How We Verify Listings

Last updated June 10, 2026

Every company on GreaseTrapFinder goes through the same screening before it appears in our directory. This page explains exactly what "verified" means here — and what it doesn't.

What we check

• The business is real and operating. Each listing is sourced from public business records and active business profiles, not user submissions or purchased marketing lists.
• The phone number works. Listings must have a reachable business phone line. Listings with dead or missing contact information are removed or excluded from search results.
• They actually service grease traps. We confirm the company offers grease trap pumping, cleaning, or related FOG services — not just general plumbing.
• Location and service area. Each company is mapped to the city and state pages where it genuinely operates.
• No duplicates. We de-duplicate aggressively so the same operator doesn't appear under multiple names.
• Ratings come from real customers. Star ratings shown on listings reflect public customer reviews of that business. We don't write, edit, or sell ratings.

What verification is not

• It is not for sale. Companies cannot buy verified status. Paid plans (Priority, Premium, Featured) affect where a listing appears on the page — never whether it's marked verified.
• It is not an endorsement. We don't guarantee any company's work quality, pricing, or insurance coverage.
• It is not a license check. Waste-hauler licensing is regulated state by state. Before hiring, ask the company for its hauler license or permit number and confirm it with your state environmental agency — and always get a signed manifest with every cleaning. Our state compliance guide lists the regulator for each state.

Found a problem with a listing?

If a listed company has closed, changed numbers, or shouldn't be listed, contact us and we'll investigate — usually within a few business days.