Ammon Heisler Sachs architects, Inc. is a full service commercial architectural firm located in downtown Baltimore City. Ammon Heisler Sachs architects, Inc. was founded in September of 2007 by David Ammon, Joseph Heisler and Harold Sachs. In January of 2008 AHSa acquired John A. Ammon + Associates, Inc. When founding John A. Ammon + Associates, Inc. in 1991, John Ammon, formally of Kann & Ammon, Inc. brought 25 years of experience. Our team's design experience encompasses millions of square feet in built facilities and a multitude of feasibility studies. With projects ranging from Research & Technology to Senior Living & Healthcare to Justice, our team's diverse awareness creates a responsive design solution for our clients.