John E. "Jack" Irving is the youngest son of billionaire industrialist K.C. Irving. Jack, along with his brothers J.K. and Arthur, share the ownership of what is known informally as the Irving Group of Companies. Kenneth Colin (K.C.) Irving (March 14, 1899-December 13, 1992) was born in Bouctouche, New Brunswick. ... James K. J.K. Irving is the eldest son of billionaire industrialist K.C. Irving. ... Arthur L. Irving is the second son of billionaire industrialist K.C. Irving. ...

Following their father's death in 1992, ownership and responsibility for the Irving companies was divided as follows: 1992 is a leap year starting on Wednesday of the Gregorian calendar. ...

• J.K. - ownership and responsibility for J.D. Irving, the conglomerate which has interests in forestry, pulp and paper, tissue, newsprint, building supplies, frozen food, transportation, shipping lines, and ship building.

• Arthur - ownership and responsibility for Irving Oil, its retail stores, oil refinery, oil tankers and distribution terminals and facilities.

• Jack - ownership and responsibility for construction, engineering, and steel fabrication companies.

All companies within the Irving conglomerate are vertically integrated and buy services and products of other companies, thereby maintaining profits within their operations.

See also

• Kenneth Colin Irving for an overview and history of the development of the Irving Group of Companies.