Million mark.