Editor’s note: The information in this list was taken from the Energage database. The businesses provide the data, and it may have changed since it was first entered.
No. 1
Years ranked: 2
Founded: 2003
Headquarters: Boulder
Employees: 67
Facts: HRMS provides exceptional customer service to ensure successful project outcomes. It uses a proven and collaborative implementation methodology combined with the highest quality of service delivery.
No. 2
Years ranked: 3
Founded: 2012
Headquarters: Denver
Employees: 70
Facts: CirrusMD’s integrated care is delivered by multi-specialty, board-certified doctors who can treat various conditions, from acute to chronic, and from primary care to specialty areas, including behavioral health. The service is available to nearly 10 million users across all 50 states through employers and health plans.
No. 3
Years ranked: 2
Founded: 2018
Headquarters: Greenwood Village
Employees: 6,000, with 53 in Colorado
Facts: CoralTree develops and manages world-class independent luxury and lifestyle hotels and resorts.
No. 4
Years ranked: 1
Founded: 2003
Headquarters: Dallas
Employees: 718, with 51 in Colorado
Facts: Riveron is a national business advisory firm specializing in accounting, finance, technology, and operations.
No. 5
Years ranked: 5, 3 consecutive
Founded: 1981
Headquarters: Arvada
Employees: 50
Facts: Footers Catering is a second-generation family-owned business that caters to more than 450 full-service events and fees more than 100,000 guests each year. Footers prepares all its menus on-site to provide the highest quality possible.
No. 6
Years ranked: 2
Founded: 2020
Headquarters: Sandy, Utah
Employees: 672, 94 in Colorado
Facts: Brighton Hospice strives to provide patients and their families with the highest quality physical, emotional, and spiritual care.
No. 7
Years ranked: 4
Founded: 1993
Headquarters: Denver
Employees: 94
Facts: Carlton Electric is a full-service electrical contractor that serves customers in Colorado and Wyoming.
No. 8
Years ranked: 7, 3 consecutive
Founded: 1975
Headquarters: Boulder
Employees: 67
Facts: Cain Travel is a full-service travel agency focused on corporate and group travel management. With an 80 percent female team, Cain Travel is proud to be one of the largest woman-owned companies in Colorado.
No. 9
Years ranked: 2
Founded: 1992
Headquarters: Denver
Employees: 78
Facts: ACES is a leading provider of enterprise quality management and control software for the financial industry.
No. 10
Years ranked: 1
Founded: 2015
Headquarters: Denver
Employees: 51
Facts: Morpheus offers a comprehensive hybrid cloud management solution to platform engineering teams, with the ability to adapt and integrate seamlessly.
No. 11
Years ranked: 2
Founded: 1971
Headquarters: Denver
Employees: 115
Facts: Corcoran Perry & Co. is a locally owned and operated real estate company with a tradition of integrity, client service and satisfaction.
No. 12
Years ranked: 2
Founded: 2012
Headquarters: Boulder
Employees: 200, 50 in Colorado
Facts: Green Spoon is a national natural food and beverage sales agency that serves natural and conventional groceries.
No. 13
Years ranked: 5, 4 consecutive
Founded: 1978
Headquarters: Houston
Employees: 2,400, with 54 in Colorado
Facts: Transwestern is a privately held real estate firm with 34 offices in the United States and over 180 offices in 37 countries. It specializes in agency leasing, management tenant advisory, capital markets, research, and sustainability services.
No. 14
Years ranked: 2
Founded: 1993
Headquarters: Englewood
Employees: 68
Facts: CRS is an insurance brokerage that provides 24/7 service and expert advice to help reduce risk, maximize potential, and boost profitability.
No. 15
Years ranked: 1
Founded: 1976
Headquarters: Portland, Oregon
Employees: 956, with 72 in Colorado
Facts: David Evans and Associates provides engineering and planning services for transportation, land development, energy, and marine projects.
No. 16
Years ranked: 1
Founded: 2001
Headquarters: Golden
Employees: 72
Facts: Xentity specializes in data programs focused on big data, geospatial data, open data, and IoT/remote sensing.
No. 17
Years ranked: 3
Founded: 2012
Headquarters: Aurora
Employees: 100
Facts: Bibbeo is a nationally recognized technology solutions provider that provides services and installations across the U.S.
