This question is for those of you with experience in design firms.
Who else do you work with? What do they do?
Human Resources
Sales
Marketing
Information Systems/Desktop Support
Mechanical Engineers
Administrative Assistants
Lawyers
Machinists
Business Managers
Accountants
Janitorial/Cleaners
Ethnographer (a contractor, once only)
Hope that helps!
Who? - What they do?
Clients - pay the bills!
Customers - merchandize and sell end-product (or service)
Consumers - purchase and use end-product (or service)