Top Tech Companies in Seattle, WA (3,469)

Clean Harbors is North America's leading provider of environmental and industrial services, offering hazardous and non-hazardous waste management, emergency spill response, industrial cleaning, and recycling services.

Tin Can is a screen-free phone for kids that gives them the independence to call friends and family—without giving them a smartphone. Built like a modern landline, Tin Can connects over Wi-Fi and uses a simple mobile app for parents to control who can call in and out. There’s no browser, no app store, no camera, no spam—just voice. It’s a...

Thornton Tomasetti is an American science and engineering consulting firm that applies scientific and engineering principles to solve the world's challenges. They specialize in the design, construction, and performance of buildings and structures, offering expertise in structural, facade, and forensic engineering, as well as sustainable design and applied science for a diverse global clientele across various industries.

F5 application services ensure that applications are always secure and perform the way they should—in any environment and on any device. F5 (NASDAQ: FFIV) powers applications from development through their entire life cycle, across any multi-cloud environment, so our customers – enterprise businesses, service providers, governments, and consumer brands—can deliver differentiated, high-performing, and secure digital experiences.

Freestone is an independent, fee-only wealth advisor to select high net worth individuals and families. We offer a full suite of services to help protect, grow and transfer your wealth and address all aspects of your financial life, giving you the freedom to focus on what truly matters.

CellNetix Pathology & Laboratories is a physician- and employee-owned pathology company headquartered in Tukwila, Washington. Formed through the 2005 merger of three independent pathology groups, it provides diagnostic pathology services to hospitals and other clients across the Pacific Northwest and Arizona. Its mission emphasizes excellence in patient care through accurate, specialized diagnoses, supported by a large group of pathologists and...

Pinkerton traces its roots to 1850 when Allan Pinkerton founded Pinkerton's National Detective Agency. Today, Pinkerton offers organizations a range of comprehensive risk management services from security consulting and investigations to executive protection, employment screening and protective intelligence. With employees and offices worldwide, Pinkerton maintains an unmatched reputation for protecting clients and their assets around the globe.

NELSON is an award-winning firm delivering architecture, interior design, graphic design, and brand strategy services that transform all dimensions of the human experience, providing our clients with strategic and creative solutions that positively impact their lives and the environments where they work, serve, play, and thrive.

At BXP (NYSE: BXP), our people are our most important asset, and our people are passionate about great space and place. This group of more than 750 individuals brings talent, energy, and experience to the task of identifying and capitalizing on real estate opportunities, and lead the industry in every facet of our operations. Our quality workplace ensures that employees...

Bayview Retirement Community is a 62+ nonprofit Life Plan Community in Seattle's Queen Anne neighborhood. Its mission is to transform the experience of aging by creating opportunities for healthy, spiritual, and purposeful living for its residents, staff, and the greater community. The comprehensive community offers independent living, assisted living, and memory care, aiming to help residents remain independent and active.

C+C is a communications agency built to make the world better, working with brands and organizations that stand for something bigger. Our work succeeds because we’re more than a communications agency – we’re a behavior change agency. With a toolbox including advertising, PR, multicultural marketing, social, digital, events, and even good old-fashioned door-to-door outreach, our work makes people think, feel...

Lakeside School is an independent, coeducational, nonsectarian day school in Seattle serving grades 5–12. It provides a rigorous, dynamic academic program with liberal-arts study, critical inquiry, writing, project-based learning and experiential education, alongside extracurricular opportunities. Its mission is to help intellectually capable young people develop creative minds, healthy bodies and ethical spirits, preparing them to contribute wisdom, compassion and leadership...

IOActive is the only security consultancy with a global presence and deep expertise in hardware, software, and wetware assessments. Our mission is to make certain your enterprise is more secure in an era of pervasive and emerging threats.

CoStar Group (NASDAQ: CSGP) is a global leader in commercial real estate information, analytics, online marketplaces, and 3D digital twin technology. Founded in 1986, CoStar Group is dedicated to digitizing the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives. CoStar Group’s major brands include CoStar, a leading global provider of commercial...

Fred Hutch is an independent, nonprofit organization that also serves as the cancer program for UW Medicine. Together we provide the specialized focus of a top-ranked cancer center and the comprehensive services of a leading integrated health system

Founded in 2017 by experts in the self-driving industry, Aurora is on a mission to deliver the benefits of self-driving technology safely, quickly, and broadly. To move both people and goods, the company is building the Aurora Driver, a platform that brings together software, hardware and data services to autonomously operate passenger vehicles, light commercial vehicles, and heavy-duty trucks. Aurora...

Born from the founders’ recognition that their diverse but complementary skills and experiences would enable them to successfully address challenges that others had not, Nautilus (Nasdaq: NAUT) set about solving a vexing problem: how to bring true proteomics to the world in a way that accelerates therapeutic development, dramatically improves medical diagnostics, and makes personalized and predictive medicine a reality. The...

DevHub is a foundational web platform for building and managing web experience (think CMS/ sites) - DevHub integrates marketing and advertising technologies in one hub.

At A-Alpha Bio, we aim to accelerate target discovery, library screening, and preclinical drug characterization by providing cell-based tools for quantitative and high-throughput measurements of protein interactions. Current approaches for measuring protein interactions are insufficient for many drug development applications due to low accuracy or throughput. We are a team of synthetic biologists, structural biologists, and next-generation sequencing experts who have...

Omnidian’s mission is to protect and accelerate capital invested in residential and commercial solar by homeowners and businesses across the nation. Our proprietary technology monitors your system 24/7, covers maintenance for all hardware and software components, and includes the industry’s leading Cash-Back Energy Guarantee. If your system underperforms, we’ll make it right, and compensate you for energy lost. The award-winning Solar...