As of July 2010, over 300 organisations have signed up to the why women? campaign (see the full list below).

In addition over 1000 individuals have signed up in support. Why not join them?

8 days a week (West Yorkshire)
Aaina Women's Group
Abortion Rights
Account 3
Action Planning (Surrey)
Addaction Hackney Women's Development
Advice UK
Aegis Associates Ltd
Afghan Association of London
African HIV Policy Network
Agenda
Akina Mama wa Afrika
Albanian Youth Action
Allens Croft Project (Birmingham)
Alternative Arts
Amnesty International UK
Angel International (UK)
Anti Trafficking Legal Project
An-Nisa Society
Anti-Slavery International
Apna Haq (Rotherham)
Asha Women's Centre (Worcester)
Ashiana Network
Asian Elder Support Scheme
Asian People’s Disability Alliance (APDA)
Aspire (Brighton)
Association of Greater London Older Women (AGLOW)
Barnsley Sexual Abuse & Rape Crisis Helpline (BSARCH)
Birmingham Community Empowerment Network (BCEN)
BCUC
Being Human
Bengali Women's Project (Luton)
Birds Eye View
Birmingham All Nation Coalition (BANC)
Birmingham Women's Advice & Information Centre (BWAIC)
Black Women's Mental Health Project
Bransholme Women's Centre
BRAP/Black Women's Network (Birmingham)
Breast Cancer UK
Brent Women's Aid
Bridge Women's Centre (Tyne & Wear)
Bridge Women's Education & Support Project (Tyne & Wear)
Brighton and Hove City Council
Brighton Oasis Project
Brighton Women's Centre
Bristol Local Fawcett Group
Bristol Women's Forum
Broken Rainbow
Business and Professional Women Northern Ireland
Cambridge House Law Centre
Cambridge Women's Resource Centre (CWRC)
Camden Women's Aid
Camfed (Cambridge)
Capability Company
Capital Project Trust (Bognor Regis)
Carila Latin American Welfare Group
Central Manchester Women's Aid Outreach Project
Centre on Human Rights for Disabled People (Disability Action)
Chester Women's Aid
Children & Woman Abuse Studies Unit
CHANGE
Colchester Rape Crisis Line (CARA)
China's Secret (Maidenhead)
Commonwealth Countries League
Community Integration Partnership (Birmingham)
Community Matters
Central America Women's Network
Cooltan Arts
Coventry Domestic Violence and Abuse Partnership
Crossover UK
Croydon Community Drug Agency (Women’s Sessions)
Culture (Leeds)
Directory of Social Change
Dacorum Women's Aid
Dare to Change
Darlington & Durham County REC
Darlington Domestic Abuse Forum
Derbyshire Friend
Derbyshire Rainbow Fringe Festival
Dignity in Dying
Dumfries & Galloway International Womens Network
East London Asian Counselling
Eaves Housing for Women
Eaves Women's Aid, Barking & Dagenham
Eaves Women's Aid, Kensington and Chelsea
Education for Choice
Electoral Reform Society
Enfield Women's Aid
Enfield Women's Centre
Engender (Edinburgh)
Eritrade
Esteem
Ethical Property Foundation
Eva Women’s Aid
Evelyn Oldfield Unit
Families for Peace (Nechells)
FATIMA Women's Network (Leicester)
Fawcett Society
Feminist Library
Feminists Against Censorship
Fermanagh Women's Aid (Northern Ireland)
FinFutures
First Class Youth Direct
Fylde Coast Women’s Aid
Foundation for Community Dance
Fourth Action (Northumberland)
Froom (Newcastle-under-Lyme)
Girls Xpress
GKG Ltd (Oxford)
Gloucestershire Rape Crisis Centre
Grassroots Rising BME Network
Greater London Domestic Violence Project (GLDVP) – now Against Violence and Abuse (AVA)
Greater London Volunteering
Green Women (Brighton)
Greenwich Women's Aid
Grow (Rotherham)
Hackney Voluntary Action
Hackney Women's Forum
Halton Domestic Abuse Forum
HARV Domestic Violence Team (Accrington)
Haven
