| 2016 | IESNYC | Award of Excellence | Tillotson Design Associates + Suzan Tillotson, Ellen Sears, David Burya | Lincoln Square Synagogue | |
| 2014 | IESNYC | Award of Merit | Tillotson Design Associates + Suzan Tillotson, Ellen Sears, Mitul Parekh, and Kate Nelson | Yonkers Casino | |
| 2013 | IESNYC | Award of Excellence | Tillotson Design Associates + Suzan Tillotson, Erin DeVries, and Megan Pfeffer | East River Waterfront Pier 15 and Esplanade New York, NY | |
| 2019 | IESNYC | Award of Merit | Tillotson Design Associates + Suzan Tillotson, Erin Dreyfous, and Megan Trimarchi | Nicollet Mall | |
| 2019 | IESNYC | Award of Merit | Tillotson Design Associates + Suzan Tillotson, Erin Dreyfous, and Megan Trimarchi | The Four Seasons Restaurant | |
| 2016 | IESNYC | Award of Merit | Tillotson Design Associates + Suzan Tillotson, Erin Dreyfous, Megan Pfeffer Trimarchi | The Broad | |
| 2018 | IESNYC | Award of Merit | Tillotson Design Associates + Suzan Tillotson, Erin Dreyfous, Scott Baillie-Hinojosa, and Christopher Cheap | The Roy and Diana Vagelos Education Center | |
| 2009 | IESNYC | Lumen Feltman Award of Excellence | Tillotson Design Associates + Suzan Tillotson, Leslie Stelly, Christopher Cheap | Vera Wang New York Flagship Store | |
| 2010 | IESNYC | Award of Merit | Tillotson Design Associates + Suzan Tillotson, Mark Kubicki, and Yoshimi Sato | The Wright | |
| 2017 | IESNYC | Citation for Transformation of a Space Through Lighting | Tillotson Design Associates + Suzan Tillotson, Mitul Parekh, and Shan Jiang | 599 Lexington Avenue Ground Floor Upgrades | |
