The best midsize companies to work for in Colorado
No. 1
Years ranked: 1
Founded: 2005
Headquarters: Littleton
Employees: 162
Locations: 1
Facts: Colorado Home Realty is a community of successful, strong, curious and ambitious individuals redefining real estate success on their own terms.
No. 2
Years ranked: 9
Founded: 2008
Headquarters: Denver
Employees: 210
Locations: 6
Facts: Madison & Co. focuses on providing broker support and a collaborative team environment with an extensive mentoring program.
No. 3
Years ranked: 4
Founded: 2017
Headquarters: Lakewood
Employees: 254
Locations: 6
Facts: West + Main is an independently-owned and operated boutique real estate company specializing in residential properties in Downtown Denver and the Front Range communities.
No. 4
Years ranked: 2
Founded: 2016
Headquarters: Washington, D.C.
Employees: 430, with 151 in Colorado
Facts: Caribou offers a simple, transparent process to help consumers refinance their auto loans and lower their monthly payments.
No. 5
Years ranked: 1
Founded: 2003
Headquarters: Tustin, California
Employees: 4,500, with 152 in Colorado
Facts: As the largest Latina-owned mortgage company in the U.S., New American Funding helps tens of thousands of individuals and families buy a home or refinance their mortgage every year.
No. 6
Years ranked: 2
Founded: 2015
Headquarters: Alamosa
Employees: 374
Facts: Friday Health Plans builds insurance plans for people and small businesses. The company offers affordable health plans that help members stay healthy and cover them if they get sick or hurt.
No. 7
Years ranked: 1
Founded: 2016
Headquarters: Greenwood Village
Employees: 215
Facts: Nextworld provides an enterprise cloud development platform. Its software offers analytics, reporting, security, process automation, testing, system administration and more.
No. 8
Years ranked: 1
Founded: 2012
Headquarters: Aurora
Employees: 155
Facts: Bibbeo is a nationally recognized technology solutions provider that provides service and installations across the U.S.
No. 9
Renewal by Andersen of Colorado
Years ranked: 8
Founded: 2011
Headquarters: Smithfield, Rhode Island
Employees: 2,400, 242 in Colorado
Facts: Renewal by Andersen serves more than 100 markets in the United States and has become one of the largest window replacement window companies in the country since opening its first store in Minnesota in 1995.
No. 10
Applewood Plumbing Heating & Electric
Years ranked: 9, 6 consecutive
Founded: 1973
Headquarters: Denver
Employees: 186
Facts: Applewood Plumbing Heating & Electric, known for its bright orange trucks, is one of Colorado’s only family-owned plumbing, heating, drain cleaning, cooling and electrical repair companies.
No. 11
Years ranked: 5
Founded: 1982
Headquarters: Greenwood Village
Employees: 200
Facts: Based in the Denver Tech Center, Galloway & Company provides planning, architecture, and engineering services for projects that range from half-acre pad sites to master-planned communities.
No. 12
Years ranked: 8
Founded: 2009
Headquarters: Boulder
Employees: 207
Facts: 8z Real Estate has 12 offices and more than 190 agents throughout Colorado. The company provides in-house mortgage, title, rentals, and insurance services.
No. 13
Years ranked: 10, 6 consecutive
Founded: 1996
Headquarters: Denver
Employees: 265
Facts: Physician Health Partners works with PHPprime and Colorado Community Health Alliance to provide healthcare to more than 500,000 Coloradans in Denver and Colorado Springs.
No. 14
Years ranked: 3
Founded: 1969
Headquarters: Denver
Employees: 190
Locations: 10
Facts: General Air Service & Supply is a third-generation, family-owned business and the largest independent gas and welding supplier in Colorado.
No. 15
Years ranked: 1
Founded: 2016
Headquarters: Denver
Employees: 283, 196 in Colorado
Facts: Fluid Truck is a technology-based rental platform that offers 24/7 mobile access to trucks, vans, and SUVs.
