Chesapeake Audubon Society
- Environmental science education, field trips, and habitat conservation.
- http://www.chesapeakeaudubon.org/

Lucky Cat Rescue, Inc.
- Dedicated and committed to promoting pet spay and neuter. Concentrates on spaying and neutering feral cat colonies and the rescue and socialization of kittens. Includes pictures and donation wish list.
- http://www.luckycatrescue.com/

The Baltimore Society for Paranormal Research
- BSPR is dedicated to the serious research of paranormal phenomena in and around the Baltimore area. Specifically ghosts and hauntings.
- http://bsprnet.com/

Play Keepers
- Provides supervised before and after school child care. Center locations, activities and FAQ.
- http://www.playkeepers.com/

Baltimore Area Association for Supportive Housing (BAASH)
- Coalition of housing providers for the homeless and disenfranchised within the metro area. Listed are the participating agencies.
- http://baash.net/

Blacksmith Guild of Central Maryland (BGCM)
- A non-profit, educational corporation dedicated to preserving and promoting the art and craft of hand forging iron.
- http://bgcmonline.com/

Fishy
- A Baltimore Metro information database for women, families, and artists on local events, attractions and businesses.
- http://www.xixstar.com/fishy/

YMCA of Central Maryland
- Dedicated to developing the full potential of every individual through programs that build healthy spirit, mind and body. Find programs, locations, news, events and volunteer information.
- http://www.ymcamd.org/

Baltimore Area Council, Boy Scouts of America
- Scouting organization for the region. Includes calendar, newsletter, and district, training and contact information
- http://www.doubleknot.com/openrosters/view_homepage.asp?orgkey=749

Family and Children's Services of Central Maryland
- A nonprofit, nonsectarian agency providing targeted services to vulnerable families and individuals. Services, locations and issues addressed.
- http://www.fcsmd.org/

Big Brothers Big Sisters of Central Maryland
- Matches qualified volunteers with children to create mentoring relationships. Find programs, news, history, donation and volunteer information.
- http://www.biglittle.org/

Greater Baltimore Urban League
- Aims to enable African Americans and other minorities to secure economic self-reliance, parity, power and civil rights.
- http://www.bul.org/

Greater Baltimore Community Housing Resource Board
- Distributes free Fair Housing brochures, self-help guides, reports, newsletters, and research.
- http://www.gbchrb.org/

Association of Baltimore Area Grantmakers
- Philanthropic organization serving central Maryland. Includes projects, grantmaking news and resources.
- http://www.abagmd.org/

Jewish Family Service of Central Maryland
- Provides counseling, adoption services, teen hotline, and senior resources.
- http://www.jfs.org/

Girl Scouts of Central Maryland
- Includes information about activities and camps, and the Girl Scout online safety pledge.
- http://www.gscm.org/