Ledcor Group of Companies
{{Short description|Construction company}}{{Advert|date=April 2022}}
{{Infobox company
| name = Ledcor Group of Companies
| logo =
| logo_caption =
| image =
| image_caption =
| type = Private
| founded = 1947
| founder = William Lede
| area_served = Global
| key_people = Dave Lede, Chairman and CEO, Ledcor Group of Companies
Ron Stevenson, President and CEO, Ledcor Industries Inc.
| industry = Construction
| products =
| num_employees = Approximately 8,000 (as of March 2023)
| divisions = Building, Environmental, Forestry, Heavy Civil, Infrastructure, Power, Marine, Properties, Oil and Gas, and Communications.
| homepage = {{URL|www.ledcor.com}}
| location_city = Vancouver, British Columbia
| location_country = Canada
| locations = 30 offices
}}
Ledcor Group of Companies is a construction company operating primarily in Canada and United States. Ledcor operates in a wide range of industries, including the construction of buildings and civil infrastructure, technical services such as communication networks, forestry, mining, property development and management, transportation, marine operations, and several energy projects, including oil, gas, and Liquefied Natural Gas.
Ledcor has been responsible for building several of Canada's large-scale construction projects. In 2012, construction of The Bow was completed - at the time Alberta's largest building.{{Cite news
| url = https://www.theglobeandmail.com/report-on-business/calgarys-the-bow-a-new-skyline-symbol/article561753/
| title = Calgary's The Bow: a new skyline symbol
| website = The Globe and Mail
| date = 16 November 2010
| access-date = 2016-02-29
| last1 = V
| first1 = Nathan
}} Ledcor also completed the construction of British Columbia's largest building, Vancouver's Shangri-La Hotel, in 2008.
Ledcor is also one of North America's pioneers in the Green Building industry. They are a founding member of the Canada Green Building Council and a longtime member of the U.S. Green Building Council.{{Cite web
| url = http://www.ledcor.com/what-we-do/environmental/sustainable-building
| title = Sustainable Building & Construction Company {{!}} Ledcor Group
| website = www.ledcor.com
| access-date = 2016-02-29
}} In 2014, the VanDusen Botanical Garden Visitors Centre, a Ledcor project, was named Sustainable Building of the Year by the World Architecture News.{{Cite web
| url = http://www.worldarchitecturenews.com/project/2014/24910/wan-editorial/wan-sustainable-building-of-the-year-award-for-2014-winner.html
| title = WAN:: WAN Sustainable Building of the Year award for 2014 Winner by WAN Editorial
| website = www.worldarchitecturenews.com
| access-date = 2016-02-29
| url = http://www.ledcor.com/news/news/2014/november/vandusen-botanical-garden-visitor-centre-named-mos
| title = VanDusen Botanical Garden Visitor Centre Named Most Sustainable Building {{!}} Ledcor Group
| website = www.ledcor.com
| access-date = 2016-02-29
}}
In 2011, 2014, 2017, and 2021, Ledcor was named to Canada's 10 "Most Admired Corporate Cultures" list,{{Cite web
| url = https://www.ledcor.com/news/news/2021/ledcor-wins-most-admired-corporate-culture-award
| title = Ledcor group makes Canada's 10 "most admired corporate cultures" list – Canadian Design and Construction Report
| website = www.cadcr.com
| access-date = 2016-02-29
}}{{Cite web|url=http://www.waterstonehc.com/full-winners.html|title=Full Winners|website=www.waterstonehc.com|access-date=2016-03-15}} securing a seat in the Hall of Fame as a four-time winner,{{Cite web|url=https://waterstonehc.com/canadas-most-admired/canadas-most-admired-corporate-cultures/corporate-culture-winners/|title = Corporate Culture Winners}} and is consistently ranked as one of the top Canadian employers.{{Cite web|url=http://www.ledcor.com/careers/why-work-here/award-winning-workplace|title=Award-Winning Construction Company {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-14}}{{Cite web|url=http://www.topworkplaces.com/frontend.php/regional-list/list/sandiego|title=The San Diego Union-Tribune Top Workplaces 2015 - List of winners|website=TopWorkplaces|access-date=2016-03-15}}{{Cite web|url=http://www.canadastop100.com/bc/|title=British Columbia's Top Employers (2016)|last=Employers|first=BC's Top 100|website=www.canadastop100.com|access-date=2016-03-15}}
