Skip to main content

Group Main Stream Incorporated

Westbrook, MEEIN: 01-0371245Website

Data sourced from IRS 990 public filings

Group Main Stream Incorporated The Agency provides a residential setting to assist adults with developmental disabilities to accomplish and maintain their highest attainable living skills and to improve their quality of life by supporting independence.The Agency owns and operates 8 group homes in Portland, Maine. The Agency also rents a house and apartments in the greater Portland, Maine area to provide supported living programs for its consumers.

Local (City/County Level)
Direct Service Delivery
People with Disabilities
Disability Services
Housing & Homelessness

Annual Revenue

$13,134,402

Known Funders

1

Grants Received

1

Financial History

YearRevenueExpensesAssets
2023$13,134,402$12,874,687$7,690,965
2022$12,963,783$12,311,674$7,395,654
2021$14,953,844$12,550,972$5,966,697
2020$12,271,030$11,636,445$5,117,490
2019$11,811,912$11,483,774$4,712,960
2018$10,572,440$9,977,971$3,168,003
2017$8,525,980$8,324,232$2,692,464
2016$7,171,533$7,253,925$2,472,863

Top Funders

Unknown foundation
$33 (2023)

Key Personnel

From 2023 IRS 990 filing

K

Katlyn Davidson

Vice President

Officer
M

Mary Arnold

Treasurer

Officer
M

Mona Hilborn

Secretary

Officer
J

Jeff Bryan

Director

H

Harrison Deah

Director

S

Sally Serunian

Director

A

Ann-Marie Mayberry

Executive Director

Officer
M

Marie Gray

President

Officer
K

Katlyn Davidson

Vice President

Officer
M

Mary Arnold

Treasurer

Officer

Showing 10 of 15 key personnel.

Frequently Asked Questions

Other Nonprofits in Maine

All nonprofits in Maine

Unlock Full Nonprofit Data

Sign up for free to access the complete funder list, financial history, program details, key personnel, and smart matching.

Unlock full data & AI matching Sign up free