FamilyTreeDNA
Family Tree DNA is a division of Gene by Gene, a commercial genetic testing company based in Houston, Texas. Family Tree DNA offers analysis of autosomal DNA, Y-DNA, and mitochondrial DNA to individu...
FamilyTreeDNA - Wikipedia
GeneTree
GeneTree was a family history website focused on using DNA testing to trace ancestry. A website account was free, and within their account users could order DNA tests, enter results from other testing...
23andMe
23andMe is a privately held personal genomics and biotechnology company based in Mountain View, California. The company is named for the 23 pairs of chromosomes in a normal human cell. Its saliva-base...
23andMe - Wikipedia
Ancestry.com
Ancestry.com Inc., formerly The Generations Network, is a privately held Internet company based in Provo, Utah, United States. The largest for-profit genealogy company in the world, it operates a netw...
Ancestry.com - Wikipedia