It's a great way to become perceived as an expert in your field. Organize a seminar that could be used by trainers in various markets. Seminars are a great way to reach a lot of people. You might as well share what you know. Create a catalogue.
Most service industries have trade journals.
However, there may not be a catalogue of the supplies, information, or goods needed for those businesses. Someone involved in an industry is a likely candidate to create such a catalogue. As a sole owner who works seven days a week to make ends meet, you may find it difficult to allocate time for changing your business's direction.