weld inspections

Consulting and Field Services (CFS) is an inspector-owned inspection company providing Mechanical, Non-Destructive Testing (NDT), and Refractory Inspection services since 1995. CFS serves the petrochemical industry, U.S. infrastructure, and manufacturing facilities, supporting upstream, midstream, and downstream projects with certified inspectors and consultants.

AUT corrosion mappingborescopeBrinell hardness testingMagnetic Flux Leakage (MFL)magnetic particle testing (MT)Penetrant Testing (PT)phased array ultrasonic testing (PAUT)positive material identification (PMI)QA/QCrefractory testing (ASTM methods)turnaround planningultrasonic testing (UT)Vacuum Box TestingVisual Testing (VT)

Crest Inspection and Consulting is a non-destructive testing company established in 2024, founded on principles of providing inspection, training, and consulting without compromising integrity. With over 18 years of NDT experience across industry sectors, it serves power generation, petrochemical, maritime, aerospace, and manufacturing and fabrication facilities.

Composite InspectionsCorrosion Inspectionsdrone inspectionsFull Matrix Capture and Total Focusing Method (FMC/TFM)Linear Array Ultrasonics (LAUT)Liquid Penetrant Examination (PT)Magnetic Particle Examinations (MT)Phased Array Ultrasonics (PAUT)Time of Flight Diffraction (TOFD)Ultrasonic Thickness and Flaw Detection (UTT/UTSW)vessel inspectionsVisual Examinations (VT)

DHDC Engineering Consulting Services, Inc. (DHDC) is a DBE, MBE, EDGE, SBE, LEDE engineering consulting firm headquartered in Columbus, Ohio, with offices in Middletown and Cleveland (TP), Ohio. It specializes in Geotechnical Engineering, Construction Materials Testing, Special Inspections, Subsurface Utilities Engineering and Environmental Engineering services, serving the Midwest and beyond.

asphalt mix designconcrete mix designsconstruction materials testingdrillinggeotechnical engineeringGeotechnical laboratory testingground penetrating radar (GPR)hydro vacuum/air knife excavationsoil boringsspecial inspectionsSubsurface utility engineering