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Top Tech Companies in Denver & Boulder, CO (6,115)

Westmoreland Mining LLC
Energy • Industrial
2 Offices
791 Employees
Hiring Now

Westmoreland Mining LLC is a North American mining and energy enterprise rooted in Pennsylvania coal mining since 1854. It supplies energy to power plants through mine-to-mouth facilities and describes its mission as providing essential mining- and energy-related solutions, products, and services. The company aims to diversify beyond coal, with opportunities including diversified energy sources, mine contracting, and reclamation, while emphasizing...

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Westmoreland Mining LLC
Quantive
Cloud • Enterprise Web • Productivity • Software • Business Intelligence
Denver
366 Employees
25 Benefits
Quantive enables organizations to connect the dots between strategy and execution.

Quantive (formerly Gtmhub) offers the world’s most effective organizational success system, bridging the gap between strategy and execution. Rooted in a sophisticated Objectives and Key Results (OKR) platform, Quantive's solution enables real-time decision making for accelerated growth and leading to transformational change.

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Quantive
Attolist
Other • Software
Denver

Attolist developed AEC-Sync, a web-based, construction collaboration softare product.

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Attolist
Kakoona
Music
Boulder
3 Employees

While life’s not that bad for some musicians, most aren’t getting their fair share, even with the myriad of music services available on the web today. Kakoona operates based on the simple notion that technology should bring fans closer to the musicians they love, while respectfully compensating them in the process. That’s why we built a service that gives musicians...

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Kakoona
GeoLens
Mobile • Productivity • Real Estate • Software
Broomfield
4 Benefits

GeoLens is the only collaborative site intelligence platform built to support the life-cycle of real estate site development allowing developers and builders to accelerate production and owners to extend lifespan.

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GeoLens
Mentor Spaces
Denver

Mentor Spaces is a community-driven mentorship platform designed to make it easier for companies to attract, hire and retain underrepresented talent. As the largest mentorship community for underrepresented professionals, the platform facilitates conversations with experts aligned to one’s professional interests and goals. Mentor Spaces allows companies to cultivate relationships with underrepresented talent ahead of formal recruiting events. Companies use Mentor...

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Mentor Spaces
Interim Healthcare of Montgomery County
Other • Professional Services
47 Offices
43,000 Employees

Interim Healthcare of Montgomery County is a family-operated, nurse-owned senior care provider based in Clarksville, Tennessee. They specialize in helping seniors age in place through personalized and compassionate care, offering services such as home healthcare, hospice, and medical staffing. Their mission is to ensure comfort, safety, and dignity for their clients through a holistic approach to well-being.

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Interim Healthcare of Montgomery County
Postscapes
Consumer Web
Morrison
1 Employees

Postscapes tracks the emerging "Internet of Things". Our mission is to aggregate and connect the ideas, people, and companies creating the topic. This site will be useful if you are:Wanting to know about smart cities/objects, data gathering and visualizationsCurious about home automation and smart energy devicesInterested in sensor data for people, buildings and environmentsConcerned about the privacy and security of these...

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Postscapes
WellcomeMat
AdTech • Real Estate
Boulder
7 Employees

WellcomeMat is making sure there are videos answering every question consumers have when looking for new places to live, work and play. Our software and API is the most relied upon media platform in real estate powering video for thousands agents, many of the industry’s leading brokerages/brands, and over 5000 video production companies nationwide.

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WellcomeMat
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Causal Design
Other • Social Impact • Analytics • Consulting
Denver
15 Employees
7 Benefits
Poverty-focused international development research and evaluation Firm.

Causal Design is an economic consulting firm managing rigorous program evaluations and analysis for international development organizations. Our evaluations are designed to provide timely and practical information to decision-makers working to end poverty and inequality.

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Causal Design
Rimilia
Fintech • Software
Aurora
100 Employees
10 Benefits

Rimilia creates software finance people love by helping them eliminate archaic practices of tracking cash and managing credit collections. Rimilia provides companies around the globe with faster cash allocation, clearer information, and better control over cash flow and works with any currency, any bank, any ERP, in any country and language.

