- Imprinting & Embossing Services, Hereford
- Industrial & Commercial Cleaning Services & Companies, Hereford
- Industrial & Commercial Real Estate, Hereford
- Industrial & Farm Equipment, Hereford
- Industrial & Heavy Equipment Repair & Service, Hereford
- Industrial & Heavy Equipment Vehicle Rental & Leasing, Hereford
- Industrial & Heavy Vehicle Dealers, Hereford
- Industrial Contractors, Hereford
- Industrial Equipment & Machinery, Hereford
- Industrial Goods & Products - Hard Goods - Large, Hereford
- Industrial Goods & Products - Hard Goods - Small, Hereford
- Industrial Goods & Products - Soft - Large & Small, Hereford
- Industrial Heaters & Boilers, Hereford
- Industrial Lifts, Hereford
- Industrial Machinery Supplies & Equipment - Leasing & Rental, Hereford
- Industrial Pump Repair & Service, Hereford - Centrifugal, Positive Displacement, Submersible, Diaphragm, Hydraulic, Water, Vacuum Pumps, etc
- Industrial Pumps, Hereford - Centrifugal, Positive Displacement, Submersible, Diaphragm, Hydraulic, Water, Vacuum Pump, etc
- Industrial Supply, Parts & Equipment - Miscellaneous, Hereford
- Industry, Hereford
- Information Retrieval Services, Hereford
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- Information Technology Services, Hereford - IT Service
- Inspection & Testing Services, Hereford
- Insurance Brokers, Hereford
- Insurance Carriers, Hereford
- Insurance Crop, Hereford
- Insurance Farm, Hereford
- Insurance General Liability, Hereford
- Insurance Motorcycles, Hereford
- Insurance Renters, Hereford
- Insurance Services, Hereford
- Interdenominational Church, Hereford
- Interior Designers, Hereford
- Interior Designers & Decorators, Hereford
- Internet Services, Hereford
- Investment Management Services, Hereford
- Investment Services & Advisors, Hereford
- Iron, Steel & Metal Fabricators, Hereford - Fabrication Companies
- Irrigation Systems & Equipment, Hereford
- Italian Restaurants, Hereford
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