There are a few different places you can look to find ticket windows or cashier windows for your office:
Office supply stores: Many office supply stores sell a variety of ticket windows and cashier windows that are designed for use in office settings. You can check with stores in your local area or search online for options.
Manufacturing companies: There are companies that specialize in manufacturing ticket windows and cashier windows for commercial use. You can search online for companies in your area or look for manufacturers that offer products suitable for use in an office setting.
Online marketplaces: You can also find ticket windows and cashier windows for sale on online marketplaces such as Amazon, eBay, and Alibaba. These platforms often have a wide selection of products at a variety of price points, so you may be able to find something that meets your needs and budget.