Consumers continued to trust and use the various resources offered by Better Business Bureau (BBB) in 2017. BBB Serving Central, Northern and Western Arizona received more than 3.8 million requests for business reports on Arizona companies, processed more than 16,800 complaints, and received 28,800 customer reviews last year. To help consumers make smart marketplace decisions, BBB names the top five most complained, inquired and reviewed industries of 2017 for Arizona.Top Five Most Complained About Industries of 2017:New Car Dealers (694 complaints)Truck Rentals (684 complaints)Sanitation Consultants (673 complaints)Used Car Dealers (535 complaints)Web Hosting (466 complaints)Changes to Note: New to the list is sanitation consultants covering waste management services that failed to service paid accounts or did a poor job. Top Five Most Inquired About Industries of 2017:Air Conditioning Contractors (164,018 inquiries) Roofing Contractors (93,820 inquiries)General Contractors (85,097 inquiries)Home Electronics (78,614 inquiries)Plumbers (71,614 inquiries)Changes to Note: New to the list is home electronics, generated primarily by an online business offering items such as TVs, DVD players, cameras, etc.Top Five Most Reviewed Industries of 2017:Air Conditioning Contractors (4,388 reviews)Plumbers (1,626 reviews)Used Cars Dealers (1,133 reviews)Property Management (812 reviews)New Car Dealers (602 reviews)Changes to Note: Back on the list are new car dealers after being kicked off last year. When considering a company in any industry, take time to check out their BBB Business Profile at bbb.org.