WEB MARKETING for social networks and sites we need experts

Hello Everyone we are a US BAsed web design firm providing web serivces to a lot of clients we are looking to partner and hire any company that can offer 1) web marketing packages to assist all our clients with their internet ventures. Please provide me with services that you can provide with different package deals from $400 to $2500 on a monthly basis most of our customer have social networks so we will be providing marketing for them Provide with your offerings and cost via PMB what you can do to achieve real 1000's of users on a monthly basis real users from USA. Sample of customers that will need marketing a) 1 we have 1 social network for pregnant women b) we have a client that has a social network for artists c) we have a customer with SMS users like twitter commission base system where users gets pay a commission when they sign up people 5 to 10 usd per user on a monthly basis. d) we have a customer that has a dating site e) we have a customer that has a social network with free ecommerce for its user d) WE have a customer with a social network for wall street professionals.