Supplies & Equipment:

Supplies, Services, Maintenance
Chemicals
Paper: Labeling, Printing, Boxes
Electronics, Lighting, Electricians 
Flooring Maintenance and Construction
Environmental Services
Inventory Control, Data Collection, Bar Coding  
Cleaning & Washing  
Heating & Air Conditioning  
Maintenance: Walls, Doors, Ceilings, Windows  
Equipment Maintenance & Repair  
Storage/Fixtures: Shelves, Racks, Bins  
Packaging

Professional Services:

Legal Services  
Financial Services  
Insurance  
Architects, Engineers, Construction  
Computer Services: Hardware / Software  
Media: Publishers, Internet, News & Info  
Laboratory Services: Biochemical
Consultants
Marketing & Sales: Agencies, Services