WP Curve - Unlimited WordPress support & small jobs, 24/7
Zirtual - Virtual assistants for busy people.
Upwork - Forget the old rules. You can have the best people. Right now. Right here.
Prialto - Prialto employs expert virtual assistants that can efficiently assist you with challenging tasks.
Support Hero - Educate your customers through self-help support
TimeEtc - Time Etc offers virtual assistants for entrepreneurs and professionals.