History
William (Bill) Lede was born in 1925 to farming parents near Hay Lakes, Alberta. In 1945, he started a modest coal stripping and gravel operation with his brother-in-law, Ralph Stebner.{{cite web|title=Bill Lede|url=http://www.canadianpetroleumhalloffame.ca/bill-lede.html|website=Canadian Petroleum Hall of Fame|accessdate=June 2, 2015}}
In 1945, Bill secured a new contract with Black Nugget and officially started displaying the words "Leduc Construction" on a reconditioned Allis-Chalmers HD14.{{cite book|title=The Globe, Momentum|date=2012|publisher=Ledcor Group of Companies|edition=Special|url=http://www.ledcor.com/getattachment/9f0be3ed-7bef-49a8-8f3d-91b8aee21b5b/The-Globe-Momentum.aspx|accessdate=June 3, 2015}} In early 1947, he became owner and president of Leduc Construction after officially incorporating the name. Their first contract was to prepare the drilling site for Imperial Oil's Leduc No. 1. In 1953, after the purchase of two Caterpillar Inc. D7 tractors, the company started to make plans for expansion and diversification.
William Lede died on September 25, 1980, when a large gravel pile collapsed upon him at a job site. Upon William's death, Dave Lede became President{{Cite web|title=Dave Lede, B.Comm., LL.D. (Hon.) – Business Laureates of BC|url=https://businesslaureatesbc.org/laureate/dave-lede/|access-date=2020-09-29|website=businesslaureatesbc.org}} and Herb Lede took over as Chairman. {{citation needed|date=October 2018}}
In 1982, Leduc Construction was renamed Ledcor, an abbreviation of Leduc Construction, and began expanding across Canada and into the United States. With that, the company diversified its construction projects into seven different sectors - building, civil, industrial, mining, pipeline, telecommunications, and highway construction.
In the 2000s, Ledcor's diversification continued and by then included divisions in the construction, environmental, forestry, infrastructure, mining, transportation, power, properties, oil and gas, and communications sectors. Ledcor has also acquired Summit Air Charters and Arctic Sunwest Charters which provide transport to remote areas of the Yukon, Northwest Territories, and Nunavut. They are also a part of a joint venture that owns and operates the Vancouver Harbour Flight Centre seaplane terminal. Ledcor's marine division is now one of the largest of its kind, serving southwest British Columbia with six tugboats and 13 barges.{{Cite web
| url = http://www.ledcor.com/who-we-are/history
| title = Our History {{!}} Ledcor Group
| website = www.ledcor.com
| access-date = 2016-02-29
}}
Ledcor's electrical technicians in British Columbia voted to unionize in 2017 under the International Brotherhood of Electrical Workers, but were not recognized by the company. In 2022, the Canada Industrial Relations Board (CIRB) found that Ledcor had used unfair labor practices and had failed to engage in good faith bargaining. The CIRB then imposed a collective agreement on the parties.{{Cite news |last=Johal |first=Rumneek |date=November 17, 2022 |title=BC Electrical Workers Win Right to Unionize After 5 Year Legal Battle With Ledcor |work=PressProgress |url=https://pressprogress.ca/bc-electrical-workers-win-right-to-unionize-after-5-year-legal-battle-with-ledcor/ |access-date=November 18, 2022}}
Divisions
The Ledcor Group of Companies operates several divisions and subsidiaries that operate in a diverse range of industries across North America.
= Building =
Founded in 1987, the building division of Ledcor provides full-service construction for commercial, residential, institutional, and light industrial projects. They offer specialized services in project and construction management, pre-construction services, design-build, general contracting, and Public Private Partnership (P3) delivery models for a variety of clientele. Each year, Ledcor's building division is responsible for the construction of hundreds of projects in North America.
= Environmental =
As a founding member of the Canadian Green Building Council and a long-time member of the U.S. Green Building Council, Ledcor has a long history of pioneering the green building industry.{{Cite web|url=http://www.ledcor.com/what-we-do/environmental/sustainable-building|title=Sustainable Building & Construction Company {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-09}} They have experience providing energy-efficient retrofits and wastewater treatment{{Cite web|url=http://www.ledcor.com/what-we-do/environmental/wastewater-treatment|title=Wastewater Management & Treatment {{!}} Onsite & Portable Treatment {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-09}} for clients in many sectors along with a suite of other sustainable services.
Ledcor was one of the first companies to offer green retro-fitting services to clients - a service that helps improve the energy and efficiency of existing facilities. Several Ledcor projects have reached Leadership in Energy and Environmental Design (LEED) accredited status.
As of March 2016, Ledcor is constructing LEED v4 projects in both Canada and the United States. The official launch of LEED v4 standards will take place in fall 2016.
Some of Ledcor's clients have included Syncrude, Suncor, and Cadillac Fairview.
In 2014, Ledcor was the recipient of the Sustainable Building of the Year award by the World Architecture News.{{Cite web|url=http://www.worldarchitecturenews.com/project/2014/24910/wan-editorial/wan-sustainable-building-of-the-year-award-for-2014-winner.html|title=WAN:: WAN Sustainable Building of the Year award for 2014 Winner by WAN Editorial|website=www.worldarchitecturenews.com|access-date=2016-03-15}} They were also awarded the Vancouver Regional Construction Association (VRCA) 2013 Gold Award in Sustainable Construction for the UBC Pharmaceutical Sciences building.{{Cite web|url=http://www.vrca.bc.ca/page/news%20releases/ezlist_item_3c861765-7bf6-4ca7-9800-b6994292d9cb.aspx#.Vuhw1-IrK70|title=Best of construction industry honoured at 24th annual|last=VRCA|date= October 18, 2012|website=Vancouver Regional Construction Association|publisher=VRCA|access-date=March 15, 2016}} In 2013, they won the Canadian Green Building Award for the SFU UniverCity Childcare Centre project.{{Cite web|url=http://www.sabmagazine.com/blog/2013/06/10/univercity-childcare-burnaby-bc/|title=UNIVERCITY CHILDCARE - Burnaby, BC {{!}} Sustainable Architecture and Building Magazine|website=www.sabmagazine.com|access-date=2016-03-15}} They also won 11 awards, including Gold, at the 24th Annual VCRA awards of Excellence gala in 2012.{{Cite web|url=http://www.ledcor.com/news/news/2012/october/ledcor-projects-earn-11-vrca-awards|title=Ledcor Projects Earn 11 VRCA Awards {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-15}}
= Forestry =
Ledcor operates a vertically-integrated supply chain that includes constructing mills, brokering logs, and processing timber into exportable wood products (cants), chips, and biofuel. They also utilize their transportation capabilities to deliver products by both land and sea.
The company is licensed to operate in the Cariboo/Chilcotin, Vanderhoof, Kamloops, and Princeton forest districts of British Columbia.{{Cite web|url=http://www.ledcor.com/what-we-do/environmental/sustainable-building|title=Sustainable Building & Construction Company {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-08}} The forestry division turns logging waste and residuals into biomass products that are used to produce electricity and offset the use of natural gas.
= Infrastructure =
Founded in 1960, Ledcor's infrastructure division has a long history of undertaking both public and private infrastructure construction and maintenance projects. This includes highways, bridges, airports, and underground utilities. Ledcor offers services in all aspects of infrastructure construction including project management, procurement, design-build services, and constructability reviews.{{Cite web|url=http://www.ledcor.com/what-we-do/infrastructure|title=Infrastructure & Civil Construction {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-08}}
Some of Ledcor's major projects have included the construction of the Coquihalla BC Highway 5, TransCanada Highway 1, Alberta's Highway 63, and the South Fraser Perimeter Road (SFPR) in Vancouver, British Columbia.
The SFPR was part of the Asia-Pacific Gateway Program and was the first major project outside of the United States that was awarded the Green Roads Bronze Certification by the Green Roads Foundation.{{Cite web|url=https://www.greenroads.org/files/3755.pdf|title=GREENROADS CERTIFIES FIRST INTERNATIONAL PROJECT|last=GreenRoads|date=November 3, 2014|website=Greenroads|publisher=|access-date=March 15, 2016}}
= Mining =
Since its founding in 1985, Ledcor's mining division has operated in tandem with its other divisions to cover the complete range of operations. This includes facility preparation and construction, contract mining of coal, minerals, and metals, and reclamation activities.{{Cite web|url=http://www.ledcor.com/what-we-do/mining|title=Mining Construction & Operations Contractor {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-08}}
Ledcor has reclaimed land in a diverse range of geographic terrains and under various municipal and federal regulations.{{Cite web|url=http://www.ledcor.com/what-we-do/mining/reclamation|title=Mine Reclamation {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-08}} This includes erosion control, revegetation, soil and slope stabilization, topsoil reclamation, construction and closure of tailings storage facilities, demolition, equipment removal, placing soil overburden over exposed mine tailings, and regarding areas to match the contours of the surrounding terrain.
= Transportation =
Ledcor has subsidiaries in both the airline and marine transportation industries. Summit Air and Summit Helicopters offer both commercial flights and specialized aviation services and operate in remote regions of the Yukon, Northwest Territories, and Nunavut.{{Cite web|url=http://www.ledcor.com/what-we-do/transportation/aviation|title=Transportation Infrastructure Construction {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-08}}{{Cite web|url=http://summitair.net/|title=Home - Summit Air|website=Summit Air|language=en-US|access-date=2016-03-08}} Ledcor's marine fleet includes a tug and barge service that provides transportation for industrial clients in several sectors. It is one of the largest marine operations of its kind in British Columbia.{{Cite web|url=http://www.ledcor.com/what-we-do/transportation|title=Transportation Infrastructure Construction {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-08}}
Vancouver Harbour Flight Centre is also owned and operated by Ledcor. It consists of an open facility for seaplanes servicing the Pacific Northwest's coastal communities and gives customers close access to the center of Vancouver, British Columbia.{{Cite web|url=http://vhfc.ca/|title=HOME - Vancouver Harbour Flight Centre - Vancouver Seaplane Terminal|website=Vancouver Harbour Flight Centre - Vancouver Seaplane Terminal|language=en-US|access-date=2016-03-08}}
Ledcor's transportation services are integrated with their forestry and energy services.
= Power =
Ledcor provides various services in the energy sector including power generation, transmission, both underground and overhead distribution, and renewables.{{Cite web|url=http://www.ledcor.com/what-we-do/power/power-distribution|title=Power Plant & Facility Construction {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-09}} Ledcor has contributed to the development of renewable energy forms and has constructed projects such as solar energy farms in Reno, Nevada, and wind power in Alberta.
Some of Ledcor's green energy projects include the Fitzsimmons Creek Hydroelectric Project,{{Cite web|url=http://www.innergex.com/en/site/fitzsimmons-creek/|title=Fitzsimmons Creek - Innergex Renewable Energy Inc.|website=Innergex Renewable Energy Inc.|language=en-US|access-date=2016-03-15}} the Ashlu Creek Green Power Project,{{Cite news|url=http://www.canada.com/story_print.html?id=b2e7e2c6-0cb8-40f3-9957-7786745dac43&sponsor=|title=Ashlu Creek a part of B.C.'s green grid|last=(Victoria)|first=Times Colonist|newspaper=Canada.com|access-date=2016-03-15}} Barrick Solar Farm,{{Cite web|url=http://www.ledcor.com/our-projects/power/renewable-energy/barrick-solar-farm|title=Barrick Solar Farm {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-15}} and the Wintering Hills Wind Power Project.{{Cite web|url=http://www.altenerg.com/back_issues/sepoct2012-story5.htm|title=Solar project delivers benefits on two fronts : Back Issues, altenerG.com - enerG Alternative Sources Magazine - enerG, Archives|website=www.altenerg.com|access-date=2016-03-15}}
= Properties =
Founded in 1996, Ledcor Properties now manages the development and operation of a large portfolio of commercial, residential, and light industrial real estate in North America. They have contributed to over 60 projects with a value exceeding $2.5 billion.{{Cite web|url=http://www.ledcor.com/what-we-do/properties|title=Property Investment {{!}} Office, Residential & Retail {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-09}}
= Oil and Gas =
The oil industry was one of the first that Ledcor began operating in. They now participate in a range of activities including earthworks, foundations, construction, maintenance, pipe fabrication, and module assembly. Since the 1940s, Ledcor has constructed some of North America's largest resource projects, often in challenging locations including the Arctic and offshore.{{Cite web|url=http://www.ledcor.com/what-we-do/oil-gas|title=Oil & Gas Construction Services {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-09}} Pipeline construction is a major part of the oil and gas division.{{Cite web|url=http://www.ledcor.com/what-we-do/oil-gas/pipelines|title=Pipeline Construction & Maintenance Contractors {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-09}}
Ledcor's clients have included TransCanada, Suncor, Imperial Oil, Shell, Syncrude, Apache, Encana, and Nova. They are also active in the oil and gas research and development field, having invested heavily in the Northern Alberta Institute of Technology (NAIT) and are a founding partner for the Pipeline Integrity Institute (PII) at UBC.
= Communications =
In operation since 1979, Ledcor Technical Services designs build and maintains both wired{{Cite web|url=http://www.ledcor.com/what-we-do/communications/wireline-outside-plant|title=Communications Network Construction {{!}} Telecom Construction {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-09}} and wireless networks across North America.{{Cite web|url=http://www.ledcor.com/what-we-do/communications|title=Communications Network Construction {{!}} Telecom Construction {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-09}} This division is responsible for building the first coast-to-coast fiber optic cable in Canada and installing the first undersea cable in the United States.{{Cite web|url=http://www.ledcor.com/what-we-do/communications/submarine-networks|title=Communications Network Construction {{!}} Telecom Construction {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-09}}
Some of Ledcor's communications clients have included Fonorola Inc, Bell Canada, Telus, Suncor, and CNRL.
Safety
Ledcor has received several major awards for achieving a high performance in safety. In 2014, this included the Construction Owners Association of Alberta's Safety Leadership Award{{Cite web|url=http://www.coaa.ab.ca/library/COAALibrary/BestPracticesAwards.aspx|title=Best Practices Awards|website=www.coaa.ab.ca|access-date=2016-03-15}} and Imperial Oil/Exxon Mobil's Exemplary Safety Performance Award.{{Cite web|url=http://www.ledcor.com/news/news/2014/october/ledcor-rewarded-for-exemplary-safety-performance-a|title=Ledcor Rewarded for Exemplary Safety Performance at Kearl Oil Sands Project {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-15}} In 2012, Ledcor won the Chevron Product Company Safety Excellence Award and in 2010 won the Shell Goal Zero Award for reaching 365 days without medical aid on the Shell Albian Sands Expansion project.{{Cite web|url=http://www.ledcor.com/our-projects/oil-gas/oil-sands/albian-sands|title=Albian Sands {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-15}}
Community Impact
Over the past 10 years, Ledcor and its employees have invested over $24.1 million in more than 150 charities across North America, as well as supporting communities through various professional development, sustainability, research, and initiatives.{{Cite web|url=http://www.ledcor.com/giving|title=Giving {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-09}}
Ledcor has been a consistent supporter of children's charities including BC Children's Hospital, Kids Help Phone,{{Cite web|url=http://www.ledcor.com/ledcor-cares/how-we-care/ledcor-raises-over-$680-000-in-cumulative-support|title=Giving Back {{!}} Charity & Community Work {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-15}} and Ronald McDonald House.{{Cite web|url=http://www.stalbertgazette.com/article/20141022/SAG0301/310229981|title=The House That Love Built turns 30|last=LP|first=Great West Newspapers|website=St. Albert Gazette|access-date=2016-03-15}}
Each year, Ledcor's annual employee campaign provides funding for pediatric hospitals, Make-A-Wish Foundation, United Way chapters, and other local charities focused on children's health.{{Cite web|url=http://www.ledcor.com/ledcor-cares/how-we-care/ledcor-employees-show-that-ledcor-cares-raising-ov?page=|title=Giving Back {{!}} Charity & Community Work {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-15}}
Ledcor's community investment also includes industry, apprenticeship, and scholarship programs that aim to teach skills and give experience to individuals.{{Cite web|url=http://www.ledcor.com/ledcor-cares|title=Giving Back {{!}} Charity & Community Work {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-09}}{{Cite web|url=http://www.ledcor.com/news/news/2016/february/ledcor-contributes-over-$24-million-to-more-than-1|title=Ledcor Contributes Over $24 Million to More Than 150 Charities Across North America {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-09}} Some of the major organizations they support include the Northern Alberta Institute of Technology (NAIT),{{Cite web|url=http://www.nait.ca/44779_99026.htm|title=Andrea Sedgwick named Ledcor Applied Research Chair in Oil Sands Sustainability|website=NAIT|access-date=2016-03-15}} the University of Alberta,{{Cite web|url=http://cegiir.med.ualberta.ca/zeidlercentre.html|title=CEGIIR|website=cegiir.med.ualberta.ca|access-date=2016-03-15}} Junior Achievement BC,{{Cite web|url=http://www.ledcor.com/news/news/2014/april/ledcor-invests-$200-000-in-junior-achievement-for|title=Ledcor Invests $200,000 in Junior Achievement for Northern Alberta and B.C. Students {{!}} Ledcor Group|website=www.ledcor.com|access-date=2016-03-15}} and Junior Achievement Northern Alberta.{{Cite web|url=http://www.businessreviewcanada.ca/Ledcor-Construction-Limited/profiles/133/Investing-in-partners-and-clients-keeps-Ledcor-ahead-of-the-game|title=Investing in partners and clients keeps Ledcor ahead of the game|website=www.businessreviewcanada.ca|access-date=2016-03-15}}
Ledcor has built partnerships and pursued opportunities with several Aboriginal communities including the Haisla Nation,{{Cite web|url=http://haisla.ca/information-session-ledcor-haisla-limited-partnership/|title=Information Session - Ledcor Haisla Limited Partnership|website=Haisla Nation|access-date=2016-03-15}} McLeod Lake Indian Band,{{Cite web|url=http://www.duzchologging.com/services|title=Services - Duz Cho Logging Ltd.|website=www.duzchologging.com|access-date=2016-03-15}} Squamish Nation and Lil-wat First Nation,{{Cite web|url=http://www.piquenewsmagazine.com/whistler/squamish-nation-to-reap-sizable-benefits-from-ashlu-ipp/Content?oid=2149077|title=Squamish Nation to reap sizable benefits from Ashlu IPP|last=Taylor|first=Alison|website=Pique|date=10 December 2004 |access-date=2016-03-15}} West Moberly First Nations, Fort Nelson First Nation,{{Cite web|url=http://www.partnershipsbc.ca/pdf/SYD_VFM_Nov_4_04.pdf|title=Project Report: Achieving Value for Money for the Sierra Yoyo Desan Resource Road Upgrade Project|last=Partnerships British Columbia|date=|website=Partnerships British Columbia|publisher=Province of British Columbia|access-date=}} Tsawwassen First Nation, and the Tahltan Nation.
References
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Category:Companies based in Vancouver
Category:Companies based in San Diego
Category:Construction and civil engineering companies of Canada
Category:Construction and civil engineering companies of the United States
Category:Construction and civil engineering companies established in 1947