We created and support following plugins for Woocommerce:

Advanced Order Export, Phone Orders, Advanced Dynamic Pricing

Try demo or submit ticket to helpdesk (not 24×7, but free users are welcomed).

Recent changes in Pro versions (these versions already include all changes made in free versions).

March 18th
Dynamic Pricing: version 1.6.0,  product filters support quantity ranges, added a lot of  UI settings.

March 4th
Phone Orders: version 3.2.5, ability to edit orders, Woocommerce reports.
Added more settings to separate page for sales agents (without access to “wp-admin”).

February 12th
Advanced Order Export: version 2.1.1, new format – PDF, fixed some vulnerabilities

Free plugins are available in official WordPress repository.