Best Enterprise Infrastructure Companies in San Antonio, United States
The 54 best Enterprise Infrastructure companies in San Antonio, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Carbon Black.
Our analysis of 147 Enterprise Infrastructure companies
$38.8b in tracked funding; 99% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Enterprise Infrastructure companies in San Antonio
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Carbon Black Cloud endpoint protection platform | $58M | 125 mo ago | Acquired | Terry Dolce | 2002 | — | 85 patents Network security threat detection, analysis, and automated incident response solutions. | — |
| 2 | SecureLogix Cloud based platform offering secure communication solutions | $25M | 278 mo ago | Series C | Lee Sutterfield CEO | 1998 | SkolengoSentryNode.js+18 | 18 patents Secure real-time telephony call authentication and device identification using biometrics and cryptography | 1 job opening · 2 partnerships |
| 3 | Rackspace Provider of multicloud solutions, AI, data, and cybersecurity and resilience | $18M | 116 mo ago | Public | Pat Condon Co-Founder | 1998 | DrupalApple iCloud MailMicrosoft 365+34 | 232 patents Patents concentrated in computing, sensing & instrumentation | 2 partnerships |
| 4 | Verve Cloud Provider of internet and telephony services for business telecommunication sectors 16Funding top 46%Product top 46%Talent bottom 49%Market bottom 37% All 6 signals ▾Fundingtop 46% Producttop 46% Talentbottom 49% Marketbottom 37% Globalbottom 30% Customersbottom 1% Funding: Raised $15.8M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Product: 1 published app (1.7k installs) · Company stage: Series B rank vs industry peers · Fliar Intelligence Index 16/100 | $16M | 13 mo ago | Series B | Josh Reel CEO | 2002 | — | — | — |
| 5 | CyberFortress Cloud based platform offering data backup and recovery solutions | $14M | 57 mo ago | Seed | Wade Alt CEO | 2006 | WordPress Block EditorWordPressMySQL+31 | 3 patents Cybersecurity vulnerability profiling via time‑series analysis of network data streams | — |
| 6 | Infocyte Cloud based end point security and threat detection solutions | $13M | 56 mo ago | Acqui-Hired | — | 2014 | — | 14 patents Automated enterprise vulnerability scanning and response for computer system security. | — |
| 7 | Filestack Comprehensive file handling service for developers: upload, transform, and deliver | $2M | 157 mo ago | Acquired | — | 2012 | WordPressSentryAtlassian Statuspage+25 | — | — |
| 8 | Virtkick VPS control panel empowering hosting providers to compete with giants | $818K | 131 mo ago | Seed | — | 2014 | — | — | — |
| 9 | ZeroVM Open-source virtualization technology for secure, lightweight, and portable application execution | $500K | 159 mo ago | Acquired | Camuel Gilyadov Founder & CEO | 2011 | — | — | — |
| 10 | Pomika Provider of a visual search tool that turns a social media feed into a personal online store | $415K | 125 mo ago | Seed | David G Ortega Co-Founder & CTO | 2014 | — | — | — |
| 11 | Sendspark Provider of personalized videos related solutions | $300K | 81 mo ago | Seed | Bethany Stachenfeld Co-Founder & Chief Executive Officer | 2019 | HubSpot CMS HubAmazon Web ServicesMobX+23 | — | — |
| 12 | Appbase Provider of search and AI-powered solutions for application development | $230K | 114 mo ago | Seed | — | 2015 | — | — | — |
Top 12 Enterprise Infrastructure companies in San Antonio
#1
Series B · San Antonio, Texas · founded 2002$15.8Mraised▾
Provider of internet and telephony services for business telecommunication sectors
- Jun 2025Series B$15.8M
#2
Acqui-Hired · San Antonio, Texas · founded 2014 · 27 employees$13.4Mraised▾
Cloud based end point security and threat detection solutions. It provides a software platform that gives security operators point in time visibility into network endpoints without the burden of pre installing software agents. The platform deploys lightweight Endpoint Surveys and combines an Advanced Analytics Engine with Threat Intelligence to detect the presence of unauthorized activity, Advanced Persistent Threats, and stealthy rootkits that may be hiding on the endpoints.
- Oct 2021Series B$1M
- Nov 2019Series B$3M
- Feb 2018Series B$5.2M
- Dec 2016Series A$3.4M
#3
Acquired · San Antonio, Texas · founded 2002 · 938 employees$58.3Mraised▾
Carbon Black provides a cloud endpoint protection platform. The product offers cloud workload protection. The features of the product include attack surface detection and prevention, threat detection, managed detection, alerts, security assessment, vulnerability protection, etc.
- Feb 2016Series D$13.7M
- Apr 2013Series C—
- Jul 2012Series C$34.5M
- Jun 2010Series B$10.1M
#4
Seed · San Antonio, Texas · founded 2006 · 27 employees$14.2Mraised▾
CyberFortress provides a cloud based platform offering data backup and recovery solutions. The platform provides services including SaaS data backup and recovery, server backup and recovery, endpoint backup, etc. Additionally, it offers a full portfolio for catastrophe recovery.
- Sep 2021Conventional Debt—
- Oct 2019Seed$3.2M
- Jan 2017Seed—
- Jan 2016Seed$11M
#5
Series C · San Antonio, Texas · founded 1998 · 69 employees$25Mraised▾
Cloud based platform offering secure communication solutions. Some of the features of the platform include inbound call verification, call authentication, and spoofing detection, malicious call monitoring and reporting, and more. It provides solutions for banking and financial services, energy, healthcare, and more.
