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Private company

International Forest Products

Logo: Interfor Corporation, CC BY 4.0, via Wikimedia Commons3

Multinational lumber company based in Canada

Interfor Corporation is one of the largest lumber producers in the world. The company's sawmilling operations have a combined manufacturing capacity of over 4.7 billion board feet of lumber with sales to North America, Asia-Pacific and Europe. Interfor is based in Vancouver, BC and employs approximately 5000 people.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1963Founded1

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Interfor Corporation is one of the largest lumber producers in the world. The company's sawmilling operations have a combined manufacturing capacity of over 4.7 billion board feet of lumber with sales to North America, Asia-Pacific and Europe. Interfor is based in Vancouver, BC and employs approximately 5000 people. In May 2014, Interfor opened its corporate office for the USA south-east region at Peachtree City, Georgia.2

Corporate structure

International Forest Products sits at the top of its group. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

The story

1930s Began with a sawmill in Whonnock, BC.

1963 Incorporated as Yorkston Lumber Co.

1963 Name changed to Whonnock Lumber Co.

1967 Converted to a public company.

1967 Name changed to Whonnock Industries.

1976 Buy Adams Lake division

1979 Sauder Industries acquired a controlling interest in Interfor (later transferred to the Sauder family's Mountclair Investment Corporation holding company).

1988 Name changed to International Forest Products Ltd.

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1991 Buy Hammond Division

1995 Buy Weldwood Operation

1996 Close Bay Lumber Operation

2000 Sell Flavelle Mill

2001 Buy Primex Mills

2001 Close Fraser Mill

2002 Close MacDonald Operation/Open Sumas Operation

2004 Close Squamish Operation

2005 Buy Crown Pacific Limited Partners

2005 Buy Floragon Forest Products Molalla Inc.

2005 Close Marysville and Field Operations

2006 Sell Saltar and MacKenzie Operations

2008 Buy Portac Inc.

2008 Close Queensborough Operations

2013 Buy Rayonier Wood Products Division

2013 Buy Keadle Lumber Enterprises Inc.

2014 Buy Tolleson Lumber Company

2014 Name changed to Interfor Corporation

2014 Close Forks/Beaver Operations

2014 Acquired properties from Simpson Lumber Company

2015 Buy Monticello Operation

2015 Close Tacoma Operation

2019 Close Hammond Operation

2020 Sell Gilchrist Operation

2021 Buy Summerville Operation

2022 Buy EACOM Timber - Eastern Canada Expansion

2022 Sell Acorn Division

2022 Buy Chaleur Forest Products

From Wikipedia’s article on Interfor Corporation, shared under CC BY-SA 4.0.4

Products and brands

All of Interfor's BC sawmills are Chain-of-Custody (CoC) certified.

Chain-of-Custody (CoC) certification tracks logs from harvest through the manufacturing process. In BC, Interfor mills are independently certified to meet Program for Endorsement of Forest Certification (PEFC) and Sustainable Forestry Initiative (SFI) CoC certification requirements. Select Interfor mills meet Forest Stewardship Council® (FSC) CoC certification requirements. Interfor's Preston and Perry Mills in the United States are certified to the SFI fiber sourcing requirements.

From Wikipedia’s article on Interfor Corporation, shared under CC BY-SA 4.0.4

Subsidiaries and ownership

Subsidiaries

From Wikidata.1

Timeline

  1. 1963Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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