Sellen Construction is a locally owned and operated commercial builder. Founded in 1944 and headquartered in the South Lake Union neighborhood of Seattle, Sellen builds iconic projects for the region’s tech, science, arts, health care and hospitality leaders. We believe in building community by creating unique spaces where significant things happen, and in giving back to non-profit organizations that make our community a great place in which to live and work. Sellen operates primarily in the Pacific Northwest and offers a wide range of services from preconstruction support, cost estimating and constructability services, to Virtual Design and Construction (VDC), integrated project delivery and sustainability services. Sellen has a Special Projects group that regularly performs renovations and tenant improvements in existing buildings for a variety of office and health care clients. Sellen’s notable projects include the Bill & Melinda Gates Foundation Campus, Seattle Children’s Hospital Building Hope Expansion, the Museum of History and Industry at South Lake Union, King Street Station Restoration, and the new Amazon office towers in Seattle’s Denny Triangle neighborhood.

With an uncompromising commitment to craftsmanship, Dowbuilt has spent the last 40 years mastering the art of fine homebuilding. By forming lasting relationships with clients, architects, subcontractors, and suppliers, Dowbuilt constructs some of the most unique private residences in existence today. In addition to its home base in Seattle, Washington, Dowbuilt has offices in Hawaii, San Francisco, Los Angeles, Austin, the Rocky Mountains, New York, and Florida. Dowbuilt's work can be found in numerous architecture books and shelter magazines throughout the world.

Specializing in heavy/highway civil contracting, heavy-haul transport, asphalt paving & ready mix concrete production. We are also leading suppliers of sand, gravel, and construction aggregates. The companies also boast an aggregate dock & golf course. The Fisher Companies consist of ten companies, primarily based in Mt. Pleasant, Midland, and Bay City, Michigan, as well as Franklin, KY. Combined, the companies specialize in heavy/ highway civil contracting, heavy-haul transportation, asphalt paving and production, and ready mixed concrete production. The companies are also leading producers and suppliers of sand, gravel, and bulk construction aggregates. In addition, the companies boast an aggregate dock, a multi-modal port site, a diesel-engine repair shop, and a championship golf course. We are a family-based company, founded in the communities through which we conduct business in. We are active in our communities, making them better places to live and work. Each of our companies retains its own identity and autonomy, while providing the benefits of best practices, financial strength, and the capabilities of a larger company to our customers. We proudly stand by the goals of quality and 100% customer satisfaction when providing products and services to our customers. Our companies: • Fisher Contracting, Co. • Fisher Transportation, Co. • Central Asphalt, Inc. • Central Concrete Products, Co., Inc. • Fisher Sand & Gravel • Fisher Construction Aggregates • Bay Aggregates, Inc. • Port Fisher Terminals • Midland Engine, Inc. • Bucks Run Golf Club *Notice: The Fisher Family uses the term Fisher Companies as a term of art that is useful when discussing issues, such as safety, that are important to all of the companies. It is important to remember that the ten companies are completely separate businesses, legally incorporated under the laws of the State of Michigan.

SCHULTZ MILLER, INC. is a construction company based out of 405 FAIRVIEW AVE. N, SEATTLE, Washington, United States.

Kirtley-Cole Associates is a full service general contractor providing construction services throughout the Puget Sound. We have more than 40 years of experience in all types of construction, from large-scale new construction to tenant improvements and small renovations. Our company was founded in 1973 with a commitment to never compromise in delivering superior construction services. We have not wavered from this commitment. Our attention to detail at every stage of the preconstruction and construction process is what differentiates us from our competitors. By focusing first and foremost on the needs of our clients, Kirtley-Cole has engendered a strong and devoted client base, with a large number of repeat clients. We begin every project with an emphasis on how to ensure our client will be a repeat client at the conclusion of the job. Everything we do is focused on this goal. Keeping our promises is very important to us and we work diligently every day to earn and maintain client trust. We listen carefully to understand what is important to our clients and strive to exceed their expectations. Kirtley-Cole is proud of our team and believes that we have some of the most talented professionals in the industry. Our teams are skilled and committed to one another and to our clients. We emphasize a safe workplace and take great pride in the quality of our work and in serving the client teams with which we partner. During the last 40 years, we have worked with a wide range of owners, building committees and architects. We are grateful to have played our part in successfully completing many unique construction projects that stand the test of time and look forward to doing the same for the next 40 years in markets that include: faith-based, education, healthcare, aerospace, office, commercial/retail, multifamily, and industrial/manufacturing.

For over 40 years Toth Construction has been a sought after contractor for premium quality custom projects throughout the Pacific Northwest. Established by Walter F Toth in 1976 with the strong German values to do the highest quality work without compromising integrity. Sons Klaus & Erik have been brought up through all the levels of the business and currently run the daily operations. Leading an exacting and cohesive company, outfitted with especially gifted craftspeople and managers, Toth Construction continues to hold the bar at the highest standards for quality and excellence.

Aecon Group Inc. (TSX: ARE) is a North American construction and infrastructure development company with global experience. Aecon delivers integrated solutions to private and public-sector clients through its Construction segment in the Civil, Urban Transportation, Nuclear, Utility and Industrial sectors, and provides project development, financing, investment, management, and operations and maintenance services through its Concessions segment.

Building relationships: One project at a time Planned or unplanned, construction causes disruption to your life. Allow McLeod Construction to take care of your property needs, so you can get back to living there. The key elements that drive each and every project performed by McLeod Construction are: Completing quality work at fair prices Maintaining high levels of communication and customer service Preserving long-term customer relationships McLeod Construction understands the intricacies of working in and around multifamily and mixed-use dwellings. From community associations to property managers and building owners, we pride ourselves in quality communication, response and follow up. Always maintaining a small company mentality, McLeod Construction provides the same strong work ethic and quality whether we're performing service work or a multimillion-dollar remediation. Building Relationships It’s about people: Our people helping yours. At McLeod Construction, we’re here to build long term relationships. The phrase “no project is too small” is heard in many of our conversations with clients, because we strive to make building maintenance uncomplicated. Whether you are a property owner, an association manager, a construction manager, or on the board of your association, McLeod Construction’s goal is to make your job easier, through availability, communication and quality construction.

Atlas Construction Specialties is a construction company based out of 1483 Harwood Dr, Oxford, Michigan, United States.

Quality Plumbing, Inc. was established in 1983 to service the greater Kansas City area with commercial and residential - Plumbing/HVAC/Mechanical services. Our professional plumbers and pipefitters are available 24/7/365 to service all of your Plumbing/HVAC/Mechanical needs. Quality Mechanical was started in 2021 and upholds the values and quality that you have come to know from our plumbing side. The Mechanical division was created to compliment the plumbing business and provide another service avenue for our customer base. The Mechanical division maintains, repairs and installs all HVAC/R and piping needs. Like our plumbing side our service techs are available 24/7 and have the upmost standards for excellence.

Western Ventures Construction, Inc. is a General Contractor in Western Washington specializing in commercial construction. We generally complete interior tenant improvements, expansions and renovations at public agencies such as schools, hospitals and city, county or state buildings. Please refer to our website for more information on projects completed and upcoming projects we will be bidding.

Founded in 1999, Pennon Construction Company, Inc. is a Seattle-based construction company focused on building opportunities in the private sector for a select group of clients. Pennon consistently delivers exceptional value and quality in their work through detailed planning, construction expertise, hands-on experience, and big ideas. Through this model of value, quality, and consistency, Pennon repeatedly exceeds the expectations of their clients. Pennon’s performance and execution precipitates a sterling reputation in the construction industry with both their clients and with the communities in which they build.