Powell and sons is NOT an actual company providing services mentioned on their website. They will only pass your information along to tons of other businesses so that they can contact you in order to try to sell YOU their services.
As soon as you enter your information, you will be bombarded by calls, texts, and emails soliciting services to you. If you don't want this to happen, DON'T enter your info into their website. You can read their privacy policy, which will explain that they will collect your information and give it to other businesses.
They are most likely profiting from selling your information to these third parties, and making money from affiliate marketing. They are not in the business to provide services, but to market the services of others.
I personally feel that what they're doing is dishonest and a bad business practice, which is why I'm rating them only one star. However, what they are doing is technically legal. This is why it is always best to research a company and read their Terms of Service and Privacy Policy before taking any action.