Heiso yori: a polite expression meaning 'as always' or 'habitually'; commonly used in business correspondence and greetings (e.g. 'We appreciate your continued support').
平素よりお世話になっております。さて、本日は新製品のご案内でご連絡いたしました。
We appreciate your continued support. We are contacting you today to introduce our new product.
平素より格別のお引き立てを賜り、誠にありがとうございます。
Thank you very much for your continued patronage.
平素より安全運転にご協力いただき、感謝申し上げます。
We are grateful for your usual cooperation in safe driving.