No. 18
Years ranked: 1
Founded: 1995
Headquarters: Colorado Springs
Employees: 113
Facts: Stockman Kast Ryan + Co is a certified public accounting firm that offers services like tax planning, audit and assurance, business consulting, financial analysis, and strategic planning for businesses and individuals.
No. 19
Years ranked: 4, 2 consecutive
Founded: 2007
Headquarters: Boston
Employees: 900, with 100 in Colorado
Facts: With a network of 100,000-plus restaurants across the U.S., ezCater provides flexible and scalable food solutions for everything from daily employee meals to sales meetings.
No. 20
Years named: 4, 2 consecutive
Founded: 1994
Headquarters: Albuquerque, N.M.
Employees: 315, with 89 in Colorado
Facts: ANM designs and implements I.T. solutions from industry-leading technology providers, including Cisco, Pure Storage, AWS, VMware, Splunk, Cohesity, and F5. The company’s specialties include designing, developing, and deploying solutions for enterprise networking, data center and cloud, collaboration, security, audiovisual, and Salesforce.
No. 21
Years named: 1
Founded: 2014
Headquarters: Denver
Employees: 76
Facts: Little Kickers Swim School offers private, one-on-one swim lessons for children ages 5 months and up. Little Kickers also offers scholarships in partnership with Hope Floats, an organization that helps low-income families with swimming lessons.
No. 22
Years named: 5, 2 consecutive
Founded: 2006
Headquarters: Denver
Employees: 75
Facts: Denver Scholarship Foundation provides the tools, knowledge, and financial resources to empower Denver Public Schools students to attend post-secondary institutions of higher education. The foundation partners with 31 colleges in Colorado, including technical and community colleges and traditional four-year colleges and universities. The foundation has awarded $65 million in scholarships.
No. 23
Years ranked: 5
Founded: 2001
Headquarters: Chicago
Employees: 897, with 83 in Colorado
Facts: Basis Technologies is a global automation software provider for enterprise marketers. It’s the only digital media platform that combines programmatic, site-direct, TV, search, and social media into one interface.
No. 24
Years ranked: 4
Founded: 2009
Headquarters: Colorado Springs
Employees: 110
Locations: 6
Facts: Vanguard Skin Specialists is a dermatology, plastic surgery, and aesthetic practice specializing in dermatology, Mohs surgery, dermatopathology, plastic surgery, and aesthetics.
No. 25
Years ranked: 3
Founded: 2014
Headquarters: Greenwood, Indiana
Employees: 170, 103 in Colorado
Facts: The Garrett Companies is a full-service multifamily development, construction, and property management team that works to develop, build, and manage multifamily apartment projects across the country.
No. 26
Years ranked: 4
Founded: 2017
Headquarters: Englewood
Employees: 106
Facts: Digible is a digital marketing and technology company specializing in multifamily housing.
No. 27
Years ranked: 1
Founded: 1985
Headquarters: Memphis, Tennessee
Employees: 285, with 55 in Colorado
Facts: Logical Systems is a global systems integrator specializing in automation, systems integration, electrical engineering, and process optimization.
No. 28
Years ranked: 2
Founded: 2004
Headquarters: Washington, D.C.
Employees: 2,042, with 57 in Colorado
Facts: WilmerHale is an international law firm committed to quality legal services, diverse lawyers and staff, and public service.
No. 29
Years named: 8
Founded: 1998
Headquarters: Broomfield
Employees: 128
Locations: 1
Facts: ICAT provides catastrophe insurance coverage to business owners and homeowners in hurricane- and earthquake-exposed areas in the United States.
No. 30
Muller Engineering Company Inc.
Years named: 7, 2 consecutive
Founded: 1980
Headquarters: Lakewood
Employees: 142
Facts: Auller Engineering Company, Inc., is an employee-owned civil engineering consulting firm specializing in planning and designing transportation facilities, water resources projects, stormwater and flood control management, and water and wastewater utilities.
No. 31
Years ranked: 4, 2 consecutive
Founded: 1993
Headquarters: Lakewood
Employees: 73, with 62 in Colorado
Locations: 3
Facts: Pinyon Environmental is a woman-owned environmental consulting firm serving Colorado clients. It offers air quality and noise services, biological resources, engineering and compliance, industrial hygiene, landscape architecture, and more.
No. 32
Years ranked: 1
Founded: 2012
Headquarters: Aurora
Employees: 76, with 59 in Colorado
Facts: DeNOVO Solutions is a veteran-owned small business that provides engineering and professional services to the Intelligence Community (I.C.).