No. 16
Years ranked: 8
Founded: 1988
Headquarters: Houston, Texas
Employees: 1,900, with 198 in Colorado
Locations: 24 in Colorado
Facts: Cornerstone Home Lending is a full-service residential mortgage banker. Cornerstone’s home loan transactions are handled in-house to ensure the company meets its agreed-upon closing date.
No. 17
Years ranked: 9
Founded: 2005
Headquarters: Denver
Employees: 238
Locations: 6
Facts: PorchLight Real Estate Group offers concierge-style real estate services in the greater Denver metro area and Boulder. A 100% women-owned business, PorchLight has received numerous accolades. In addition to being named to The Denver Post’s Top Workplaces list for nine years in a row, won the Denver Business Journal’s Small Business Awards 2021 (XL category), and ranked as one of the Largest Denver-Area Women-Owned Businesses.
No. 18
Years ranked: 1
Founded: 1917
Headquarters: Fargo, North Dakota
Employees: 2,500, with 224 in Colorado
Facts: Eide Bailly is a top 25 CPA and consulting firm helping the middle market grow and thrive.
No. 19
Years ranked: 8
Founded: 1965
Headquarters: Littleton
Employees: 456, with 252 in Colorado
Locations: 5
Facts: LONG Building uses building technology services to make commercial, institutional, and industrial facilities of all types and sizes automated, efficient, green and safe.
No. 20
Years ranked: 9, 7 consecutive
Founded: 2008
Headquarters: Wheat Ridge
Employees: 170
Locations: 2
Facts: Visiting Angels of Denver provides supportive home care services for seniors and adults that allow them to safely stay in their homes and provide peace of mind to their families.
No. 21
Years ranked: 4, 3 consecutive
Founded: 1997
Headquarters: Cincinnati, Ohio
Employees: 8,000, with 186 in Colorado
Facts: TQL works with a network of more than 130,000-plus carriers to connect customers with shipping needs with carriers that have the available capacity and service offerings.
No. 22
Association of PeriOperative Registered Nurses
Years ranked: 3
Founded: 1949
Headquarters: Denver
Employees: 162
Facts: AORN is a national, non-profit membership association that represents the interests of more than 160,000 perioperative nurses nationwide by providing nursing education, standards, and practice resources, including the peer-reviewed, monthly publication AORN Journal. AORN’s 40,000 registered nurse members manage, teach, and practice perioperative nursing, are enrolled in nursing education, or are engaged in perioperative research.
No. 23
Years ranked: 1
Founded: 1998
Headquarters: Denver
Employees: 198
Facts: HUB International is a leading insurance brokerage providing products and services across North America.
No. 24
Years ranked: 3
Founded: 2017
Headquarters: Washington, D.C.
Employees: 336, with 187 in Colorado
Facts: Pie Insurance provides workers’ compensation insurance to small businesses in 36 states and the District of Columbia. The company also works with local, regional, and national insurance agencies to provide coverage to their clients.
No. 25
Years ranked: 8, 5 consecutive
Founded: 2002
Headquarters: Denver
Employees: 1,500, with 443 in Colorado
Locations: 2
Facts: Ping Identity provides cloud identity security solutions to more than 800 of the world’s largest companies, government organizations and cloud businesses. Ping Identity’s services allow more than 42 members of the Fortune 100 to secure the information of hundreds of millions of employees, customers and partners.
No. 26
Years ranked: 3
Founded: 1949
Headquarters: Washington, D.C.
Employees: 11,000, with 253 in Colorado
Facts: GSA Region 8 works strategically to spur economic development in the communities it serves. The agency awarded nearly $80 million in contracts to small businesses in fiscal year 2019.
No. 27
Years ranked: 4, 3 consecutive
Founded: 2013
Headquarters: Denver
Employees: 161
Facts: AFC Urgent Care offers fast and comprehensive medical care with short wait times and reasonable rates. The company provides quick and thorough healthcare services with an on-site laboratory and digital X-ray machine to improve the diagnosis and treatment of illnesses or injuries.
No. 28
Years ranked: 1
Founded: 2005
Headquarters: Greenwood Village
Employees: 159
Facts: The CE Shop is the leading provider of education for real estate agents and mortgage loan officers, with online courses available in every state and U.S. territory.
