- Aerospace
- Automotive
- Banking
- Business and Management Consulting Services
- Chemicals, Specialty Chemicals, Chemical Products, and Fibres
- Coke and Refined Petroleum Products
- Concrete, Cement, Lime, Plaster
- Construction
- Education, Career and Technical , and Training Centers
- Engineering Services, Instruments, and Miscellaneous
- Electronics, Electrical, and Optical Equipment
- Financial Services, Real Estate, Renting
- Food Industry and Food Safety
- Green Building (USGBC/GBCI)
- Healthcare
- Investigation and Security Services
- Information Security
- IT Services
- Laboratory and Calibration
- Lubricants
- Machinery and Equipment
- Mining and Quarrying
- Pharmaceutical
- Plastics and Rubber
- Printing, Pulp, Paper, and Paper Products
- Railroads and Railroad Suppliers
- Recycling, Industrial and Eco-friendly
- Shipping
- Social Services
- Software
- Technical Testing and Analysis
- Transportation, Storage, and Communications
- Warehouse, Distribution, Transportation, Logistic Services and Metal Service Center Industry
- Wholsesale and Retail Trade, Repair of Motor Vehicles, Motorcycles, and Personal and Household Goods
- Wood and Wood Products
- Metals, Materials, and Manufacturing:
- Aluminum Industry
- Bar & Rod Producers and Processors Industry
- Carbon Industry
- Coal & Coke Industry
- Coating/Plating Industry
- Cold Rolled Strip Steel
- Copper & Brass Industry
- Fabricating Industry
- Ferroalloy Industry
- Forging Industry
- Foundry Industry (AFS)
- Lead Industry
- Machine Shops & Heat Treating Industry
- Metal Producer Industry
- Metal Stamping, Blanking & Rollforming Industry
- Mold Powder/Flux Industry
- Non-Metalic Mineral Products
- Pipe & Tube Industry
- Powder Metal Industry
- Refractories & Minerals Industry
- Scrap & Recycling Industry
- Wire & Cable Industry