Mj O'connor

Mj O'connor is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Plumbing Repair & Service
• Heating Contractors
• Commercial Refrigerating Equipment Sales & Service

North American Industry Classification System (NAICS) Categories:

• Plumbing, Heating, And Air-Conditioning Contractors > Heating Contractors
• Plumbing, Heating, And Air-Conditioning Contractors > Plumbing Contractors > Plumbing Repair & Service
• Refrigeration Equipment And Supplies Merchant Wholesalers > Commercial & Industrial Refrigeration Equipment
• Commercial And Industrial Machinery And Equipment (Except Automotive And Electronic) Repair And Maintenance > Refrigerating Equipment Service & Repair > Comercial Refrigerating Equipment Services

Standard Industry Classification (SIC) Categories:

• Plumbing, Heating And Air Conditioning > Heating Contractors
• Plumbing, Heating And Air Conditioning > Plumbing Contractors > Plumbing Repair & Service
• Refrigeration Equipment & Supplies > Commercial & Industrial Refrigeration Equipment
• Refrigeration & Air Conditioning Repair > Refrigeration Service & Repair > Comercial Refrigerating Equipment Service