The City of Scottsdale cannot provide referrals for professional services, but the professional organizations that license and/or govern the professions often have referral services.
For architects, the American Institue of Architects has an online referral service at www.aia.org/architect_finder. Architectural designers are not licensed or tested so they have no governing/organizational board to register with for us to refer clients to.
For structural engineers, the Arizona branch of the Structural Engineer's Association has a list of engineers who will do smaller projects. www.seaoa.org -- Scroll down the column on the left & click on "Small Project List"
Contractors should be registered with the state Registrar of Contractors, and clients can check with the Better Business Bureau for more information, but there is no overall organization that has a referral service. Two resources that may be helpful are:
For professionals that have recieved certification to participate in the city's Green Building Program, refer to the following: