| # | Company | Employees |
|---|---|---|
| 1 |
Red Robinredrobin.com
Operates casual dining restaurants across U.S. and Canada, offering American food, fun, and a playful atmosphere for guests. |
14,265 |
| 2 |
Empowerempower.com
Providing personalized financial tools and wealth management services to help millions achieve financial confidence and pursue their unique goals. |
13,747 |
| 3 |
American Medical Responseamr.net
Leading provider of medical transportation services including emergency response, interfacility transport, event medical support, and disaster response as part of Global Medical Response family |
11,905 |
| 4 |
Oak View Groupoakviewgroup.com
The company aims to bring positive disruption to sports, live entertainment, and hospitality industries through innovative solutions and strategies |
4,986 |
| 5 |
Air Methodsairmethods.com
Provider of emergency air medical transport and treatment, with a skilled workforce dedicated to saving lives and providing access to critical care nationwide |
4,416 |
| 6 |
Goldcorpnewmont.com
Leading global gold producer with diversified metals portfolio, operating in multiple continents, emphasizing safety, governance, and value creation. |
4,106 |
| 7 |
Xanterra Travel Collectionxanterrajobs.com
The company operates lodges, restaurants, and concessions in national and state parks, offering exceptional travel experiences and prioritizing health and safety |
1,986 |
| 8 |
Homewatch CareGivershomewatchfranchise.com
A pioneering company in home care, dedicated to excellence and staying current with advancements, best practices, and policies in the industry |
1,921 |
| 9 | 1,877 | |
| 10 |
CoBankcobank.com
A cooperative bank providing financial services to agribusinesses, rural power, water, and communications providers nationwide, supporting US agriculture and rural communities |
1,601 |
| 11 |
SSBtwocircles.com
Company specialized in providing solutions that have been acquired by KORE For future updates, follow KORE |
1,593 |
| 12 |
Floyd's 99 Barbershop
Specializing in haircuts, our expert stylists and barbers provide custom experiences to help you look and feel your best |
1,527 |
| 13 |
ClearChoice Dental Implant Centerscareers.clearchoice.com
Offers comprehensive dental implant treatments. A team of doctors and specialists provides all-in-one location services, including consultation, lab work, procedure, and recovery, with transparent pricing. |
1,318 |
| 14 |
Century Communities, Inc. (NYSE:CCS)centurycommunities.com
One of the nation's largest public homebuilders offering mortgage, insurance, and career growth opportunities with a focus on providing "A Home For Every Dreamยฎ" |
1,276 |
| 15 |
ISEC, Inc.isecinc.com
Nationwide employee-owned specialty contractor providing end-to-end construction solutions through global manufacturing networks, self-perform models, and integrated project management from concept to final close-out. |
1,201 |
| 16 |
Merrick & Companymerrick.com
Employee-owned professional firm providing engineering, architecture, surveying, and geospatial solutions to clients in energy, national security, life sciences, and infrastructure markets Offering corporate responsibility programs |
1,162 |
| 17 |
Shane Co.shaneco.com
A family-owned jewelry business since 1929, offering personalized service, quality craftsmanship, unique designs, and a passion for sourcing beautiful gemstones worldwide |
1,096 |
| 18 |
Wellbridgewellbridge.com
A leading fitness management company since 1983, offering exclusive fitness and wellness experiences at 10 clubs and spas across the US Passionate about improving lives through professional advice and guidance |
893 |
| 19 |
Great-West Investmentsempower.com
Investment manager specializing in retirement solutions, leveraging insights from affiliations with a major retirement firm to cater to thousands of plans and investors |
831 |
| 20 |
Grease Monkey International, LLCgreasemonkey.com
A leading franchisor of automotive maintenance centers with over 300 locations in the US and Mexico, serving over 2 million customers annually since 1978 |
810 |
| 21 |
Fastaff Travel Nursingfastaff.com
A pioneer in Rapid Response travel nurse staffing, providing urgent temporary nurses to healthcare facilities with flexible assignments to meet staffing needs in 10 days or less |
790 |
| 22 |
Minovaminovaglobal.com
Provider of high-quality ground support and geotechnical solutions for mining, tunnelling, and surface ground engineering projects worldwide. |
