Apex Services Group is a Cargo Tank facility as registered/approved with PHMSA. Our registered inspectors are qualified to performed inspections on all DOT codes of equipment, including trailers, tanks, and ISO containers. We possess a Category O license with the Railroad Commission of Texas for inspection of high pressure vessels, like DOT 331 or DOT 338. We offer V (Visual), (I) Internal, (L) Lining, (K) Leakage, (T) Thickness,  and (P) Pressure testing. In addition, we provide EPA-27 Vapor Tightness Testing. At Apex, we use state of the art equipment. We have pressure relief valve bench testers, magnetic fluorescent testers, electronic thickness testers, and bluetooth inspection cameras. 

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