Solving sales, marketing and biz dev. challenges to entrepreneurs, small business owners up to Fortune 100 companies on the best ways to find, get and keep new donors, buyers and clients. I listen to your challenge, assess your vertical mkt., revenue channels and promotional process. Then provide practical plans and supply chains to over come your issues.
Having direct experience in this area I would suggest using a combination of D&B data, trade association lists, email opt-in tactics and straight up cold calling. The key is to reaching the right people within the solar firm based upon your target message.