What does Oldr stand for?

Oldradus da Ponte de Laude - Deceased, 1335 - Authority cited in pre-1607 legal work (DSA)

Oldright's Nova Scotia Reports - A publication (DLA)

Old Republic International Corp. - NASDAQ symbol (COMM)

On-Line Data Reduction (SAUS)

On-Time Data Reduction (SAUS)

Quick Look Data Reference - NASA (NAKS)