| # | Company | Employees |
|---|---|---|
| 1 |
Anne Arundel County Public Schoolsaacps.org
A progressive school system in Anne Arundel County offering a challenging and rewarding educational experience with a focus on success for every student |
7,166 |
| 2 |
United States Naval Academyusna.edu
Prepares midshipmen morally, mentally, and physically to be professional officers in the naval service. Earn a Bachelor of Science degree. |
2,569 |
| 3 |
Crisis24crisis24.com
Integrated risk management, crisis response, consulting, and global protective solutions firm, providing specialized services, security, and technology powered by AI worldwide |
2,363 |
| 4 |
Anne Arundel Medical Centerlinkedin.com
This company is no longer active on LinkedIn Follow them @Luminis Health for updates on their services and operations |
2,046 |
| 5 |
Maryland Judiciarymdcourts.gov
The company is dedicated to providing fair and efficient justice in Maryland by being responsive, accountable, and building partnerships while ensuring access to justice |
1,235 |
| 6 |
United Association of Union Plumbers, Fitters, Welders and Service Techsua.org
The company represents over 375,000 plumbers, pipefitters, and welders, offering premier training programs for the pipe fitting industry across North America |
1,164 |
| 7 | 931 | |
| 8 |
St. John's Collegesjc.edu
Offers exceptional liberal arts education, focusing on foundational works across diverse disciplines through small seminar classes, fostering critical thinking skills through faculty interaction. |
760 |
| 9 |
TeleCommunication Systems, Inc.telecomsys.com
A subsidiary of Comtech Telecommunications Corp, specializing in developing and marketing communication solutions for commercial and government sectors through various technologies |
738 |
| 10 |
The Maryland General Assemblymgaleg.maryland.gov
This organization is the state legislature of Maryland, consisting of the Senate and House of Delegates, convening annually to pass bills and budgets |
722 |
| 11 |
Maryland Department of Natural Resourcesdnr.maryland.gov
The company in Maryland focuses on preserving, protecting, restoring, and enhancing the environment for future generations through sustainable practices and diverse outdoor recreation opportunities |
717 |
| 12 |
Smartlink Groupsmartlinkgroup.com
A national talent solutions and telecom services company specializing in the development, engineering, and maintenance of communication infrastructures for leading wireless carriers and providers |
704 |
| 13 |
Comptroller of Marylandmarylandcomptroller.gov
Elected official in Maryland overseeing state finances, tax administration, accounting for state agencies, regulating fuel industries, and serving on state boards/commissions |
592 |
| 14 |
Ledo Pizzaledopizza.com
This company offers unique rectangular pizzas with thick pepperoni slices, along with a variety of entrees, subs, salads, and breadsticks |
552 |
| 15 |
Tential Solutionstential.com
Trusted technology and transformation partner offering solutions in data, applications, AI, customer engagement, and talent to help organizations modernize and stay competitive #changeleaders |
515 |
| 16 |
Customer Service Experts (CSE)customerserviceexperts.com
CXE partners with clients to enhance service culture, customer and employee experiences through innovative programs and solutions, driving revenue growth |
504 |
| 17 |
The Language Doctorsthelanguagedoctors.org
Global provider of professional language solutions including interpretation, translation, and localization services in over 100 languages for businesses and organizations worldwide |
459 |
| 18 |
Property Manager Insiderpropertymanagerinsider.com
Dedicated to sharing valuable information for property managers, from technology trends to industry news, making their daily roles easier |
435 |
| 19 |
Taylor Propertiestaylorprops.com
An agent-focused real estate brokerage model offering higher commissions and flexibility, with over 1,600 agents serving multiple states |
409 |
| 20 |
Deep Water Point & Associatesdwpassociates.com
A team of industry and government experts providing actionable intelligence and custom proposals to help clients secure bids in vital sectors |
369 |
| 21 |
Dream Yachtdreamyachtcharter.com
Offering worldwide yacht charters, sales, and brokerage with diverse options, expert consultancy, and exceptional customer service for ocean exploration. |
351 |
| 22 |
South Moon Undercareers-southmoonunder.icims.com
