Cable Bridge

Jennifer and Eric Aronson Beth Dill & Eric Enge Eastern Bank Charitable Foundation Michael and Manisha Eckton Lisa Gordon & John Treadway Ellen and Kalman Heller The Kaitz Family of National Lumber Joseph Savage Rob Sherman & Joan Lenington Ellie Starr Tao Jones Charitable Foundation, Joseph Deitch Winthrop Wealth Management Joyce Zakim & Peter Greenspan

Bowstring Bridge

The Arbella Insurance Foundation Frieze Family Foundation Jamie Golden Timothy Harder Income Research + Management Mark and Susan Irvings John and Sonia Lingos Family Foundation The Estate of Charlotte Kaitz The Krupp Foundation & Douglas and Judith Krupp Mr. Owl Foundation The Prospect Fund Bobby and Elaine Sager Santander Bank N.A. Amy and Robert Weinberg

Cantilever Bridge

American Tower Corporation Cornerstone Charitable Foundation, Bank of America, N.A., Trustee Cummings Foundation, Inc. The Fish Family Foundation Josephine and Louise Crane Foundation Suzan Kaitz & Jonathan Katz Glenn and Susan Rothman

Leonard P. Zakim Bunker Hill Bridge

Anonymous Barr Foundation The Hyams Foundation The James Fox Charitable Fund Caren Keller & David Boonshoft The Klarman Family Foundation Krupp Family Foundation Temple B’Nai Israel