Boston has been a global center for education in architecture and urban planning for more than a century, and many students stick around after graduation. For a long time this area boasted the highest per capita concentration of architects in the country, and the city has benefitted from all this local talent over the years.

The firms included here have generally won at least one Harleston Parker medal, or achieved another distinctive milestone. A remarkable number of these have managed to sustain dynamic practices over many decades and through several generations of leadership.