Please identify all the named entities mentioned in the input sentence provided below. Use only the categories: PER - person, ORG - organization, and LOC - location.
Remember, nationalities are neither locations nor organizations, and organizations can represent other groups of people.
Pay attention to the provided example. You should only output the results in JSON format, following a similar structure to the example result provided.

Example sentence and results:

Where in the world is Iguazu?

"Results": [
    {
        "TypeName": "LOC",
        "Text": "Iguazu",
        "Start": 22,
        "End": 28
    }
]

Considering the input sentence below, what is the output result?

I phoned this company for advice on our office refurb and although we did not use them in the end(as our building contractor carried out the electrical work), they provided me with plenty of useful information over an hour phone call and subsequently we are now using PJC as our electrical maintenance contractor.


"Results": [
    {
        "TypeName": "ORG",
        "Text": "PJC",
        "Start": 268,
        "End": 271
    }
]