EXHIBIT 21.1

Subsidiaries

•Vertex Energy Operating, LLC, a Texas Limited Liability Company (wholly-owned)(“Vertex Operating”)

•Vertex Refining, LA, LLC, a Louisiana Limited Liability Company (wholly-owned by Vertex Operating)

•Vertex Recovery Management, LLC, a Texas Limited Liability Company (wholly-owned)(“Vertex Recovery”)

•Vertex Recovery Management LA, LLC, a Louisiana Limited Liability Company (51% owned by Vertex Recovery Management, LLC and 49% owned by Industrial Pipe, Inc.)

•Vertex Splitter Corporation, a Delaware corporation (wholly-owned)

•Vertex Refining Myrtle Grove LLC, a Delaware Limited Liability Company (84.42% owned by Vertex Operating)

•HPRM LLC, a Delaware Limited Liability Company (35% owned by Vertex Operating)

•Crystal Energy, LLC ("Crystal") an Alabama Limited Liability Company (wholly-owned by Vertex Operating).

•Vertex Acquisition Sub, LLC, a Nevada Limited Liability Company (“Vertex Acquisition”) (wholly-owned by Vertex Operating)

Wholly-owned subsidiaries of Vertex Acquisition:

◦Cedar Marine Terminals, L.P., a Texas limited partnership

◦Crossroad Carriers, L.P., a Texas limited partnership

◦Vertex Recovery, L.P., a Texas limited partnership

◦H&H Oil, L.P., a Texas limited partnership