No. 33
Years ranked: 8, 3 consecutive
Founded: 1985
Headquarters: Englewood
Employees: 114
Facts: CCIG is recognized as one of Colorado’s leading insurance brokerages. It provides property, casualty, and life insurance to clients throughout the region, as well as benefits and risk management services for businesses.
No. 34
Years ranked: 1
Founded: 1864
Headquarters: Des Peres, Missouri
Employees: 2,696, with 54 in Colorado
Facts: McCarthy has expertise in various building categories, including healthcare, education, commercial, renewable energy, and more.
No. 35
Years named: 3, 2 consecutive
Founded: 1985
Headquarters: Sheridan
Employees: 120, with 92 in Colorado
Facts: D.M. Construction is a full-service exterior cladding contractor that offers over 15 services, including stone, stucco, brick, and renovation.
No. 36
Brothers Plumbing, Heating and Electric
Years named: 7, 2 consecutive
Founded: 1980
Headquarters: Denver
Employees: 98
Facts: Brothers Plumbing, Heating, and Electric is a family-owned business that offers plumbing, heating, air conditioning, electrical, drain, and water heater services.
No. 37
Years ranked: 6
Founded: 2012
Headquarters: Denver
Employees: 57
Facts: Choozle is a digital advertising platform that uses consumer data to power programmatic campaigns across various mediums, including display, video, mobile, and connected T.V.
No. 38
Years ranked: 3
Founded: 1982
Headquarters: Houston
Employees: 1,776, with 73 in Colorado
Locations: 10
Facts: Camden Property Trust is a real estate investment trust that owns and manages 172 apartment communities across the United States. The company’s name is derived by combining the founders’ names, Ric Campo and Keith Oden.
No. 39
Years ranked: 1
Founded: 2005
Headquarters: Indianapolis
Employees: 200, with 50 in Colorado
Facts: InPwr Inc. is an award-winning electrical design and build firm based in Indianapolis with regional offices in Denver and Los Angeles. InPwr Inc. is licensed in over 40 states and has a broad portfolio of projects nationwide.
No. 40
Years ranked: 1
Founded: 1960
Headquarters: Indianapolis
Employees: 394, with 64 in Colorado
Locations: 2
Facts: Haynie & Company is a tax, audit, and business consulting firm with 14 locations across Utah, Colorado, Texas, Nevada, and Arizona.
No. 41
Years ranked: 2
Founded: 2016
Headquarters: Denver
Employees: 137
Facts: Parkwell manages a diverse and growing portfolio of parking facilities and valet services along the Front Range with locations in Boulder, Downtown Denver, Rino, Cherry Creek, Lohi, Golden Triangle, and beyond.
No. 42
Years ranked: 3
Founded: 1982
Headquarters: Denver
Employees: 66
Facts: CAP Logistics specializes in providing freight solutions to industries that cannot afford expensive downtime.
No. 43
Years ranked: 3
Founded: 1998
Headquarters: Golden
Employees: 65
Locations: 4
Facts: Baseline Engineering is an employee-owned company that provides civil engineering, surveying, environmental and planning services.
No. 44
Years ranked: 7, 5 consecutive
Founded: 2001
Headquarters: Denver
Employees: 130, with 105 in Colorado
Locations: 3
Facts: Greystone Technology Group is a privately held company that provides I.T. services to businesses in Denver, Fort Collins, Boulder, and the New York City metro area.
No. 45
Years ranked: 1
Founded: 1981
Headquarters: Lakewood
Employees: 71
Locations: 3
Facts: ERO Resources Corporation is an environmental services company that specializes in natural resource and environmental assessment, planning, and permitting.
No. 46
Years ranked: 2
Founded: 1987
Headquarters: Golden
Employees: 440, with 74 in Colorado
Facts: Maptek provides software, hardware, and services for the mining industry, including 3D modeling, spatial analysis, and design technology.
No. 47
Years ranked: 2
Founded: 1985
Headquarters: Burlingame, Calif.
Employees: 350, with 50 in Colorado
Facts: ECC provides clients with comprehensive environmental remediation and engineering services. The company has expanded its core capabilities to include construction, design-build, energy, and munitions response services.