Haven Westminster
Homestart (London)
Hestia Housing and Support, Ealing
Hinaist Academy
Homework
Horn of Africa Women Development Network (Birmingham)
Hopesurvivors
Hull Women's Centre
Humraaz (Blackburn)
Hybird
Imkaan
ARP Women's Alcohol Centre
Asian People's Disability Alliance (Middlesex)
8 days a week (West Yorkshire)
Aaina Women's Group
Indepnedent Newham Users Forum (INUF)
Inequality Agenda
Innovatory
Inspire Black Country
Institute of Education (University of London)
International PEN
Iranian & Kurdish Women's Rights Organisation
Iranian Welfare Association
Jagonari Women's Educational Resource Centre
Jabbok Support Services for Women
Jewish Women's Aid
Justice for Women
Kalayaan
Kensington & Chelsea Social Council (KCSC)
Kings College London Students Union Womens Health Society
KIXA self-defence
Kurdistan Refugee Women's Organisation
Lambeth Gaia Domestic Violence Centre
Lambeth Women's Aid
Lambeth Women's Project
Lantern Project (Birmingham)
London Advice Services Alliance (LASA)
Latin American Women's Aid
Latin American Women's Rights Service
Law Centres Federation (Bedfordshire)
Lesbian and Bisexual Womens Network (Middlesbrough)
Lesbian Community Project (Manchester)
Let's Link
Lewisham Community Network (LCN)
Life Kit (UK)
Limehouse Project
Living in Wisdom
London Centre for Personal Safety
London Fire Brigade
London Friend
London Irish Women's Centre
London Play
London Probation Trust
London Radical Cheerleaders
London Feminist Network
Manchester Rape Crisis
Manchester Women’s Design Group
Manchester Women’s Domestic Abuse Helpline
Manchester Women's Electronic Village Hall
Manchester Women's Network
Medact Reaching Out project
Mercy Ministries UK (West Yorkshire)
Middle East Centre for Women's Rights
Morgan Foundation (Bristol)
Mosac
Mothers Apart from their children
National Assembly of Women
National Council of Women
National Alliance of Women's Organisations (NAWO)
National Council for Voluntary Organisations (NCVO)
Northampton Bangladeshi Association
Northumberland County Council
Nottingham Domestic Violence Forum (NDVF)
Newham Asian Women's Project
Nia Project
North Northumberland Women's Network (NNWN)
No Sweat
NUS LGBT Campaign
Object
Older Feminist Network
One World Action
Oxfam UK Poverty Programme
Oxford District TUC
Oxford Women's Training
Phoenix Futures (Brighton)
Play England
Pelvic Pain Support Network
Poppy Project
Portsmouth Socialist Students
Planned Parenthood of Western PA
Planning Aid
Port Talbot & Afan Women's Aid
Positively Women
Powerhouse
Preston Road Women's Centre ( Hull)
Prison Advice and Care Trust (PACT)
Pupil Parent Parnership
Purplerobe (Milton Keynes)
Queen Mary Student’s Union
Race on the Agenda (ROTA)
Rape & Sexual Abuse Support Centre (Croydon)
Rape Crisis (England and Wales)
Reading University Students Union
Red Ochre
Redbridge Council for Voluntary Service
Redcar & Cleveland Women's Aid
Red-One Tactical Training Ltd (East Sussex)
Refugee Council
Refugee Women's Resource Project (at AsylumAid)
Respect
Richard House Children's Hospice
Rights of Women
Riverside Community Health Project (Newcastle)
Roshni Women's Centre (Gloucester)
Roshni Sheffield Asian Women’s Resource Centre
Rotherham Women's Counselling
RSACC Darlington and County Durham
Safe as Houses Domestic Violence Project (Brighton)
Safe Women's Training Company (Hull)
Salford Women's Centre
Salusbury World Refugee Centre
Sannihita Center for Women and Girl Children (Andhra Pradesh, India)
Scene + Heard
Scottish Socialist Youth
Scottish Women's Convention
