The three types of companies seem to have one thing in common. They all seem to invoice either government entities or insurance companies . If that's true there are good companies to finance them. This post has a company that can finance or refinance equipment that I'm sure can do a great job and you should contact them for details of their programs.
You might find unsecured term loan that are not collateralized by equipment near impossible to attain.
I'd be happy to provide you with a few contacts that finance working capital for clients like Youre a just give me a call and ill,point you to several.
Bob Shaw
Iron Horse Credit
734-928-3800
rshaw@ironhorsecredit.com