Formerly Ogren & Trigg Clock Service. Don Ogren Clock Service is a Minneapolis-based business that has been providing clock repair services since 1976. Specializing in the repair and restoration of antique, vintage, and modern clocks, they offer a wide range of services including clock cleaning, oiling, and adjustments, as well as more complex repairs such as movement restoration and dial refinishing. With a commitment to excellence and a focus on customer satisfaction, Don Ogren Clock Service has earned a reputation as one of the top clock repair businesses in the Minneapolis area.