McGraw-Hill Companies impressive four-story (LEED) building on the Mississippi River waterfront is a notable Dubuque modern structure. This state-of the-art office building houses over 300 employees. Lifeline Audio Video Technologies implemented all of the A/V integration throughout the office building when it was built. The technology included: An Atlas 360-speaker noise masking system for open office cubicle spaces. This Atlas noise masking system is arguably the largest in the Midwest. The Executive Conference Room has a large flat panel TV and a wireless Crestron control system for the Bi-Amp/Nexia/Revo Labs wireless telephone conferencing system. Motorized floor to ceiling shades and lighting controls complete this top floor space overlooking the Mississippi River. Several conference rooms and training areas have AV systems continually upgraded by Lifeline over time. The cafeteria is an easy to operate Bose sound system. Lifeline installed two-dozen flat-panel screens and a digital signage distribution system for messaging and cable TV.