COSIA

Join Us!

Become a Member

Know whether you are SI (Self-Insured) or Associate:

SELF-INSURED EMPLOYER MEMBERSHIP:  A business, firm, entity or corporation qualified as a “self-insurer” under the Workers’ Compensation Act of Ohio.  

ASSOCIATE MEMBERSHIP:  Individual or business who regularly represents Self-Insurers under the Workers' Compensation Act of Ohio, are providers of medical, rehabilitation and/or educational services directly or indirectly to self-insured employees.

For your convenience, a customizable invoice for your accounting department is included below.