Sexual Violence Action and Awareness Network (SVAAN)
Sheffield Domestic Abuse Forum / Women's Aid
Shelter
SOAS Women's Society
Social Perspectives Network
Socialist Resistance
Society for women in Philosophy UK (SWIP UK)
Solace Women’s Aid
Somali Widows Human Rights Advocacy (Mogadishu, Somalia)
Somalia Integration Team
Soroptimist International GB
South Essex Rape and Incest Crisis Centre (SERICC)
South London Fawcett Group
South Yorkshire Women’s Development Trust
Southall Black Sisters
Southwark Traveller Action Group
Sparkhill Asian Women’s Association
Staying Put (Bradford)
Stitches in Time
Strawbalefutures (Todmorden)
Street Level photoworks
Subtext Magazine
Surrey Women's Link
Survivors' Network (Brighton)
Sussex Anarcha-Feminist
Sussex Feminist Collective
Sussex Women's Group
Sutton Women's Centre
Suzy Lamplugh Trust
Swindon Somali Women's Association
Tarfaen Women’s Aid
TAWN (Asian Women's Network)
The Bridge Project (Albany)
The Haven Wolverhampton
The Ivy Leaf
The Prince’s Trust
The Roberts Child Contacts Centre
The Wise Group (Glasgow)
The Women's Library
Threshold Women's Mental Health Initiative (Brighton)
Tradeswomen South Yorkshire
Tooks Chambers
Tower Hamlets Community Empowerment Network
Tower Hamlets Women's Aid
Tracey Ford Associates
UKRC for Women in SET
UNA-UK Westminster Branch
UCL Union
Union of Women's Organizations of Macedonia (Skopje, Macedonia)
UNISON Surrey County
UNISON Voluntary Sector Branch
United Kingdom's Disabled People's Council (Women's Committee)
University of Ulster
University of Warwick Students Union (Women's Officer)
Upper Valley Women's Group
Vale Royal Women's Aid
Victim Support Lambeth
Victim Support Northumbria
Voluntary Action Camden
Voluntary Sector Resource Agency Hammersmith and Fulham
Volunteer Centre Edinburgh
Volunteer Centre Kensington & Chelsea
Vulval Health Awareness Campaign (Dorset)
Waltham Forest Victim Support
Wear Valley Women’s Aid
Welsh Women’s Aid
Well Women Centre (Wakefield)
West Hampstead Women's Centre
West Rhyl Young People’s Project
West Midlands NUS
White Ribbon Campaign (Hebdon Bridge)
WISH Centre
WOMANKIND Worldwide
Woman's Trust
Women in Music
Women's Rape & Sexual Violence Service (Stoke-on-Trent)
Women Liberal Democrats
Women’s Advisory Council UNA-UK
Women’s Aid Federation of England
Women's Aid Monmouthshire (WAIMON)
Women's Anand Society
Women's Alcohol Centre
Women's Association for African Networking and Development (WAND UK)
Women's Budget Group
Women's Design Service
Women's Employment, Enterprise & Training Unit (WEETU)
Women's Enterprising Breakthrough (Birkenhead)
Women's Environmental Network (WEN)
Women's Health Advice Centre
Women's Health and Family Services
Women's Health in Tyneside
Women's Health Matters (Leeds)
Women’s Asylum Seekers Together
Women & Girls Network
Women & Health
Women Acting in Today's Society (Birmingham)
Women@Work
Women in Europe for a Common Future (WECF)
Women in Film & Television
Women in Prison
Women International
Women Supporting Women (Edinburgh)
Women Together (Essex)
Women Together Support Group
women@thewell
Women's Rape and Sexual Abuse Centre Cornwall
Women's Refuge Project (Brighton)
Women’s Self Education Project
Women's Support Network (Belfast)
Womenspace (Huddersfield)
Wycombe Rape Crisis
Wycombe Women's Aid
Yakeem Asian Women Counselling (Hertfordshire)
Young Lesbian and Bisexual Womens Health Project (Manchester)
YWCA Doncaster Women's Centre
Women's Work (Derby)
YWCA England and Wales
Zimbabwe Women's Network
Zina (Ilford)