Analysis and report - US warehousing and logistics

We are a sugar free confectionery company based in the UK with our manufacturing from multiple European sites. we have two 3rd party distribution warehouses, one in the UK and one in Czech republic. Our range of 70 products are selling across 80 countries worldwide and we are looking to break into the US market.

What we need is a comprehensive understanding and analysis of where best to position a 3rd party warehouse within the US. There are several factor that will affect the decision such as proximity to shipping ports, access to transport networks, climate etc.