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Bird Construction Inc. provides construction services in Canada. The company primarily focuses on projects in the industrial, and institutional, and infrastructure markets. It constructs large, complex industrial buildings, including manufacturing, processing, distribution, and warehouse facilities; and provides electrical and instrumentation, high voltage testing and commissioning services, as well as power line construction, structural, mechanical, and piping, including off-site metal and modular fabrication. It also engages in the civil construction operations, such as site preparation and earthworks, underground piping, utilities and foundation, drilling, blasting, and other concrete services, as well as contract mining, mine support, and greenfield and brownfield hydroelectric facilities; steel modular construction; and civil infrastructure operations comprising road, bridge, rail, and underground utilities installation. In addition, it constructs and retrofits institutional facilities, include healthcare facilities, post-secondary education facilities, K-12 schools, public safety and defence facilities, recreation facilities, transportation, courthouses, government buildings, and long term care and senior housing facilities; offers industrial maintenance, repair, and operations services; and constructs new construction and retrofit of warehousing, laboratories, manufacturing and processing facilities, data centers, office buildings, retail spaces, film studio infrastructure, hotels, and mixed-use mid- to high-rise residential buildings. Further, it offers electrical and related system services, such as electrical and mechanical infrastructure design and installation, data communications, telecommunications, security, and lifecycle services. It serves oil and gas, chemicals, liquefied natural gas, natural resources, nuclear, power, renewable energy, and water and wastewater sectors. The company was founded in 1920 and is based in Mississauga, Canada.

UNS Energy Corporation, formerly UniSource Energy Corporation, is a holding company. The Company owns the outstanding common stock of Tucson Electric Power Company (TEP), UniSource Energy Services, Inc. (UES), UniSource Energy Development Company (UED), and Millennium Energy Holdings, Inc. (Millennium). It operates in three segments: TEP, UNS Gas, Inc. (UNS Gas) and UNS Electric, Inc. (UNS Electric). TEP is an electric utility serving the community of Tucson, Arizona. UNS Gas is a gas distribution company serving approximately 148,000 retail customers in Mohave, Yavapai, Coconino, and Navajo counties in northern Arizona, as well as Santa Cruz County in southeastern Arizona. UNS Electric is a vertically integrated electric utility company serving approximately 91,000 retail customers in Mohave and Santa Cruz counties. In July 2011, UNS Electric purchased the Black Mountain Generating Station (BMGS) from UED.

Westport Fuel Systems Inc. engages in the engineering, manufacturing, and supplying alternative fuel systems and components for use in transportation applications in Europe, Asia, North America, South America, and internationally. The company operates through two segments, Original Equipment Manufacturers and Independent Aftermarket. It offers alternative fuel systems and components, such as liquefied petroleum gas (LPG), compressed natural gas (CNG), liquefied natural gas (LNG), renewable natural gas or biomethane, and hydrogen; and pressure regulators, injectors, electronic control units, valves and filters, complete bi-fuel, mono-fuel and dual-fuel LPG and natural gas conversion kits and high-pressure hydrogen components. The company provides Westport's LNG high pressure direct injection 2.0 fuel system and bi-fuel products; offers turnkey solutions covering all process phases, including prototyping, development, calibration, validation, homologation, vehicle conversion and logistic services, as well as systems for diesel-powered vehicles; and supplies hydrogen fuel system components for light, medium, and heavy-duty applications. It offers its products under the AFS, BRC, Emer, GFI, HPDI, Stako, Prins, Zavoli, OMVL, TA Gas Technology, Vialle, and Valtek brands. The company was formerly known as Westport Innovations Inc. and changed its name to Westport Fuel Systems Inc. in June 2016. Westport Fuel Systems Inc. was incorporated in 1995 and is headquartered in Vancouver, Canada.