No. 29
Years ranked: 3
Founded: 2015
Headquarters: Denver
Employees: 158
Facts: CyberGRX operates the world’s largest cyber risk exchange platform, which gives its customers access to the cyber risk data of critical vendors, advanced analytics that prioritize mitigation efforts and fact-based insights. CyberGRX provides its clients with the tools they need to efficiently manage, monitor and mitigate risk.
No. 30
Years ranked: 9
Founded: 1976
Headquarters: Golden
Employees: 154
Facts: Spyderco started as a family-run business that operated from the back of a bread truck and has evolved to become a worldwide leader in the cutlery industry.
No. 31
Years ranked: 7
Founded: 1973
Headquarters: Centennial
Employees: 415, with 312 in Colorado
Locations: 3
Facts: Haselden Construction is a top general contractor on the Front Range that has provided exceptional, client-centric construction services in Colorado, Wyoming and the Western United States. The company provides general contracting, construction management, design-build, turnkey development and preconstruction services.
No. 32
Years ranked: 2
Founded: 2015
Headquarters: Glendale
Employees: 276
Facts: Hotel Engine is a high-growth travel tech company that makes lodging management easier for businesses. The company serves industries such as construction, transportation and logistics, oil and gas, retail, healthcare, and more.
No. 33
Years ranked: 7
Founded: 1954
Headquarters: Minneapolis, Minnesota
Employees: 4,500, with 205
Facts: Mortenson Construction was named the 18th Top Contractor of the Top 400 contractors in the U.S. by Engineering News-Record. Mortenson has built some of Denver’s most iconic projects, including Denver International Airport Hotel and Transit Center, Coors Field, Pepsi Center, Denver Art Museum and the Ralph L. Carr Colorado Judicial Center.
No. 34
Years ranked: 1
Founded: 1970
Headquarters: Chesterfield, Missouri
Employees: 1,700, with 300 in Colorado
Facts: Waterway serves the St. Louis, Kansas City, Denver, Cleveland, and Chicago markets with full-service car wash services, gas, and convenience store facilities.
No. 35
Years ranked: 5
Founded: 2005
Headquarters: San Jose, Calif.
Employees: 623, with 177 in Colorado
Facts: Xactly delivers a scalable, cloud-based enterprise platform for sales organizations, including setting sales quotas, planning territories, managing incentive compensation and predictive analytics.
No. 36
Cooper Heating and Cooling Inc.
Years ranked: 3
Founded: 1978
Headquarters: Broomfield
Employees: 160
Facts: Cooper Heating and Cooling is a full-service HVAC company that offers installation, repair, maintenance, and replacement services. Cooper was the first company in Colorado to seal duct joints with a putty-like paste to prevent air leakage. The technique is now an industry standard.
No. 37
Years ranked: 4, 2 consecutive
Founded: 2005
Headquarters: Niwot
Employees: 280
Facts: Wiland is a leading marketing intelligence agency that provides data-driven marketing solutions to thousands of clients across the United States.
No. 38
Years ranked: 2
Founded: 2014
Headquarters: Louisville
Employees: 153
Facts: AMP Robotics is modernizing the world’s recycling infrastructure by applying AI and robotics to increase recycling rates and recover recyclables reclaimed as raw materials for the global supply chain.
No. 39
Years ranked: 6
Founded: 1915
Headquarters: Denver
Employees: 656 with 650 in Colorado
Facts: Pinnacol Assurance provides workers’ compensation protection to 57,000 Colorado employers and their employees.
No. 40
Years ranked: 5
Founded: 1902
Headquarters: New York
Employees: 10,439, with 180 in Colorado
Facts: Turner Construction Company has a staff of almost 10,000 employees and completes $15 billion of construction on 1,500 projects each year.
No. 41
Years ranked: 4
Founded: 1944
Headquarters: Fargo, North Dakota
Employees: 917, with 212 in Colorado
Facts: Ulteig has more than 70 years of experience in the engineering design industry and provides its expertise in various infrastructure sectors, including power, renewables, transportation and communications.
