Does anyone have any experience with the tech recruiting firm Compuforce/Tempositions? Also, where to find info about recruiting firms?

I've looked at glassdoor etc but those seem to be reviews of the company about what it's like to work there as a recruiter; not what the recruiting agency is like from the point of view of a contractor that they place at a client.

I'm trying to find out if these guys are trustworthy. There are a few things in their contract that worry me, curious if anyone else has any experience with this particular firm. They're NYC based, they do mostly tech and IT. They seem pretty large, and well established and are not a new firm, but that doesn't mean they'll treat contractors any better than anyone else.

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