I find that Lacis has a wide selection of needles
http://www.lacis.com/catalog/catalog.html
Mary W. Ballard
Senior Textiles Conservator
Smithsonian Center for Materials Research & Education
4210 Silver Hill Road, Suitland MD 20746 USA
tel: 301-238-1210 fax: 301-238-3709
email: [log in to unmask]