- (business, finance) operating expense or operating expenditure; the continuing costs of a business, in contrast to capital expenditure.
- operational executive
- The 1959 United Nations programme to provide Operational and Executive staff as part of aid to certain countries
- Charles W. Swenson The Accounting Review, Vol. 62, No. 1. (Jan., 1987), pp. 117-136.
- H. E. Caustin African Affairs, Vol. 66, No. 263. (Apr., 1967), 113-126.