- Apr 2003Series C$4.2M
- Feb 2002Series B$10.4M
- Oct 2000Series A$7.5M
- 1999Unattributed$2.9M
#6
Public · San Antonio, Texas · founded 1998 · 6800 employees$17.8Mraised▾
Provider of multicloud solutions, AI, data, and cybersecurity and resilience. The company delivers cloud adoption and migration, application modernization, and data management. It offers services such as consulting, professional services, and managed services. The company provides solutions across various platforms, including cloud, email, and applications.
- Nov 2016Post IPO—
- Nov 2015Conventional Debt$500M
- Apr 2000Series B$11.5M
- Jan 2000Series A$6.3M
#7
Acquired · San Antonio, Texas · founded 2012 · 42 employees$1.9Mraised▾
Comprehensive file handling service for developers: upload, transform, and deliver. It is a B2B tech company offering a suite of tools and APIs designed to simplify file management. The platform enables users to upload files from various sources, transform them into different formats, and deliver them efficiently through a content delivery network. Key features include image and video transformation, document conversion, content intelligence, and secure file handling. It supports various SDKs for quick integration into web and mobile applications. The service caters to diverse use cases, including print services, drone data management, ed-tech platforms, and content management systems. It offers features like object detection, explicit content detection, virus detection, and optical character recognition. The platform provides pricing plans and a subscription model.
- Jun 2013Seed$1.8M
- 2012Seed$120K
#8
Seed · San Antonio, Texas · founded 2014 · 3 employees$818Kraised▾
VPS control panel empowering hosting providers to compete with giants. It is a SaaS platform offering a comprehensive solution for managing virtual private servers. The platform provides a user-friendly interface, automation, and whitelabeling options, enabling hosting providers to maximize sales and brand their services. Key features include KVM virtualization, image management, automatic billing, and a support system with notification emails. The platform simplifies server management, allowing businesses to focus on customer relationships and revenue generation. It offers subscription-based pricing and aims to be an affordable and accessible solution for hosting providers seeking to enhance their service offerings. The platform is designed to be simple to use, allowing customers to connect hypervisors and run their business without worrying about software upgrades.
- Jul 2015Seed$800K
- Apr 2015Seed$18K
#9
Seed · San Antonio, Texas · founded 2019 · 26 employees$300Kraised▾
Spendspark is a platform that allows users to send video emails. The platform enables users to record/request videos, create landing pages, customize video thumbnails, embed videos on mail, track video engagement, and more. It provides various packages for subscription A free package with a limited number of video emails, a sales package, and a marketing package that has added features.
- Oct 2019Seed$300K
- Seed—
#10
Seed · San Antonio, Texas · founded 2015 · 9 employees$230Kraised▾
Provider of search and AI-powered solutions for application development. It offers tools for building search experiences, including search pipelines and user interfaces. The platform supports integrating search engines and AI backends into composable workflows. It provides analytics to understand user engagement and recommendations to improve relevance.
- Dec 2016Grant (prize money)$33K
- Sep 2016Seed$50K
- 2015Grant (prize money)$50K
- Feb 2015Seed$60K
#11
Seed · San Antonio, Texas · founded 2014$415Kraised▾
Provider of a visual search tool that turns a social media feed into a personal online store. It allows a user to like a product on social media, Pomika scans the product image with the help of advanced image recognition technology and locates the e-commerce sites where the exact/similar product is being sold. It enables users to discover the products they see in social media feed online and also enables e-commerce sites to increase traffic inbound.
- Feb 2016Seed$110K
- Seed$305K
#12
Acquired · San Antonio, Texas · founded 2011 · 8 employees$500Kraised▾
Open-source virtualization technology for secure, lightweight, and portable application execution. This technology provides a secure and isolated execution environment for single-threaded applications. It's designed to be lightweight and portable, easily embedding within existing storage systems. This allows developers to push applications to data, rather than pulling data to applications. The runtime includes a port of glibc and an in-memory file system, offering a C99 compliant environment supporting most of the POSIX syscall API. All input/output is modeled as files, with standard streams for input, output, and logging. It uses cross-compilation GNU toolchain. This is a cloud based solution for hyperscale cloud infrastructure.
- Apr 2013Seed$500K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Enterprise Infrastructure coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Cloud Computing is moving in the United States
A read on the academic research around Cloud Computing — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 8,654 United States-affiliated papers.
- Film Independent588
- Microsoft147
- Goddard Space Flight Center135
- University of Washington130
- NSF National Center for Atmospheric Research117
- Scalability51→526
- Software deployment12→253
- Key (lock)16→192
- Operating system45→218
- Workflow3→176
- Scalability14→264
- Key (lock)9→192
- Operating system18→190
- Software deployment9→176
- Analytics8→149
- Key (lock)9→128
- Scalability10→101
- Software deployment2→76
- Operating system13→83
- Big data17→80
Where cloud computing is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing cloud computing patents in the United States
United States cloud computing patent filing is cooling — 6,575 filings from 3,147 assignees (2016–2025), led by IBM, Microsoft, Intel; annual filings 708→574.
- IBM1261
- Microsoft891
- Intel641
- Vmware477
- Oracle381
- Cisco237
- RED HAT185
- Nutanix173
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.