I've used them twice now, and like I said, I've pretty much told anyone I know that might want a carpet cleaner about them. I had a referral, my son and his wife have used them, and Naturewise Chem-Dry knows that. I've had Martin, and he's very nice, and professional but friendly, and seems very knowledgeable. That's one reason I trust them, and I also really liked the way the carpets turned out. It was the best carpet cleaning I've ever had. That's why I had them back again this year. I've talked to Paula a couple of times, too, and she's very knowledgeable and nice. I like their overall friendliness, you don't feel like they're just trying to get your money. They treat you like a customer and do a very good job. I have a dog, and Martin has explained what they do, and goes around the house looking for stains. Very through and very professional.