If they agreed to provide services, and then failed to provide those services, you could and should sue them for breach of contract.
In Indiana, you can sue them for up to $6,000 in small claims court. You would probably want to look for a contract attorney or maybe a general civil attorney (you may also be able to add fraud to the counts).
I cannot tell you what another attorney will charge you. You can sue in small claims court in California as well though, since they have done business with you in California. You won't need an attorney for this, as small claims is set up for lay persons to navigate.
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