Swiss Cleaners Laundry Inc Provides Quality Dry Cleaning, Custom Shirt Service, Dry Cleaners Laundries, Clothing Alterations, Commercial Laundries, Drapery Curtain Cleaners, Laundromats, Wedding Tailoring Alteration Services to the Oklahoma City, OK Area. Established in 1912. Swiss Cleaners Laundry is one of the oldest drycleaning businesses in OKC. Established in 1912 by Swiss immigrants, they were known for their honesty, integrity, and hard work. Today, Swiss continues to serve OKC with the same founding principals.