There are several ways you can go about collecting on the judgment, including the issuance of a citation to company and/or officer(s) to talk about the company's assets, bank accounts, accounts receivables, etc. You may also be able to garnish payments they are to receive from their customers. Your best option is to speak with a reputable collection attorney in your area to discuss the specifics about your case and the best route to collect.
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"post judgment remedies" are how you collect and they are technical and a layman will not fare well trying to exercise them without a lawyer. Indeed most lawyers that are not doing collections day after day, shy away from trying. The means are complicated, oftentimes intensely local for what really works and what does not, and there are pitfalls for people who improperly use these tools which might lead you into trouble. Do yourself a favor and hire a lawyer who does collections to get this done.
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First, contact the defendant and see if they are willing to pay. Then, do a citation to discover assets. You must serve it on the registered agent if it us a corp. Do not serve it on the president as the court will not accept that. If toy need help, feel free to contract an attorney.