Tulsa Inspection Resources, LLC Providing inspection and integrity services to oil and gas pipelines & related facilities. Tulsa Inspection Resources, LLC (TIR), based in Tulsa, Oklahoma, is a leading provider of turn-key pipeline inspection and pipeline integrity services for oil & gas pipeline systems. Inspects full pipeline systems and related entities, including process plants, pump and compressor stations terminals and tanks. Inspects gas gathering systems and related facilities. Inspects public utility distribution systems. Provides full service integrity department, AGM surveys, pig tracking, dig staking and as-built surveys. TIR’s management team has over 150 years of collective pipeline inspection experience.