Top Tech Companies (7,322)

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.

We're a growth-oriented biopharmaceutical company improving patient lives by developing and commercializing advanced products across a range of therapies.

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.

Littelfuse is an industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 15 countries, and with 17,000 global associates, we partner with customers to design and deliver innovative, reliable solutions. Serving over 100,000 end customers, our products are found in a variety of industrial, transportation, and electronics end markets—everywhere, every day. Headquartered in Chicago, Illinois,...

Since our foundation in Dublin, Ireland in 1990, our mission has been to help our clients to accelerate the development of drugs and devices that save lives and improve quality of life. We do this by delivering best in class information, solutions and performance, with an unyielding focus on quality at all times. We offer a full range of consulting, development...

Cprime is a global consulting firm helping transforming businesses get in sync. We help visionary business leaders compose solutions, execute implementations, and perform against business goals. As a leading global Agile, product, and technology solutions provider, our industry-leading software and talent solutions work together in synergy to deliver transformations.

For more than a century, Mars, Incorporated has been driven by the belief that the world we want tomorrow starts with how we do business today. This idea is at the center of who we have always been as a global, family-owned business. Today, Mars is transforming, innovating and evolving in ways that affirm our commitment to making a positive...

Steelhead Corporation is a privately held, Chicago-based holding company that owns and operates American manufacturing businesses serving critical infrastructure markets.

Guggenheim Partners is a global investment and advisory firm with more than $325 billion in assets under management*. We have a track record of delivering results through innovative solutions across our three primary businesses of investment management, investment banking, and insurance services. Our Heritage Our history stems from Guggenheim Brothers, the Guggenheim family business dating back to the late 1800s. Guggenheim...

Scion is the largest privately-held owner/operator of student housing communities in the United States. The company’s current portfolio includes 87 properties comprised of approximately 58,700 beds, mostly off-campus but also including management of two university-affiliated communities. Scion has focused exclusively on the student housing sector since its inception in 1999 as an advisor, owner and operator, and has invested in...

With AbelsonTaylor, ROI is what you’ll get. A Return On Imagination—through our expertise, insights, creativity, and strategy. Every discipline within our agency dreams up imaginative ways to transform brands and drive measurable market results.

Founded in 1966, Heitman LLC is a global real estate investment management firm with $47 billion in assets under management as of December 31, 2025. Heitman’s real estate investment strategies include direct investments in the equity or debt capitalization of a property or in the securities of listed and publicly traded real estate companies. Heitman serves a global client base...

Sell more. Scale faster. JumpSeat is a strategic advisory firm that assists high-growth companies in developing, scaling, and leading high-performing revenue generation teams. We're a seasoned group of strategic advisors who have previously headed marketing and demand teams at B2B organizations. Through highly interactive and proven approaches, we upskill and align members of your marketing, sales, BDR, and partnership teams, so you...

From our humble beginnings with just 10 grasscloths and a dream, we are now the world’s leader in natural, textured, and specialty wallcovering. Phillip Jeffries remains a family business with just one mission – to inspire a more beautiful world through meticulously crafted, award-winning designs. With a million yards in stock, the fastest delivery, and most trusted team in the...

Reach3 Insights is a purpose-driven insights consultancy accelerated by modern technologies, immersive experiences, intelligent analytics and game-changing deliverables. Our seasoned research strategists provide ongoing, agile insights at scale through the power of conversation to propel positive, powerful outcomes for transformational organizations across all industries. We exist to liberate our industry from mediocrity and malaise. Through the power of creativity, innovation, optimism...

ePlus is a customer-first, services-led, results-driven and trusted industry leader that helps organizations secure, modernize, optimize, and scale every aspect of their IT infrastructure. For more than 30 years, we have stood side by side with more than 4,300 global customers, helping navigate an increasingly complex and dynamic IT, regulatory and workforce environment. Backed by an unparalleled bench of technical...

Founded in 1999, Fusion92 is a Marketing Transformation Partner that helps innovatively solve business challenges, delivering exponential returns for brands. The firm fuels business transformation in today's digital economy by imagining unexpected solutions and seamlessly integrating across its end-to-end marketing products and services. The independent, national enterprise is based in Chicago with hubs in Detroit, Austin and Denver and backed by Serata...

Golub Capital is a market-leading, award-winning direct lender and experienced credit asset manager, with over $45 billion of capital under management. We specialize in delivering reliable, creative and compelling financing solutions to companies backed by private equity sponsors. The firm’s sponsor finance expertise also forms the foundation of our Late Stage Lending, Broadly Syndicated Loan and Credit Opportunities investment programs....

Copado is the leader in AI-powered DevOps for Salesforce and business applications. Backed by Insight Partners, SoftBank, IBM, Capgemini and Salesforce Ventures, Copado delivers Org Intelligence to simplify complexity and bring clarity to enterprise delivery. Copado unifies planning, building, testing and releasing on Salesforce with built-in trust, automation and governance. More than 1,750 global brands — including Coca-Cola, Medtronic, T-Mobile...

All Chicago Making Homelessness History is a 501(c)(3) nonprofit organization dedicated to preventing and ending homelessness in the Chicago area. Its mission is to unite community resources to provide solutions that ensure and sustain the stability of home through emergency financial assistance, community partnerships, data analytics, training, and research, working toward a vision where homelessness is rare, brief, and non-recurring.