Robert Singer & Associates | design consultants + lighting specialists Robert Singer and Associates, Inc., established in 1981, is an award winning lighting design firm specializing in high end commercial and residential projects throughout the world. RSA’s base office is in Aspen, Colorado with a branch office in Scottsdale, Arizona. RSA’s projects have been published in several magazines and books. Robert Singer & Associates is a member of IALD, US Green Building Council and is also a LEED Certified company. For the past 32 years, Robert Singer and Associates has acquired an extensive portfolio of projects covering a wide range of design styles for both residential and commercial environments.