Editor’s note: This information was taken from the Energage database. The businesses provide the data, and it may have changed since it was first entered into the database.
No. 1
Years named: 1
Founded: 2021
Headquarters: Minneapolis/St.Paul, Minnesota
Employees: 754, with 56 in Colorado
Facts: Luminate Bank provides nationwide banking, specialized business services, and comprehensive mortgage lending. Formerly known as Equity Bank, it focuses on digital-forward banking, offering high-yield savings, CDs, and tailored commercial/title industry services.
No. 2
Years named: 4
Founded: 1952
Headquarters: Boulder
Employees: 544
Locations: 19
Facts: Elevations is an award-winning Colorado financial institution with over $3 billion in assets and over 170,000 members.
No. 3
Years named: 12
Founded: 1965
Headquarters: Littleton
Employees: 626, with 338 in Colorado
Locations: 5 in Colorado
Facts: LONG Building utilizes building technology services to automate, enhance efficiency, make facilities greener, and ensure safety for commercial, institutional, and industrial facilities of all types and sizes.
No. 4
Years named: 3, 2 consecutive
Founded: 1948
Headquarters: Denver
Employees: 629, with 133 in Colorado
Facts: Simpson Housing is an experienced, fully integrated real estate firm that provides services in commercial and multifamily property management, development, and construction.
No. 5
Years named: 2
Founded: 1999
Headquarters: Austin, Texas
Employees: 1,596, with 103 in Colorado
Facts: Enverus is a SaaS company that uses generative AI to deliver analytics and insights, providing benchmark cost and revenue data from over 95% of U.S. energy producers. It enhances production, distribution, and renewable energy development, serving over 6,000 customers in 50 countries.
No. 6
Years named: 3, 2 consecutive
Founded: 1969
Headquarters: Vienna, Virginia
Employees: 761, with 155 in Colorado
Locations: 2 in Colorado
Facts: ENSCO, Inc. is a technology company with $180 million in revenue. It provides engineering and technology solutions in aerospace, national security, and surface transportation, with a focus on safety and reliability.
No. 7
Years named: 1
Founded: 2007
Headquarters: Tempe, Arizona
Employees: 796, with 153 in Colorado
Facts: Solari Crisis & Human Services operates 24/7 crisis hotlines and the 988 Suicide & Crisis Lifeline, and offers behavioral health services. Known formerly as Crisis Response Network, it specializes in rapid crisis call response, mobile crisis team dispatch, and 911 diversion services in Arizona, Oklahoma, and Colorado.
No. 8
Years named: 10
Founded: 1915
Headquarters: Denver
Employees: 633
Facts: Pinnacol Assurance provides workers’ compensation protection to more than 50,000 Colorado employers and their employees.
No. 9
Years named: 2, 1 consecutive
Founded: 1913
Headquarters: Denver
Employees: 900, with 152 in Colorado
Facts: Stanley Consultants is a global, employee-owned firm providing engineering, environmental, and construction services
No. 10
Years named: 14
Founded: 1922
Headquarters: St. Louis, Mo.
Employees: 55,000, with 959 in Colorado
Locations: 365 in Colorado
Facts: Edward Jones has nearly 20,000 financial advisors who work directly with 9 million clients and $2.2 trillion in client assets.
No. 11
Years named: 2
Founded: 1927
Headquarters: Denver
Employees: 550
Facts: Catholic Charities, Archdiocese of Denver, provides services to 50,000 people through 30 programs in northern Colorado. It focuses on defending human dignity and caring for children, families, and those in need.
No. 12
Years named: 12, 7 consecutive
Founded: 1985
Headquarters: Breckenridge
Employees: 700
Locations: 7 in Colorado
Facts: Breckenridge Grand Vacations is a family-owned company that builds, sells, and manages fractional resorts in Breckenridge.
No. 13
Years named: 5, 1 consecutive
Founded: 1999
Headquarters: Centennial
Employees: 930
Locations: 5 in Colorado
Facts: Flexential is a leading provider of hybrid IT infrastructure services, offering colocation, cloud, connectivity, and managed solutions across a nationwide data center footprint.
No. 14
Years named: 3
Founded: 1986
Headquarters: Indianapolis
Employees: 675, with 71 in Colorado
Facts: Thompson Thrift is a full-service real estate company that develops multifamily, mixed-use, retail, industrial, and commercial projects across the nation.
No. 15
Years named: 8
Founded: 1955
Headquarters: Englewood
Employees: 900, with 650 in Colorado
Locations: 14 in Colorado
Facts: AllHealth Network provides behavioral health care to more than 20,000 children, adults, older adults, families, and couples. Its services include counseling, psychiatry, crisis services, substance abuse treatment, an adult acute treatment unit, services offered to the criminal justice system, vocational and social rehabilitation, school-based services, and an on-site pharmacy.
No. 16
Years named: 10, 1 consecutive
Founded: 2002
Headquarters: Englewood
Employees: 1,975, with 339 in Colorado
Facts: Ping Identity is an enterprise-grade identity and access management (IAM) software company that provides secure, intelligent authentication for employees, partners, and customers.
No. 17
Years named: 7, 1 consecutive
Founded: 2001
Headquarters: Westminster
Employees: 1,000, with 100 in Colorado
Facts: Coalfire is a premier cybersecurity advisory and assessment firm established in 2001, specializing in cloud security, risk management, and compliance for technology, healthcare, and financial industries.
No. 18
Years named: 1
Founded: 1995
Headquarters: Chicago
Employees: 930, with 53 in Colorado
Facts: Waterton is a real estate investment and property management company with a focus on U.S. multifamily and hospitality properties.
No. 19
Years named: 1
Founded: 2007
Headquarters: Denver
Employees: 715
Facts: CSU Global is a public, not-for-profit, 100% online state university. It is a legally independent, third campus of the Colorado State University System, which also includes CSU in Fort Collins and CSU Pueblo
No. 20
Years named: 13, 1 consecutive
Founded: 2000
Headquarters: Westminster
Employees: 4,000, with 927 in Colorado
Facts: Loenbro is an industrial construction and specialized services provider offering comprehensive solutions, including industrial construction, electrical, mechanical, fabrication, and inspection services for industries such as energy, mining, and manufacturing.
No. 21
Years named: 5
Founded: 1998
Headquarters: Denver
Employees: 530
Locations: 35
Facts: Vectra serves Colorado’s small and middle-market businesses and their owners, managers, and employees through full-service branches.
No. 22
Years named: 4
Founded: 2009
Headquarters: Pueblo
Employees: 680
Facts: GOAL High School delivers innovative blended online learning experiences and provides cutting-edge technology to more than 6,000 students across 40 locations statewide.
No. 23
Years named: 1
Founded: 1995
Headquarters: Waltham, Massachusetts
Employees: 990, with 143 in Colorado
Facts: Constant Contact is a comprehensive digital marketing platform designed primarily for small businesses and nonprofits to create, send, and track email marketing campaigns.
No. 24
Years named: 1
Founded: 2005
Headquarters: San Francisco
Employees: 725, with 61 in Colorado
Facts: Brilliant Earth is a publicly traded jewelry company that specializes in ethically sourced, high-quality engagement rings, wedding bands, and fine jewelry.
