YS

Yield Strength (Academic & Science » Physics)

**** Yolk Sac (Medical » Veterinary)

**** Yolk Sac (Medical » Laboratory)

**** Yolk Sac (Medical » Human Genome)

**** Youth Specialties (Community)

** Yakult Swallows (Medical » Veterinary)

* Youth Symphony (Community » Music)

* Your Survey (Community)

* Yard Sale (Community)

* Youth Silver (Miscellaneous)

* Young Slacker (Governmental » Military)

* Yamaki Sigma (Academic & Science » Mathematics)

* Youngstown and Southern Railway Company (Regional » Railroads)