Providing our customers the very best! We do all scheduled maintenance on your import and domestic vehicles. At Ray’s OK Service we offer professional and courteous repair services for your automobiles, light trucks, vans, and SUVs. Your needs will be expertly handled by our team; everything from oil changes to major engine work.


Welcome to Ray’s OK Service. Conveniently located in Greenfield, Wisconsin on Loomis Road at I-894. We specialize in the maintenance and repair of foreign and domestic vehicles. Ray’s OK Service originally opened in 1972 by Ray Kurian Sr. and sons.  As a family, they built a thriving auto repair business.  A company that prides itself on skilled automotive repair services, up to date technology, fair honest pricing, and cordial customer service. Now serving 3rd Generation Customers!!

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