771 |
| 23 |
Crรจme de la Crรจme, Inc.cremedelacreme.com
High-quality childcare center focused on providing a safe, nurturing environment and exceptional educational experiences for children, recognized for excellence across multiple states |
766 |
| 24 |
NTT Global Networksnttglobal.net
A leading managed network services provider specializing in SD-WAN, LAN, Security services, and network analytics to simplify global network management for enterprises |
764 |
| 25 |
GH Phipps Construction Companiesghphipps.com
A full-service general contracting company specializing in new construction and renovation in various market sectors across Colorado and Wyoming |
678 |
| 26 |
Water For Peoplewaterforpeople.org
Addressing global water and sanitation challenges by ensuring reliable, sustainable services for all, empowering communities and governments for lasting impact |
619 |
| 27 |
GO Car Washgocarwash.com
A fast-growing car wash company with over 130 sites across 8 states, focused on providing exceptional customer experiences through acquisitions, new builds, and partnerships |
581 |
| 28 |
Rocky Mountain Cancer Centersrockymountaincancercenters.com
A leading provider in Colorado of comprehensive care for patients with cancer and blood disorders within the community |
523 |
| 29 |
Wheel Proswheelpros.com
A provider of automotive enhancements through various lifestyle brands, serving enthusiasts globally with distribution centers in North America, Australia, and Europe |
520 |
| 30 |
Cherry Creek Mortgage, LLCcherrycreekmortgage.com
Cherry Creek Mortgage, a division of Guild Mortgage, provides residential mortgage loans in multiple states, emphasizing equal opportunity and regulatory compliance |
502 |
| 31 |
Project Resources Group, Inc.prgus.com
Leading provider of construction management and outside plant damage investigation and recovery services for telecommunication and utility industries since 2001 |
494 |
| 32 |
Trinidad Benhamtrinidadbenham.com
An employee-owned company providing innovative solutions for retail, food service, and institutional customers across multiple locations in the United States |
463 |
| 33 |
York Space Systemsyorkspacesystems.com
Aerospace company revolutionizing spacecraft affordability and reliability, offering complete mission solutions and spacecraft platform manufacturing for global space missions |
453 |
| 34 |
Spaviaspaviafranchise.com
A spa offering high quality, affordable massage, facial, and body treatments in a relaxing environment, focused on promoting relaxation, escape, and well-being |
445 |
| 35 |
NSA Storageir.nsastorage.com
A real estate investment trust focused on owning, operating, and acquiring self storage facilities nationwide |
419 |
| 36 |
Reventicsreventics.com
Physician-focused company improving clinical documentation and revenue cycle management through innovative solutions tailored to each client for increased efficiency and revenue |
406 |
| 37 |
Selling Simplifiedfoundryco.com
Global B2B demand generation services using proprietary technology and first-party data to connect businesses with buyers through compliant marketing outreach solutions. |
406 |
| 38 |
Access2Careaccess2care.net
Innovative services and technologies transforming medical care delivery including managed transportation, online ordering, transfer coordination, nurse navigation, and ET3 partnerships |
397 |
| 39 |
StarRez, Inc.starrez.com
A leading provider of housing accommodation automation software solutions for residential communities worldwide with unmatched experience and proven product solutions for customer success |
395 |
| 40 |
Bellco Credit Unionbellco.org
This company is a credit union in Colorado that focuses on providing friendly service, great rates, and financial empowerment to its members |
385 |
| 41 |
SCRAM Systemsscramsystems.com
A leading provider of electronic monitoring and software solutions for the criminal justice industry, offering innovative technologies to monitor offenders |
381 |
| 42 |
Galloway & Company, LLCgallowayus.com
A multidisciplinary firm in architecture, engineering, and survey services, providing full support for development projects with a collaborative, client-focused approach |
378 |
| 43 |
National Corporate Housingnationalcorporatehousing.com
A global leader in customized corporate housing and 360-degree services, offering temporary housing solutions worldwide to ensure comfort and convenience |