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Rimilia
City of Aurora
Information Technology • Professional Services • Security • Utilities
2 Offices
955 Employees
27 Benefits

The City of Aurora, Colorado, is a government entity focused on providing city services, fostering economic development, and unifying diverse communities. It is known for its award-winning water quality and public safety services.

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City of Aurora
iGivefirst
AdTech • Consumer Web
Denver
4 Employees

iGivefirst was started by a group of people from the Denver area who wanted to use their technology chops to do some good. We looked around and saw some pretty important parts of our lives had been disrupted by the Internet. Music. Movies. Communications. Shopping. You get the idea.Surprisingly, all of these advances of technology had not touched charitable giving....

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iGivefirst
Amadeus Consulting
Mobile • Software
Boulder
85 Employees

Started in 1994, Amadeus Consulting has grown from a custom software development company into a full-scale creative technology solutions company, that specializes in everything from large-scale and complex software application development, to mobile application development, 24x7 software maintenance, search visibility and conversion rate optimization and user experience design. Newer service line, Amadeus Talent, hires exceptional technology and creative Talent for Amadeus Consulting...

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Amadeus Consulting
Think Big Software
Internet of Things • Software
Denver
2 Employees

We are an innovative web development team founded in London, UK and now based in Denver, Colorado, USA. We've been building quality websites and web applications for over a decade. We get to know our clients. We go the extra mile to understand the personalized needs of every partner and we are passionate about turning that vision into reality.

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Think Big Software
Adtaxi
Agency • Digital Media
8 Offices
140 Employees
16 Benefits

Adtaxi is a client-centric digital organization that brings scale, precision, and sophistication to digital marketing. Leveraging the belief that people matter as much as technology, we help advertisers solve complex marketing challenges with custom, performance-driven solutions.

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Adtaxi

Adtaxi's Top Stability & Growth Strengths

Strategic Partnerships: Partnerships with Google, Meta, TikTok, and The Trade Desk are highlighted as differentiators and reinforced by platform badges that validate capability and provide elevated support. Feedback suggests these relationships enhance channel access and competitiveness across programmatic, search, social, and CTV.

Future-Ready Strategy: The company emphasizes expansion of AI-powered tools, cross-channel attribution, and proprietary methodologies (e.g., Quantum), signaling forward-looking investment. Available materials describe ongoing thought leadership and product updates aligned to growth areas like CTV and retail media.

Strong Brand Reputation: Awards, event sponsorships, and frequent industry contributions portray a visible, recognized mid-market presence. Public positioning as a “leading” agency, combined with award shortlist mentions, supports credible standing within its segment.

Dealer Alchemist
Agency • Automotive • Marketing Tech
Fully Remote
87 Employees

Dealer Alchemist is a dealer-centric digital advertising agency focused on the automotive industry. It provides dealership clients with technology products spanning websites, search, social, OTT, SEO, and analytics, while its proprietary CORe platform is designed to improve conversion, advertising-spend efficiency, and transparency. The company supports clients through account management and performance-focused marketing services, emphasizing measurable results, customer retention, and long-term...

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Dealer Alchemist
Computronix
Software
Lakewood
200 Employees
15 Benefits

At Computronix, we value strong relationships with our clients. For over 30 years, we have listened to our clients and given them what they’ve asked for – high quality customer service, ethical business practices and superior software. We understand that State, Provincial and Metro government departments and agencies need to streamline and automate

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Computronix
Head Rush Technologies
Louisville
37 Employees

Are you ready to power epic adventures? Based 15 minutes from beautiful Boulder, Colorado, Head Rush Technologies is on a mission to power the most epic adventures in the world. Leveraging our passionate approach to adventure safety, we create and service clearly superior products and solutions for businesses at height. This includes innovative equipment for the outdoor, amusement and recreation...

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Head Rush Technologies
EasyMile
Automotive
Denver

EasyMile is a pioneer in driverless technology and smart mobility solutions. The fast-growing start-up develops software to automate transportation platforms without the need for dedicated infrastructure.

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EasyMile

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