| # | Company | Employees |
|---|---|---|
| 1 |
BMC Softwarebmc.com
It provides open, scalable solutions for complex IT challenges, helping organizations innovate and become Autonomous Digital Enterprises for future success. |
8,773 |
| 2 | 2,913 | |
| 3 | 2,214 | |
| 4 |
AIS Infoaisinfo.com
The company automates processes, improves compliance, and provides cost-effective labor solutions across industries, enabling clients to focus on growth and make data-driven decisions |
1,509 |
| 5 | 819 | |
| 6 | 758 | |
| 7 |
E Sourceesource.com
E Source helps utilities and cities improve sustainability and innovation through data science, market intelligence, consulting, and advisory services for industry leadership |
713 |
| 8 |
Ingeneroingenero.com
A process engineering firm specializing in providing quality services and software solutions for process manufacturing facilities, focusing on efficiency, safety, and operational improvements |
587 |
| 9 | 568 | |
| 10 |
Open iTopenit.com
Helps organizations worldwide reduce costs, boost performance, and improve business operations through advanced hardware and software usage tracking and optimization solutions. |
263 |
| 11 |
DHS Groupdhsgroup.com
The company provides software and service solutions for managing healthcare costs, improving quality of care, and enhancing employee wellbeing |
229 |
| 12 |
Idera, Inc.ideracorp.com
A trusted advisor providing B2B software tools for database administration, application development, and test management to help users achieve strategic goals |
227 |
| 13 |
Infodatinfodatinc.com
Infodat specializes in innovative technology solutions including Data Services, Cloud & Mobile Development, DevOps, and Cybersecurity for mid to Fortune 100 companies |
201 |
| 14 | 182 | |
| 15 |
ComboCurvecombocurve.com
Cloud-based software for energy sector enabling asset evaluation, workflow optimization, reserve management, and real-time analytics with strong customer support. |
87 |
| 16 | 86 | |
| 17 |
Integration Objectsintegrationobjects.com
A leading systems integrator and solutions provider specializing in operations intelligence, advanced analytics, plant automation, cyber security, and enterprise integration for various industries globally |
85 |
| 18 |
Unique IT Solutions, Incunikitsolutions.com
A professional IT services company specializing in SAP solutions, digital transformation, Business Intelligence, and advisory services for various industries |
60 |
| 19 |
MHK TECH INCmhktechinc.com
A global provider of enterprise cloud solutions, tailored application development, internet marketing strategies, and IT services for efficient business growth |
41 |
| 20 |
Innowattsinnowatts.com
A leading energy SaaS platform using AI to help providers optimize grid edge, enhance customer value, and drive sustainable energy solutions globally |
24 |
| 21 |
Big Data Management Servicesbigdataenergy.com
A leading digital asset management company specializing in capturing data for energy utilities, retail providers, and end-user customers to deliver expert market insight and bottom-line results |
21 |
| 22 |
Legend Energy Advisorslegendenergyadvisors.com
The company helps clients understand and optimize energy usage to reduce waste, emissions, and financial risk in energy markets globally |
16 |
| 23 |
EnHelix Softwareenhelix.com
Specializing in enterprise software solutions tailored for energy companies, our technologies streamline operations and optimize productivity in the industry |
13 |
| 24 |
Enbase Energy Technologyenbasesolutions.com
This company engineers electronics, applications, and predictive analytics for energy companies to improve operations, safety, runtime, reliability, and job performance |
10 |
| 25 |
oilfield.ai庐maillance.com
Global industrial AI SaaS company supporting oil & gas upstream digital transformation Provides tools combining physics and AI/ML for cost reduction and emissions |
5 |
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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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