Maryland septic pumping companies — 0–9

✓ 4 of 1330 Maryland companies from the MDE Board of On-Site Wastewater Professionals registered individuals (retrieved 2026-07-23), listed alphabetically. Inclusion is a matter of public record, not an endorsement — verify current status with the state. Back to the Maryland overview.

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Company	Location	County	Certifications	License #
1st Choice Inspection Service	Edgewater, MD	—	Inspector (BAT O&M)Installer (At-Grade)Installer (BAT)Installer (Sand Mound)	01613
24/7 Grease Trap & Services, Inc.	Manassas Park, VA	—	Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound)	01115
247 Grease Trap & Services	Manassas Park, VA	—	Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound)	02391
7 Enterprises, LLC	Towson, MD	—	Inspector (BAT O&M)Inspector (Property Transfer)Installer (At-Grade)Installer (BAT)Installer (Sand Mound)	02489

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