| # | Company | Employees |
|---|---|---|
| 1 |
ISS | Institutional Shareholder Servicesiss-stoxx.com
A global provider of data, analytics, and insights for investors and companies, specializing in corporate governance, responsible investment solutions, and market intelligence |
4,014 |
| 2 |
Inovaloninovalon.com
Inovalon offers data-driven SaaS solutions on a cloud platform to improve clinical outcomes and economics in healthcare for various organizations |
3,316 |
| 3 |
Tenabletenable.com
Exposes and closes cybersecurity gaps, unifies security visibility, insight, and action across the attack surface for organizations globally. |
2,361 |
| 4 |
Chargebeechargebee.com
It provides subscription management, recurring billing, pricing optimization, revenue recognition, collections, and customer retention for subscription-based businesses. |
1,276 |
| 5 | 1,147 | |
| 6 |
Huntresshuntress.com
Provides a fully managed security platform, combining endpoint detection, identity protection, SIEM, and security training for mid-market businesses and MSPs. |
939 |
| 7 |
ZeroFoxzerofox.com
Discover, validate, and disrupt external cyber threats using a unified platform combining threat intelligence, brand protection, and attack surface insights. |
862 |
| 8 |
Collage Groupcollagegroup.com
Cultural intelligence company supporting US brands in leveraging culture to drive growth by providing consumer insights, data, tools, and best practices |
684 |
| 9 |
Dragos, Inc.dragos.com
Provides most effective OT cybersecurity technology for industrial and critical infrastructure, safeguarding civilization with platform visibility, monitoring, and threat detection. |
665 |
| 10 |
Sonatypesonatype.com
Provides intelligence and products helping organizations manage open source components, accelerating innovation, mitigating security vulnerabilities, and licensing risks. |
552 |
| 11 |
Employee Navigatoremployeenavigator.com
Simplify benefits and HR tasks for brokers and HR departments with an all-in-one solution, used by 50,000+ companies and 6,000,000+ employees |
476 |
| 12 | 417 | |
| 13 |
Get Wellgetwellnetwork.com
Specializing in digital patient engagement, they aim to improve healthcare outcomes by providing personalized technology solutions for hospitals and health systems |
416 |
| 14 | 402 | |
| 15 |
SAP Fieldglasssap.com
Global leader in external workforce management and services procurement, providing cloud-based platform to help companies find, engage, and manage flexible resources worldwide |
391 |
| 16 |
Welldocwelldoc.com
The company offers BlueStar, an in-app digital assistant for type 2 diabetes to drive down costs and promote personal healthcare transformation |
391 |
| 17 |
IronCircleironcircle.com
Global leader in cybersecurity training and talent development, offering advanced programs to bridge skills gap in digital and information security industries |
354 |
| 18 |
HiLabshilabs.com
This company provides technology solutions for health plans to optimize member experiences, increase efficiency, and convert data into actionable insights |
349 |
| 19 |
Vectorworksvectorworks.net
A global leader in design and BIM software for architecture, landscape, and entertainment industries, providing one-platform solutions for collaborative project lifecycle management |
322 |
| 20 | 289 | |
| 21 |
Flywheel Content Studioflywheeldigital.com
A platform helping brands optimize digital shelves with consumer search insights, performance monitoring, and content optimization for e-commerce success |
252 |
| 22 |
Apkudoapkudo.com
A company specializing in managing connected devices, maximizing device value, reducing labor costs, and minimizing e-waste through automated testing and grading systems |
238 |
| 23 |
Cardinality-aicardyai.com
A software company specializing in AI and data solutions for government agencies, improving efficiency and outcomes for health and human services programs |
191 |
| 24 |
3CLogic3clogic.com
This company provides Cloud Contact Center and AI solutions to enhance customer and employee experiences, working with leading CRM platforms |
182 |
| 25 |
InVita Healthcare Technologies
Specialized software development for regulated industries enhancing public health and safety through configurable solutions that streamline processes and improve outcomes |
179 |
| 26 |
Cybrarycybrary.it
Cybrary offers a cybersecurity professional development platform with top industry experts, equipping IT and security professionals with knowledge and skills |
168 |
| 27 |
Alertus Technologiesalertus.com
Development and support of customizable, scalable mass notification systems designed to protect lives, secure assets, and ensure business continuity. |
166 |
| 28 |
Global PayEXglobalpayex.com
B2B payments modernization-focused SaaS company offering AI-powered cloud platform for working capital optimization in accounts receivable and accounts payable |
163 |
| 29 |
Aurora Healthcare, Inc.aurora-healthcare.com
Aurora provides cloud-based revenue cycle performance solutions for healthcare organizations, improving revenue integrity through efficient financial software |
159 |
| 30 |
Cloudforcegocloudforce.com
Cloudforce specializes in creating, migrating, and maintaining custom Microsoft cloud solutions for businesses and government, prioritizing accessibility, scalability, and security |
