Field Service Management Software Platform?

I recently acquired a business doing equipment distribution and repair services. We are looking for a software platform for field service management including capabilities for some of if not all of the following: technician scheduling, route management, generating work orders and invoices, onsite quoting, asset tracking, customer mapping, and parts/inventory management. Our customers are all B2B, so it's not quite as route-based as a resi HVAC company for example, but many of the same principles should apply regarding what makes a good software platform for what we need. We're currently looking at Davisware, ServiceTrade, SimPro, Field Edge, and Lexul Field Service. Does anyone have any recommendations or experience with the above that you can comment on your experience? Thanks in advance.