A partial list of Massachusetts efforts to develop and produce new theatre works:
Companies who are mission-committed to producing new works for the stage:
Boston Playwrights Theatre
Flat Earth Theatre
Fresh Ink Theatre
Gloucester Stage Company
Guerilla Opera
Liars and Believers
OWI (Bureau of Theatre)
Queer Soup Theater
Sleeping Weazel
SpeakEasy Stage Company (Boston premieres)
WAM Theatre
Companies with new play development programs:
Berkshire Playwrights Lab
Central Square Theater
Company One
Huntington Theatre Company
New play festivals:
Boston Theater Marathon
Huntington Theatre Breaking Ground Festival
Ko Festival of Performance
Of note:
Many member theatres of the Small Theatre Alliance of Boston frequently produce new plays.
The New England New Play Alliance promotes new work by New England playwrights.
This page offers only a partial view of the new play scene in MA. Feel free to fill out the picture in the comments section.