Testing Centers Reliability?

Does anyone have experience with some of the internet testing sites: Medical Screening Services, Sexual Health tESTING lIMITED, WELLNET INCORPORATED, SPECIALIZED TESTING?  Are they to be trusted.  they send their clients to well know labs for blood to be drawn with next day results?

Thanks

[Xhost]

Most of the "testing" companies that one sees on the Internet rely on one or two well known and established labs to actually conduct the testing (either LabCorp or Qwest (sp?) Diagnostics. Thus, in this context, the reliability of the testing (front) company is really a secondary consideration - they are not the ones who perform the tests, after all. They simply send customers to the real testing factility and then route the results of said tests back to the customer.

[Teak]

If I had to be tested I would prefer to go to a clinic that uses the Reveal G3 test so that I could get my results back in less than three minutes.