363 |
| 44 |
VITAC, a Verbit companyvitac.com
A leading full-service captioning and accessibility company offering live and prerecorded captioning, audio description, subtitling, dubbing, and transcription services |
361 |
| 45 |
NexusTeknexustek.com
National managed IT services provider offering end-to-end IT solutions for SMBs, including cloud, cybersecurity, disaster recovery, and 24/7 support |
354 |
| 46 |
EverDriveneverdriven.com
This company provides alternative transportation solutions for students with special needs, including wheelchair accessibility and safety features, ensuring safe and efficient travel to school |
331 |
| 47 |
Heartland Institute of Financial Educationhife-usa.org
A national nonprofit organization promoting financial literacy in America through experienced instructors with Certified Financial Educator designation |
326 |
| 48 |
Community Banks of Coloradocobnks.com
A division of NBH Bank serving Colorado with a comprehensive portfolio of products and services for commercial, consumer, and small business clients |
323 |
| 49 |
Tri-County Health Departmenttchd.org
Public health department serving Adams, Arapahoe, and Douglas counties, offering a range of health services and programs before closing on 12/31/22 |
219 |
| 50 |
Crestcom Internationalcrestcom.com
A global leader in leadership development, offering live-facilitated sessions with subject matter experts, interactive practice, and a mobile app for tracking progress |
209 |
| 51 |
Haynes Mechanical Systemshaynesmechanical.com
A technical HVAC service company specializing in providing operational and financial strategies to commercial real estate clients, reducing costs and carbon footprint |
202 |
| 52 |
Mountain View Pain Centermvpc.com
Specializing in physical therapy, pain management, chiropractic services, and acupuncture to treat chronic pain and injuries, promoting total body health at 17 locations |
199 |
| 53 |
Madison & Company Properties LLCmadisonprops.com
Boutique real estate firm in Denver with experienced brokers offering expert advice for buying, selling, and investing in real estate properties Unlimited access to listings available |
186 |
| 54 |
AAA Coloradoaaa.com
A leading AAA club providing safety, security, and peace of mind with a full suite of products and services for millions of members |
183 |
| 55 |
GrowGeneration Corpgrowgeneration.com
Leading supplier of hydroponics products with 60+ retail centers, offering a wide range of equipment, nutrients, and solutions for growers |
182 |
| 56 |
Xanterraxanterra.com
A historic company offering upscale travel experiences including biking, walking, railway, cruising, sailing, and touring on six continents Specializing in properties near national parks |
181 |
| 57 |
Information Technology Engineering LLCclearancejobs.com
The company provides support for mission-critical programs for the DoD and Intelligence community, offering competitive pay and employee benefits |
163 |
| 58 |
PatientNowpatientnow.com
A comprehensive solution for elective medical practices, offering integrated EMR, Practice Management, Patient Engagement, Digital Marketing, and Photo Management services |
156 |
| 59 |
Aspen Academyaspenacademy.org
Innovative education center focusing on leadership and entrepreneurial development for Pre-K through 8th grade students, with small classes and award-winning faculty |
152 |
| 60 |
Armstrong Steelarmstrongsteel.com
Manufacturer of pre-engineered metal buildings with focus on low prices, quality, energy efficiency, and customer satisfaction Offers warranty and LEED Green Building options |
151 |
| 61 |
FullSpeed Automotivefullspeedautomotive.com
A leading automotive aftermarket services platform offering oil changes, tire sales, brake services, car washes, and more through multiple brands |
150 |
| 62 |
Asset Living Denverassetliving.com
A Houston-based real estate management firm founded in 1986, offering property management, asset management, receivership, and investment services nationwide |
133 |
| 63 |
USI Colorado LLCusi.com
A leading industry leader providing tailored property & casualty, employee benefits, personal risk, and retirement solutions with a strong focus on client service and innovation |
83 |
| 64 |
PIN - Power In Numberspinbn.com
A data-driven marketing platform that converts numbers into customer insights, enables precise targeting, and drives customer growth through strategic deployment |
