This selection of managed service providers in Texas primarily includes large IT services and consulting firms. Companies such as Oracle, Hewlett Packard Enterprise, and NTT DATA North America offer extensive cloud infrastructure, data and AI solutions, and global technology services. These firms mostly serve enterprise clients with complex needs.
A significant number of these companies are concentrated in major Texan cities. Austin, Dallas, and Houston emerge as key hubs, hosting several large employers like Digital Realty, GDT - General Datatech, and Searce Inc. This geographic clustering suggests a strong regional presence of technology and IT consulting businesses.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Oracleoracle.com
Delivers cloud infrastructure, data, and applications for AI, offering scalable solutions for various deployments, integrating AI into databases, data platforms, and business applications. |
206,235 | |||
| 2 |
Hewlett Packard Enterprisehpe.com
This company is a global edge-to-cloud company that drives technology and innovation to fulfill its passion and purpose |
90,021 | |||
| 3 |
NTT DATA North Americaus.nttdata.com
provides business and technology consulting, data and AI solutions, application development, infrastructure management, and industry-specific services globally |
24,414 | |||
| 4 |
Rackspace Technologyrackspace.com
Specializing in multicloud solutions, we assist global companies in overcoming challenges by providing custom cloud services for improved performance |
7,046 | |||
| 5 |
Black Boxblackbox.com
Provides network integration, managed services, technology products, and cybersecurity solutions to global enterprises across multiple industries and regions. |
5,521 | |||
| 6 |
Digital Realtydigitalrealty.com
Global provider of data center, colocation, and interconnection solutions, enabling secure connectivity between companies through a network of 300+ facilities worldwide |
5,263 | |||
| 7 |
MOURI Techmouritech.com
Global Enterprise Solutions Provider partnering with Fortune 500 companies, offering innovative services in enterprise transformation, cloud strategy, analytics, and application development |
3,521 | |||
| 8 |
NinjaOneninjaone.com
Provides automated management, patching, and visibility for endpoints, ensuring security and efficiency for organizations of all sizes worldwide. |
2,376 | |||
| 9 |
TTEC Digitalttecdigital.com
A global leader in customer experience orchestration, leveraging technology and empathy with expertise in CX strategy, data analytics, and AI |
1,983 | |||
| 10 |
IT Convergenceitconvergence.com
Global Oracle Platinum Partner offering cloud consulting, managed services, integration, analytics, automation, training, and change management for enterprises. |
1,773 | |||
| 11 |
Searce Incsearce.com
A company focused on refining, analyzing, and improving to deliver intelligent, impactful, and futuristic business outcomes through passionate employees |
1,587 | |||
| 12 |
GDT - General Datatechgdt.com
An international IT solutions provider offering consulting, designing, deploying, and managing services for businesses, government, and healthcare, specializing in advanced technology solutions |
1,317 | |||
| 13 |
Programmers.ioprogrammers.io
Global technology company specializing in IBM i and IBM Z modernization, offering AI enablement, cloud migration, and application development with a happiness guarantee. |
1,237 | |||
| 14 |
Fl艒 Networksflo.net
Fl艒 Networks provides high-performance network services for organizations, offering scalable, transparent architecture for configuring and managing services across networks |
1,227 | |||
| 15 |
WP Enginewpengine.com
This company provides managed WordPress hosting, eCommerce solutions, and enterprise offerings globally, empowering companies and agencies to create digital experiences |
1,093 | |||
| 16 |
R Associates Incr-associates.com
RAI provides high performance computers, hardware, support, and professional services to global Oil and Gas companies, with competitive prices and up-to-date server integration |
1,091 | |||
| 17 |
CyrusOnecyrusone.com
Global data center developer and operator offering state-of-the-art digital infrastructure solutions to nearly 1,000 customers, including Fortune 1000 companies, worldwide |
1,014 | |||
| 18 | 991 | ||||
| 19 |
DataBankdatabank.com
Provider of enterprise-class data center, cloud, and interconnection services with 100% uptime availability, offering managed technology solutions for improved performance and risk management |
958 | |||
| 20 |
AT&T Cybersecurityatt.com
Specializing in cybersecurity, this company offers edge-to-edge technologies, threat intelligence, collaborative defense, and tailored solutions to protect businesses worldwide |
881 | |||
| 21 |
Buchanan Technologiesbuchanan.com
Leading IT consulting and outsourcing firm offering a wide range of technology services, from managed operations and cybersecurity to digital workplace solutions and IT staffing |
783 | |||
| 22 |
Quisitivequisitive.com
Global Microsoft partner delivering cloud solutions, custom technologies, and first-party offerings to drive enterprise digital transformation and innovation. |
754 | |||
| 23 |
Csquarecsquare.com
A Dallas-based company offers colocation and data center services emphasizing connectivity, security, and redundancy for diverse clientele's digital transformation needs |
752 | |||
| 24 |
Meriplexmeriplex.com
A provider of managed technology solutions specializing in Intelligent WAN, Cybersecurity, Physical Security, Cloud, and Voice services for enabling business transformation and growth |
587 | |||
| 25 |
NETSYNCnetsync.com
Specializes in comprehensive IT lifecycle solutions, partnering with leading tech firms to serve education, government, and corporate sectors. |
583 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 | 561 | ||||
| 27 |
CMIT Solutionscmitsolutions.com
A premier IT solution provider delivering enterprise-class support and technology services for businesses in North America, ensuring efficient and reliable IT environments |
552 | |||
| 28 |
Aligned Data Centersaligneddc.com
Leading technology firm specializing in sustainable Scale Data Centers and Build-to-Scale solutions for global hyperscale and enterprise clients |
550 | |||
| 29 |
OneSupportonesupport.com
