The Washington Companies is the parent company of several independent entities. The company is privately held, and was founded by

Dennis Washington Dennis R. Washington (born 1934) is an American billionaire industrialist who owns, or co-owns controlling interests in, a large consortium of privately held companies collectively known as the Washington Companies and, in Canada, another collec ...

. Current companies owned by The Washington Company include: * Seaspan Corporation (shipping and shipbuilding) * Aviation Partners Inc. (airplane winglets) *

Montana Resources LLP Montana Resources LLP is an American mining company with headquarters in Butte, Montana. The company is owned by businessman Dennis Washington as a unit of The Washington Companies. The company employs about 350 people, and operates the Continen ...

(copper and molybdenum mining) *

Dominion Diamond Mines Burgundy Diamond Mines Limited is a Canadian mining company that sells diamonds from its Ekati Diamond Mine through rough sales to its polished and cut diamond sales office in Perth, Australia. Burgundy is publicly traded on the Australian Stoc ...

(diamond mining) *

Modern Machinery Modern may refer to: History *Modern history ** Early Modern period ** Late Modern period *** 18th century *** 19th century *** 20th century ** Contemporary history * Moderns, a faction of Freemasonry that existed in the 18th century Philosophy ...

(heavy equipment sales and leasing) * SRY Rail Link (rail transport in British Columbia) * Envirocon (

environmental remediation Environmental remediation is the cleanup of hazardous substances dealing with the removal, treatment and containment of pollution or contaminants from Natural environment, environmental media such as soil, groundwater, sediment. Remediation may be ...

and civil construction)

References

Companies based in Montana {{DEFAULTSORT:Washington Companies, The