400 Congress St suite 300

400 Congress St suite 300 is an event venue in Portland, ME, at 400 Congress Street #suite 300, Portland, ME 04101. There are 4 upcoming events listed, starting Tue, Sep 1, 2026. Tickets are sold on the source platform — every listing links straight to it.

Tue, Sep 1 · 9:00 AM

Confirmed PMP 4 Days Classroom Training in Leeds, ME

400 Congress St suite 300

$1599 +

Wed, Sep 2 · 10:00 AM

Agile Certification PMI-ACP® Course Classroom Training in Lee's Summit, MO

400 Congress St suite 300

$1599 +

Tue, Sep 8 · 10:00 AM

Business Analytics Certification (CBAP) Training in Leeds, ME

400 Congress St suite 300

$2132.72 +

Sat, Sep 19 · 9:00 AM

CEH Certification Weekend Training Course in Leeds, ME

400 Congress St suite 300

$2999 +