About Us Serious Injuries Require Serious Lawyers. Alvine & King in Sioux Falls, SD is dedicated to providing excellent legal representation with a primary focus on personal injury cases. Grant Alvine and David King are experienced, aggressive lawyers who will represent you in court to maximize your claim. We do not represent insurance companies, we represent you! Areas of practice include: • Personal injury • Dog bites • Workers’ compensation • Social Security claims • Head, neck and back injuries • Vehicle accidents We also handle criminal defense cases. Alvine & King Personal Injury Law Center helps clients throughout the state of South Dakota. Call Alvine & King today and we'll discuss your injury, in terms you can understand.