Provider of customer experience, technical support, and sales enablement solutions for technology products Helps companies improve customer care strategies and IT consulting solutions |
547 | |||
| 30 |
Dominion Systems Incdominionsystems.net
The company specializes in software development, testing, infrastructure management, and providing cloud computing solutions to clients |
532 | |||
| 31 |
Excelenciaexcelenciaconsulting.com
Excelencia is an ISO-certified IT solutions company with 15+ years of experience, offering innovative and tailor-made solutions globally using offshore and on-site models |
504 | |||
| 32 |
Computer Solutionscomsoltx.com
An IT solutions provider in South Texas offering products from leading vendors, professional services, managed services, and consulting in technology |
500 | |||
| 33 |
Masergymasergy.com
Provides AI-powered secure cloud networking solutions including SD-WAN, security, unified communications, and contact center services for global businesses. |
497 | |||
| 34 | 
TECH MAHINDRA AMERICAS
An IT and services company located in Texas, specializing in providing information technology solutions and support to clients in the Americas |
474 | |||
| 35 |
INFOLOBinfolob.com
An IT consulting organization specializing in Oracle Cloud migration, managed services, data management, hardware/software resale, ERP apps, UI/UX design, and more |
406 | |||
| 36 |
Telnyxtelnyx.com
Provides a full-stack platform for real-time conversational AI, combining global telephony, dedicated AI infrastructure, and customizability for building and deploying AI-powered agents. |
383 | |||
| 37 |
LOGIX FIBER NETWORKSlogix.com
A Texas-based provider of secure fiber-based data and voice services for enterprise and carrier customers, known for outstanding customer service and quick service delivery |
380 | |||
| 38 |
Netrionetrio.com
A fast-growing MSP / MSSP since 2003, delivering Managed IT and Security solutions through NOCaaS, SOC, and professional services Operates three NOCs & SOCs in Texas |
365 | |||
| 39 |
Resolve Tech Solutionsresolvetech.com
Global IT services company specializing in ERP consulting, cloud migration, managed cloud delivery, and advanced technologies for diverse industries. |
364 | |||
| 40 |
DYOPATHdyopath.com
Empowering organizations with trusted IT solutions, managing risk, technology, and personnel, while combating cyber threats and complex IT environments, all with exceptional customer service. |
364 | |||
| 41 |
Scale Computingscalecomputing.com
Provides an edge-first platform for distributed enterprises, offering solutions for edge computing, managed network security, and virtualization to power critical applications across many locations. |
362 | |||
| 42 |
Impiger Technologies Incimpigertech.com
It specializes in mobile, cloud, web, IoT, AR, RPA, and AI technologies, serving various industries with numerous successful projects. |
333 | |||
| 43 |
Zerto, acquired by Hewlett Packard Enterprise company in 2021hpe.com
Provider of cloud data management and protection solutions enabling seamless application protection, recovery, and mobility across on-premises and cloud environments for global customers |
332 | |||
| 44 |
Apogee, Inc.apogee.us
The company helps colleges and universities transition to the digital era with managed technology services, enhancing learning outcomes and student satisfaction |
330 | |||
| 45 |
AMSYS Innovative Solutionsamsysis.com
Provides cybersecurity, IT support, cloud backup, data center operations, and disaster recovery planning for energy, healthcare, and financial sectors. |
326 | |||
| 46 |
Cognisivecognisive.com
An esteemed IT consulting firm specializing in technology deployment, infrastructure automation, and end-to-end IT support for leading organizations across industries |
320 | |||
| 47 |
Compass Datacenterscompassdatacenters.com
Designs and constructs sustainable data centers for hyperscalers and cloud providers globally, focusing on innovation, quality, and efficient operations |
295 | |||
| 48 |
FalconStor Softwarefalconstor.com
FalconStor modernizes disaster recovery and backup operations for hybrid cloud environments, reducing data storage costs by up to 95% |
290 | |||
| 49 |
The 20 MSPthe20.com
Results-oriented business development group for IT Industry, providing scalable growth solutions for Managed Service Providers through sales models, expertise, and resources |
266 | |||
| 50 |
Formerly Cyxtera (now Csquare)csquare.com
Global leader in data center colocation and interconnection services with a footprint of 61 centers in 29 markets worldwide Serving enterprises and government agencies |
258 | |||
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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 11, 2026.
More company lists in Texas
- The largest companies in Texas 9,277
- Multinational companies in Texas 1,418
- Oil and Gas companies in Texas 969
- Energy companies in Texas 857
- IT Services and IT Consulting companies in Texas 834
- IT services companies in Texas 729
- Retail chains in Texas 633
- Professional services firms in Texas 629
- Manufacturers in Texas 621
- Critical infrastructure operators in Texas 579
- Real Estate companies in Texas 563
- Education providers in Texas 533
- SaaS companies in Texas 498
- Consulting firms in Texas 453
- Companies with in-house R&D in Texas 442
- Hardware manufacturers in Texas 426
- Hospitals and Health Care companies in Texas 423
- Software Development companies in Texas 414
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- Transportation, Logistics, Supply Chain and Storage companies in Texas 375
- Companies with a mobile app in Texas 366
- Public sector organisations in Texas 360
- AI companies in Texas 351
The same list elsewhere in United States
- Managed service providers in the United States 889
- Managed service providers in California 152
- Managed service providers in New York State 78
- Managed service providers in Florida 71
- Managed service providers in Georgia 42
- Managed service providers in New Jersey 36
- Managed service providers in Illinois 35
- Managed service providers in Virginia 35
- Managed service providers in Washington State 35
- Managed service providers in Colorado 31
- Managed service providers in Massachusetts 26
- Managed service providers in Pennsylvania 26
- Managed service providers in New York 54
- Managed service providers in San Francisco 25