Crompco (now OWL Services) is the nation's industry leader in compliance testing solutions for underground storage tanks (USTs) and lines, vapor recovery systems and training. Strategically located crews throughout our coverage area allow us to be responsive to our customers’ needs.
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The Crompco annual revenue was $478 million in 2026.
Bob Dee is the COO of Crompco.
42 people are employed at Crompco.
Crompco is based in Plymouth Meeting, Pennsylvania.
The NAICS codes for Crompco are [22, 54, 5419, 221, 541].
The SIC codes for Crompco are [87, 873].