About Us

Carey Stiller is the owner of Fitness Factory. Graduating in 1995 from Lock Haven University, Carey has been teaching group exercise since the age of nineteen. After a stint as a personal trainer for Ron Jaworski of the Philadelphia Eagles, she moved back to Williamsport and became the Women’s Fitness Director for the Williamsport YMCA. Progressing in her fitness career, in 2001 she became the proud owner of her first gym, Fitness Unlimited in Lock Haven, PA.  Since 2008, Carey has run Fitness Factory of Williamsport, and is working to introduce new exercise programs to the fitness industry.

Carey and her son have competed in several half marathons. In 2011 Carey won her first figure competition and receive her pro card.


In 2009, Certified speed trainer Mark Stiller added the Speed to Win program to Fitness Factory.

Fitness Factory
Fitness Factory
330 Hughes Street
Williamsport, PA 17701
Opening Hours
Monday 5:00 am – 9:30 pm
Tuesday 5:00 am – 9:30 pm
Wednesday 5:00 am – 9:30 pm
Thursday 5:00 am – 9:30 pm
Friday 5:00 am – 9:00 pm
Saturday 7:00 am – 4:00 pm
Sunday 7:00 am – 4:00 pm