@jajohn Thank you for sharing your direct experience with this business entity. It’s unfortunate that this company, which also is AKA “NPN” is continuing it’s longtime non-payment of professional signing agents [PSAs] & notaries across the US.
I performed a cursory Search on your behalf of this business entity and there are 20 separate threads since OCTOBER 2017 with nearly ALL of the threads identifying WARNINGS/ALERTS/NON-PAYMENT, etc.
The following direct url identifies those separate threads:
https://forum.notarycafe.com/search?q=national%20paralegal
It may be worth your while to Research within these threads to locate information regarding how other PSAs may have successfully received payment.
Here are a few methods that prove successful:
Notify the Title Company associated with the Signing Order
Following the Step-By-Step Guide enumerated within the following post:
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The Search function is being identified to be of assistance to you as this business entity has been highlighted since OCTOBER 2017 to be unreliable regarding payment. 
Performing a Search provides you with an opportunity to further enhance your business acumen & skill set (speaking proverbially). By guiding you to the Search Function, it “teaches you how to fish;” instead of giving you a fish . . . Be your own guru!
A Search of the Notary Café database (upper right/magnifying glass) will usually be quicker than waiting for someone to reply. To assist you in finding trustworthy clients, utilize the following Key Word(s) “Best Companies” in the Search field query box.
There is a PLETHORA of immediately available info there for you.
Also, I recommend you researching the “Bad Companies” in the Search field query box as well.
Accessing the database to locate info about potential clients has saved many of us an inordinate amount of time ‘chasing’ payments for Services professionally provided to potential non-payers . . . 
