D & H Petroleum & Environmental Services is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Consultants - Environmental & Ecological
• Hazardous Materials & Waste Services
• Service Station Equipment & Supplies
• Tanks Installation & Removal
• Vacuum Truck Services

North American Industry Classification System (NAICS) Categories:

• Automotive Parts And Accessories Stores > Automotive Servicing Equipment & Supplies > Service Station Supplies Wholesale
• Other Airport Operations > Road, Parking Lot & Airport Services > Vacuum Truck Services
• Engineering Services > Engineers Consulting > Environmental & Ecological Consultants
• Other Management Consulting Services > Consultants Environmental
• Hazardous Waste Treatment And Disposal > Hazardous Waste Collection & Distribution > Hazardous Materials & Waste Services
• Remediation Services > Tank & Pipe Contractors > Tanks Installation & Removal

Standard Industry Classification (SIC) Categories:

• Special Trade Contractors, Nec > Tank & Pipe Contractors > Tanks Installation & Removal
• Refuse Systems > Hazardous Waste Services
• Sanitary Services, Nec > Road, Parking Lot & Airport Services > Vacuum Truck Services
• Motor Vehicle Supplies & New Parts > Automotive Servicing Equipment & Supplies > Service Station Supplies Wholesale
• Business Consulting Services, Nec > Consultants Environmental