159 |
| 31 | 149 | |
| 32 |
Medisolv, Inc.medisolv.com
Utilizing high-quality data to enhance patient care and improve provider performance through data-driven solutions and insights |
139 |
| 33 |
PNI鈥CMisolvedhcm.com
A comprehensive human capital management platform providing payroll, HR, talent management, and workforce solutions while supporting community organizations and philanthropy |
120 |
| 34 | 106 | |
| 35 | 58 | |
| 36 |
Pushwooshpushwoosh.com
A mobile customer engagement platform trusted by 80,000 clients, offering push notifications, in-app messages, emails, and cross-channel campaigns to drive conversions |
51 |
| 37 |
DOOR Ventures Inc.guidetodoor.com
Door transforms due diligence in asset management by digitizing information exchange, simplifying RFP responses, supporting research processes, and driving industry best practices globally |
44 |
| 38 |
Enveilenveil.com
A pioneering Privacy Enhancing Technology company that protects Data in Use, enabling secure data usage, collaboration, and monetization without compromising privacy |
34 |
| 39 |
Leap Orbitleaporbit.com
Leap Orbit specializes in transformative technology projects within healthcare, focusing on care delivery, interoperability, operations, and product development to drive innovation in the industry |
32 |
| 40 |
SparkPost, a MessageBird companysparkpost.com
It provides email optimization solutions, helping brands improve their email programs through data-driven decisions and expert support for reliable delivery. |
28 |
| 41 |
E-ISG Asset Intelligencee-isg.com
A leading provider of asset management software and services for various industries, offering comprehensive solutions for tracking and managing physical and IT assets |
25 |
| 42 |
AggDirectaggdirect.com
Technology solutions for trucking and freight management, connecting trucking companies, drivers, and customers to streamline job management and material orders efficiently |
14 |
| 43 | 14 | |
| 44 |
Project Map Itprojectmapit.com
Project Map It offers a service for the home improvement industry to create portfolios, showcase customer reviews, and boost sales through an intuitive interface and embedded widgets |
12 |
| 45 |
AffirmXaffirmx.com
A company specializing in helping financial service institutions streamline risk management processes with their patented platform and compliance experts |
11 |
| 46 |
Zora Corpzorcorp.com
A talent discovery platform helping companies find exceptional candidates for projects and teams Connect with us for a test-drive |
11 |
| 47 | 9 | |
| 48 |
Rep Order Management (ROM)repordermanagement.com
AccuQuote provides software that streamlines quoting processes, boosts sales efficiency, offers live quote tracking, generates reports, and offers a free CRM promotion |
7 |
| 49 |
Higher Logic
Provider of IT services, offering a wide range of technological solutions and support for businesses to enhance their operations and digital capabilities |
2 |
| 50 |
Zapendozapendo.com
It provides tools for managing contracts, editing documents, obtaining eSignatures, and collaborating with stakeholders while ensuring document security and tracking. |
n/a |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 Oct 24, 2026.
More company lists in Maryland
- The largest companies in Maryland 1,527
- IT Services and IT Consulting companies in Maryland 154
- Hospitals and Health Care companies in Maryland 113
- Education providers in Maryland 93
- IT services companies in Maryland 90
- Critical infrastructure operators in Maryland 67
- Healthcare providers in Maryland 66
- Public sector organisations in Maryland 64
- Construction companies in Maryland 63
- Retail chains in Maryland 62
- Government Administration companies in Maryland 62
- Financial services firms in Maryland 57
- Higher Education companies in Maryland 54
- Financial Services companies in Maryland 53
- Non-profit Organizations companies in Maryland 48
- Aerospace and defence companies in Maryland 46
- Consulting firms in Maryland 44
- Software Development companies in Maryland 41
- Real Estate companies in Maryland 40
- Research Services companies in Maryland 38
- Hospitality companies in Maryland 37
- Manufacturers in Maryland 37
- Research institutes in Maryland 35
- Business Consulting and Services companies in Maryland 31
The same list elsewhere in United States
- SaaS companies in the United States 5,724
- SaaS companies in California 1,617
- SaaS companies in New York State 942
- SaaS companies in Texas 442
- SaaS companies in Massachusetts 322
- SaaS companies in Florida 251
- SaaS companies in Illinois 172
- SaaS companies in Georgia 165
- SaaS companies in Washington State 141
- SaaS companies in Colorado 133
- SaaS companies in New Jersey 129
- SaaS companies in Alabama 120
- SaaS companies in Utah 107
- SaaS companies in Pennsylvania 104
- SaaS companies in North Carolina 97
- SaaS companies in Virginia 95
- SaaS companies in Delaware 90
- SaaS companies in New York 851
- SaaS companies in San Francisco 690
- SaaS companies in Boston 179
- SaaS companies in Austin 169
- SaaS companies in Chicago 126
- SaaS companies in Atlanta 105
- SaaS companies in Palo Alto 98