| # | Company | Employees |
|---|---|---|
| 1 |
Vantage Data Centersvantage-dc.com
Designs and operates scalable, efficient, and sustainable data centers worldwide, serving hyperscalers, cloud providers, and large enterprises. |
2,484 |
| 2 |
STACK Infrastructurestackinfra.com
Provider of digital infrastructure solutions for hyperscale and enterprise companies worldwide, offering campus, colocation, and build-to-suit options in key regions |
1,183 |
| 3 |
CoreSitecoresite.com
An IT solutions provider offering highly connected data center campuses with direct cloud onramps for enterprises, cloud providers, and IT service providers |
675 |
| 4 |
Colorado Governor's Office of Information Technologyoit.colorado.gov
Leading government technology organization in Colorado, reimagining meaningful work with flexibility to digitally serve and support communities by powering technology and state services |
632 |
| 5 |
Cologix, Inc.cologix.com
Innovating data centers for the future, integrating hyperscale edge capacity with robust interconnection Providing industry-leading service and digital infrastructure support |
431 |
| 6 |
MCA Connectmcaconnect.com
The company specializes in providing manufacturing industry expertise, strategic solutions, digital transformation, and Microsoft Cloud services to help manufacturers succeed globally |
420 |
| 7 |
Apex ITapexit.com
A technology consulting firm providing enterprise solutions like Oracle and Salesforce, specializing in CRM, HCM, financial reporting, and Business Intelligence |
345 |
| 8 |
Contexturecontexture.org
A nonprofit organization supporting communities in advancing health through information sharing, focusing on delivering actionable information and analysis for individual and community wellness |
273 |
| 9 |
Nimble Gravitynimblegravity.com
An international team specializing in leveraging data and AI/ML tools to propel growth for organizations, particularly in eCommerce operations |
200 |
| 10 |
Vation Venturesvationventures.com
Helps leaders innovate, providing tools, technologies, and an ecosystem including a research platform, consulting services, and a global community of CXOs, VCs, and entrepreneurs. |
181 |
| 11 |
NIMBL, Techedge Groupbenimbl.com
NIMBL drives business transformation through agile solutions, business advisory, and technological expertise, helping clients achieve competitive advantages in the digital space |
179 |
| 12 |
Axcientaxcient.com
This company offers backup and disaster recovery solutions for MSPs to keep their clients secure at a lower cost |
178 |
| 13 |
Bitmovinbitmovin.com
Industry-leading video streaming infrastructure company pioneering adaptive streaming player, cloud-based encoding service, and flexible media solutions used by global customers |
169 |
| 14 |
Lewan Technologyxeroxbusinesssolutions.com
Business technology and managed service provider in Colorado, Wyoming, New Mexico with 40 years of experience, offering local solutions and support |
157 |
| 15 |
Tectonicgettectonic.com
A leading business technology consulting firm helping clients globally automate and modernize big data, analytics, CRM, and marketing technology in the cloud for transformative customer insights |
120 |
| 16 |
SelectHubselecthub.com
It provides a centralized platform for managing IT and software requirements, vendor evaluations, and procurement activities, enhancing efficiency and collaboration. |
61 |
| 17 |
Verticommverticomm.com
A technology solutions provider specializing in Cloud, IT, and Phone solutions for businesses nationwide, with a focus on customer service and top-notch industry solutions |
61 |
| 18 |
Stratastrataorg.com
The company provides strategy, architecture, and implementation services for technology needs, including business process optimization, implementation services, and data analytics solutions |
57 |
| 19 | 54 | |
| 20 |
One Technologyone-technology.com
A customer service focused enterprise technology partner specializing in data center modernization and cloud enablement for public and private sectors |
51 |
| 21 |
apidaysapidays.global
This company organizes conferences globally to promote the use of APIs for businesses to advance in the digital era of automation |
50 |
| 22 |
Sanity Solutionssanitysolutions.com
A 2004-founded company providing personalized IT solutions and services to maximize investments, optimize data management, and create competitive advantages for clients |
47 |
| 23 |
Panorama Consulting Grouppanorama-consulting.com
Independent consulting firm specializing in digital transformation and ERP implementations for mid- to large-sized organizations worldwide Technology agnostic, offering strategic alignment and tactical approaches |
42 |
| 24 |
Point of Referencepoint-of-reference.com
It helps companies utilize customer advocates to enhance growth and strengthen brands through advanced technology and dedicated support services. |
22 |
| 25 |
G73 Data Solutionsg73data.com
A data science-meets-marketing tech team specializing in location intelligence, geospatial strategy, and solving geospatial challenges for clients and partners |
16 |
| 26 |
OpenTentopentent.com
Specializing in Salesforce implementation, coaching, and organizational process design for purpose-driven teams to achieve long-term sustainable success |
14 |
| 27 |
Netlogistik USnetlogistik.com
Specializing in digital supply chain transformation, with decades of experience and global reach, offering tailored logistics solutions to drive business growth |
14 |
| 28 | 13 | |
| 29 |
AukProaukpro.com
The company provides technology strategy, SaaS products, and managed services for digital industry transformation, specializing in CloudsInaBox and CSCInaBox solutions |
11 |
| 30 | 6 | |
| 31 |
Nereus Cyber Systemsnereuscybersystems.com
Innovative cybersecurity solutions provider focused on deep client partnerships, successful enterprise agreements, and solving complex challenges with a compassionate and purpose-driven approach |
2 |
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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 Nov 2, 2026.
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The same list elsewhere in United States
- IT Services and IT Consulting companies in the United States 6,692
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- IT Services and IT Consulting companies in Maryland 189
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