Array
(
    [0] => Array
        (
            [rcatid] => 3166
            [related_category_name] => Mechanical Instrument Calibration Services
        )

    [1] => Array
        (
            [rcatid] => 3185
            [related_category_name] => Measuring Instruments Calibration
        )

    [2] => Array
        (
            [rcatid] => 3186
            [related_category_name] => Thermal Instruments Calibration Service
        )

    [3] => Array
        (
            [rcatid] => 3178
            [related_category_name] => Pressure Instruments Calibration
        )

    [4] => Array
        (
            [rcatid] => 75981
            [related_category_name] => Pyrometer Instrument Calibration Service
        )

)