No. 42
Years ranked: 1
Founded: 2001
Headquarters: Chicago
Employees: 1,700, 185 in Colorado
Facts: Kin + Carta is a global digital transformation consultancy with offices across the United States, Europe, South America and Singapore.
No. 43
Years ranked: 11
Founded: 1898
Headquarters: Kansas City, Missouri
Employees: 7,600, with 261 in Colorado
Facts: Burns & McDonnell is a 100% employee-owned architecture, engineering, and construction company made up of more than 7,600 engineers, architects, construction professionals, scientists, consultants and entrepreneurs with offices throughout the world.
No. 44
Years ranked: 1
Founded: 1931
Headquarters: Denver
Employees: 300
Facts: Colorado Public Employees’ Retirement Association (PERA) is the state’s largest public pension plan and provides retirement and other benefits to more than 630,000 current and former public employees.
No. 45
Years ranked: 2
Founded: 1913
Headquarters: Seattle
Employees: 2,900, with 153 in Colorado
Facts: Moss Adams is a fully integrated professional services firm dedicated to assisting clients with growing, managing, and protecting prosperity.
No. 46
Years ranked: 2
Founded: 1996
Headquarters: Cleveland, Ohio
Employees: 4,237, with 162 in Colorado
Facts: CBIZ is one of the nation’s top providers of accounting, tax and advisory services.
No. 47
Years ranked: 1
Founded: 1997
Headquarters: St. Louis, Missouri
Employees: 6,221, 162
Facts: PERIFICIENT operates as an information technology consulting firm. It designs and delivers business-driven information technology solutions, such as business analysis, portal, content management, integration, SOA, commerce, business intelligence, and customer relationship management.
No. 48
Security Service Federal Credit Union
Years ranked: 5, 3 consecutive
Founded: 1956
Headquarters: San Antonio, Texas
Employees: 1,800, with 300 in Colorado
Locations: 3 in Colorado
Facts: Security Service Federal Credit Union is one of the nation’s top 10 credit unions. It has more than $9.5 billion in assets and 774,000 members in Texas, Colorado and Utah.
No. 49
HCA Healthcare Continental Division/HealthONE
Years ranked: 1
Founded: 1991
Headquarters: Denver
Employees: 255, with 159 in Colorado
Facts: The HCA Healthcare Continental Division/HealthONE is among the largest healthcare systems in the metro Denver area with seven acute care hospitals, a pediatric hospital, a rehabilitation hospital, several free-standing emergency departments, numerous ambulatory surgery centers, CareNow urgent care and occupational medicine clinics, physician practices, and imaging centers.
No. 50
Years ranked: 1
Founded: 2002
Headquarters: Lakewood
Employees: 650, with 199 in Colorado
Facts: American Auto Shield specializes in third-party administration, providing nationwide coverage and claims services for vehicle and home service contracts offered through dealers, agents, direct marketers, membership organizations and lenders.
No. 51
Years ranked: 1
Founded: 2004
Headquarters: Seattle, Washington
Employees: 5,276, with 152 in Colorado
Facts: Redfin is a technology-powered real estate broker, instant home-buyer (iBuyer), lender, title insurer, and renovations company.
No. 52
Years ranked: 4
Founded: 1955
Headquarters: Englewood
Employees: 499
Locations: 9
Facts: AllHealth Network provides behavioral health care to more than 17,000 children, adults and 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. 53
Years ranked: 1
Founded: 2004
Headquarters: Greenwood Village
Employees: 1,650, with 336 in Colorado
Facts: ClearChoice offers quality and affordable dental implant care.
No. 54
Adolfson & Peterson Construction
Years ranked: 6, 5 consecutive
Founded: 1946
Headquarters: Aurora
Employees: 640, with 309 in Colorado
Facts: Adolfson & Peterson Construction is a family-owned company that offers preconstruction and construction services to the commercial, education, healthcare, hospitality, industrial, multifamily, municipal, recreation and senior living industries.
No. 55
Years ranked: 8
Founded: 2009
Headquarters: Redwood City, Calif.
Employees: 462, with 174 in Colorado
Facts: Personal Capital is an industry-leading digital wealth management company that manages more than $16.5 billion in assets.