- Australian Costumers' Guild - Guild officers, calendar of events and workshops, image gallery, membership information, costume links. Publishes "Coztume" newsletter.
- Costume Designers Guild - Organization founded in 1953 to "promote the research, artistry and technical expertise in the field of film and television Costume Design".
- Costume Society of America - Costume and fashion history, museums, art history, lectures, conservation, and scholarships. Publishes educational journal "Dress".
- Costume Society of Great Britain - Membership information and costs, calendar of events, scholarship and grant requirements, purchasable publications, and list of associated societies with contact information. Publishes educational journal "Costume"; partial index of past issues.
- Friends of the Rag Archives - Collection of wearable artists who present their art both in static shows and live performances. Photographic and video archives.
- Greater Columbia Fantasy Costumer's Guild - Membership and contact information for a non-profit organization devoted to the art, design and wearing of costumes. Located in Columbia, Maryland, USA.
- International Costumers' Guild, Inc. - ICG - Worldwide organization of costume professionals and hobbyists. Links to costume resources, events, and area chapters.
- National Costumers Association - USA-based group supporting the costuming industry. Officers and Board of Directors, mission statement, events schedule, image gallery from past competitions, scholarships, list of members, and membership form.
- Northern Society of Costume & Textiles - Founded 1977; located in the United Kingdom. Mission statement, membership information and costs, events, historic reproduction pattern sales and ordering, associated societies, and contact information.
- The Dutch Society for Costume, Lace, Fashion and Regional Dress - NVKKMS - Organization of collectors and enthusiasts. Mission statement and history, membership information, calendar, "Bulletin" newsletter and annual educational journal "Kostuum". [Frames] [Dutch/English]
- The Greater San Francisco Bay Area Costumer's Guild - California, US-based group who enjoy creating and wearing costumes. Includes "The Great Pattern Review", calendar of themed events, image gallery, membership information. Extensive directory of costuming resources.