32 |
| 65 |
Unison Systemsunisonsystems.com
A professional services firm providing IT solutions and staffing for Fortune 1000 and mid-market companies, focusing on aligning IT resources with business objectives |
29 |
| 66 |
Heirloom Wealth Managementheirloomwm.com
Heirloom Wealth Management provides personalized financial planning and asset management services, focusing on building lasting relationships with clients through trust and superior service |
24 |
| 67 |
The Chotin Group Corporationchotin.com
A leader in real estate and structured finance, specializing in managing mortgage-related assets, securitization, commercial and residential real estate investments |
21 |
| 68 |
ToolCASE LLCtoolcase.com
Specializing in customized AI and machine learning solutions, we provide global leaders in business automation, fraud detection, and data interpretation |
19 |
| 69 |
Quanta Power Generation, Inc.ryancompany.net
A full-service EPC energy solutions provider offering flexible and comprehensive services for utility-scale and distributed generation renewable energy projects and energy storage |
18 |
| 70 |
Enterprise Technology Internationalenterpriseti.com
An ICT company providing digital solutions to various industries and public sectors, focusing on AI, Cloud, Mobility, IoT, Security, and Technology as a Service |
16 |
| 71 | 13 | |
| 72 |
T4S Partners, Inc.t4spartners.com
A premier IT and business solutions consulting firm specializing in optimizing systems, transforming service management, leveraging cloud technology, and achieving digital transformation objectives |
12 |
| 73 |
Coulton Creek Capitalccrcapital.com
Private investment firm providing capital solutions ranging from $10 million to $250 million for real estate and commercial enterprises, partnering with various investors for growth |
9 |
| 74 |
SLG Chemicals, Inc.slginc.com
Leading manufacturer and marketer of consumer products with trusted and recognized brand names sold nationally and internationally for over 70 years |
8 |
| 75 |
Tenawa Resource Management LLCtenawa-rm.com
A Colorado-based company offering midstream solutions through strategic partnerships Specializes in natural gas processing and helium recovery in the Mid-Continent region |
7 |
| 76 |
GDA REAL ESTATE SERVICES, LLCgdarealestateservices.com
A commercial real estate company based in Colorado, specialized in acquisition, disposition, leasing and management of retail shopping centers across multiple states |
6 |
| 77 |
Arion Energyarionenergy.com
Specializing in developing renewable energy projects worldwide, with a focus on solar, wind, and biogas |
4 |
| 78 |
Quanta Power, Inc.quantapower.net
A Colorado-based company offers EPC services for various markets including power, transmission, renewable energy, and government projects |
4 |
| 79 |
Doctor to Doctor Sales Solutionsdoctortodoctorsales.com
Doctor to Doctor provides contract sales services for companies in healthcare, connecting clients with key decision makers to promote innovative medical products and services |
2 |
| 80 |
Connection Venturesconnectionventures.com
An investment firm supporting technology startups and entrepreneurs through funding, consulting, and incubation to drive scale and growth with critical resources |
2 |
Turn this list into pipeline
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.
The same list elsewhere in United States
- The largest companies in the United States 91,669
- The largest companies in California 12,813
- The largest companies in New York State 10,485
- The largest companies in Texas 8,086
- The largest companies in Florida 4,945
- The largest companies in Illinois 4,175
- The largest companies in Pennsylvania 3,110
- The largest companies in Massachusetts 3,093
- The largest companies in Georgia 2,632
- The largest companies in Ohio 2,618
- The largest companies in New Jersey 2,569
- The largest companies in Virginia 2,503
- The largest companies in Michigan 2,346
- The largest companies in North Carolina 2,174
- The largest companies in Alabama 1,806
- The largest companies in Washington State 1,785
- The largest companies in Colorado 1,774
- The largest companies in Minnesota 1,700
- The largest companies in Maryland 1,527
- The largest companies in Wisconsin 1,482
- The largest companies in New York 6,920
- The largest companies in San Francisco 2,030
- The largest companies in Houston 1,791
- The largest companies in Chicago 1,668