No. 48
Years ranked: 3
Founded: 1984
Headquarters: Greenwood Village
Employees: 50
Locations: 1
Facts: REcolorado is the state’s largest Multiple Listing Service (MLS) and partners with over 26,000 real estate professionals. It provides real estate information, services, and insights to help agents, brokers, and appraisers collaborate with clients.
No. 49
Years named: 1
Founded: 1951
Headquarters: Arvada
Employees: 121
Locations: 5
Facts: Sooper Credit Union has 37,990 members and is the 10th-largest credit union in Colorado and the 614th-largest in the nation.
No. 50
Professional Assist Corporation
Years ranked: 6
Founded: 1987
Headquarters: Golden
Employees: 58
Facts: Professional Assist Corporation is a suite of membership associations that serves more than 100,000 members working in spa, salon, and wellness professions. In addition to liability insurance, the corporation provides continuing education, practice-building guidance, and legislative support.
No. 51
Years ranked: 6
Founded: 1927
Headquarters: St. Paul, Minnesota
Employees: 874, with 97 in Colorado
Facts: SEH is an employee-owned engineering, architectural, environmental, and planning company that helps government, industrial, and commercial clients solve complex challenges.
No. 52
Years ranked: 1
Founded: 1972
Headquarters: Westminster
Employees: 72
Locations: 1
Facts: Melco International designs and manufactures commercial embroidery machines and software.
No. 53
Years ranked: 3
Founded: 2003
Headquarters: Brecksville, Ohio
Employees: 8,000, with 93 in Colorado
Facts: CrossCountry Mortgage is a nationwide full-service lender that’s been named to the Inc. 5000 List of America’s Fastest-Growing Companies ten times.
No. 54
Years ranked: 5
Founded: 1961
Headquarters: Lakewood
Employees: 66
Facts: The RMH Group offers mechanical, electrical, and industrial services, including planning, design, LEED consulting, ENERGY STAR consulting, energy modeling, and lighting/daylighting modeling.
No. 55
Years ranked: 1
Founded: 2003
Headquarters: Dallas
Employees: 925, with 89 in Colorado
Facts: KidsCare Home Health is a pediatric home health agency that serves children with special needs. Services include nursing, speech therapy, occupational therapy, physical therapy, and case management.
No. 56
Homewatch Caregivers of North Suburban Denver and Boulder County
Years ranked: 1
Founded: 2011
Headquarters: Longmont
Employees: 120, with 85 in Colorado
Facts: Homewatch Caregivers offers in-home caregiving services for people of all ages.
No. 57
Years ranked: 1
Founded: 1937
Headquarters: Bethesda, Maryland
Employees: 1,447, with 59 in Colorado
Facts: Walker & Dunlop, LLC is a commercial real estate finance and advisory services firm.
No. 58
Years ranked: 1
Founded: 1986
Headquarters: Indianapolis
Employees: 615, with 58 in Colorado
Facts: Thompson Thrift is a full-service real estate company that develops multifamily, mixed-use, retail, industrial, and commercial projects nationwide.
No. 59
Years ranked: 1
Founded: 1873
Headquarters: Broomfield
Employees: 18,000, with 74 in Colorado
Facts: Epiroc develops and produces innovative, safe, and sustainable equipment, including drill rigs, rock excavation and construction equipment, and tools for the mining and infrastructure industries.
No. 60
Pella Denver and Northern Colorado
Years ranked: 1
Founded: 1925
Headquarters: Denver
Employees: 120
Locations: 3
Facts: Pella Denver and Northern Colorado supplies residential and commercial windows and doors to customers from Denver to Glenwood Springs.
No. 61
Years ranked: 7, 6 consecutive
Founded: 2006
Headquarters: Denver
Employees: 63
Facts: Pinnacle Real Estate Advisors is a full-service commercial real estate brokerage firm that focuses on delivering innovative real estate solutions that are client-centric and relationship-focused.
No. 62
Years ranked: 3
Founded: 2018
Headquarters: Denver
Employees: 2,200, with 52 in Colorado
Facts: Dividend Restaurant Group, the owner of Eddie Merlot’s, Sullivan’s Steakhouse, and Beauty and the Burger, brings together some of the country’s best-known brands.
No. 63
Years ranked: 1
Founded: 2012
Headquarters: Baltimore, Maryland
Employees: 900, with 111 in Colorado
Facts: S3 Shared Service Solutions, LLC is a Credit Union Service Organization that provides banking, real estate lending, and finance services to credit unions.
