Business card and logo designer

I need a logo designer for my new start up business, i need it for business cards, social media etc. I have an idea on how i want it to look i need someone to bring it to life so i can get things moving.

The business is called EVS the slogan is EMERGENCY VEHICLE SERVICES

I have attached something that i have come up with i dont think it is eye catching/professional enough, unlike the others i have attached.