A fashion retailer with a passionate tribe creating and curating beautiful products, inspiring others, and valuing human connection in every interaction |
337 |
| 23 | 335 | |
| 24 |
Chesapeake Bay Foundationcbf.org
This organization fights pollution in the Chesapeake Bay, advocates for strong regulations, partners with stakeholders, restores habitats, and educates the community on environmental issues |
328 |
| 25 |
Chaney Enterpriseschaneyenterprises.com
Supplier of ready-mix concrete, sand, stone, and gravel in the mid-atlantic region, offering a range of products and services Join our team! |
323 |
| 26 |
Clearway Pain Solutionsclearwaypain.com
Specializing in pain management, we offer compassionate, patient-centered care with a team of professionals to relieve pain and improve quality of life |
309 |
| 27 |
Maryland Department of Service and Civic Innovationdsci.maryland.gov
Promoting service and volunteerism in Maryland through innovative programs established by the SERVE Act of 2023 |
290 |
| 28 |
Corporate Brokerstential.com
Corporate Brokers specializes in making insightful staffing recommendations by focusing on human interaction, meaningful relationships, and matching the best candidates with the perfect company |
284 |
| 29 |
Maryland Department of Agriculturemda.maryland.gov
Dedicated to fostering profitable agriculture, environmental protection, and quality of life for Maryland residents through outstanding programs and services |
253 |
| 30 |
MaxSentmaxsent.com
A privately held company providing trained security officers to various clients nationwide, aiming to reduce threats and liability through partnerships |
230 |
| 31 |
Digital Marketing Companydigitalmarketingco.org
A Maryland-based agency specializing in web design, SEO, and internet marketing, creating custom-tailored websites and promoting businesses online for real results |
220 |
| 32 |
Chevys Fresh Mex SOL LLCchevysmd.com
The company offers handcrafted Fresh Mex庐 food made from scratch with fresh ingredients every day, ensuring a delicious dining experience |
187 |
| 33 |
Vision Innovation Partnersvisioninnovation-partners.com
A leading manager of ophthalmology practices in the Mid-Atlantic region, providing unified clinical practitioners with experienced management, technology, and back office support |
170 |
| 34 |
Anne Arundel County Department of Public Worksaacounty.org
The company provides public works services in Anne Arundel County, including water, wastewater, recycling, waste disposal, road maintenance, and environmental restoration projects |
168 |
| 35 |
SHUSHshushperformance.com
HealthTech company specializing in sleep analytics, offering a wearable platform with patent-pending algorithms to improve sleep diagnostics and management for enhanced performance |
161 |
| 36 |
RE/MAX Leading Edgelinktr.ee
A family-owned business focused on providing top-notch service, professionalism, and results Honest, trustworthy, knowledgeable, and dependable real estate services across multiple locations |
159 |
| 37 |
Significancesignificanceinc.com
A government consulting firm specializing in financial management, audit support, program management, SAP services, and training to exceed client expectations |
159 |
| 38 |
BLACKWOODblackwood.ai
A team of solution architects specializing in cybersecurity and data analytics for commercial enterprises and government agencies, facilitating digital transformation with confidence |
154 |
| 39 |
Maryland General Assembly
An executive office company located in Annapolis, Maryland that serves the Maryland General Assembly with a focus on legislative matters |
150 |
| 40 |
Bioenergy Devcobioenergydevco.com
Global leader in designing, engineering, financing, and operating anaerobic digestion facilities for renewable energy production and circular economies in local communities |
68 |
| 41 |
Flagship Advisory Partnersflagshipadvisorypartners.com
Boutique strategy consultancy and M&A firm specialized in payments and fintech, with a global client base and a team of 30 experienced professionals |
58 |
| 42 |
Ceremony Coffee Roastersceremonycoffee.com
Innovative specialty coffee company pushing boundaries in sourcing, roasting, and brewing exceptional coffees while supporting passionate individuals in the industry |
41 |
| 43 |
Further - Digital Solutions for Nonprofitsfurther-digital.com
A strategic marketing agency specializing in helping nonprofits grow revenue, find donors, and enhance engagement through data-driven strategies and analytics |
16 |
| 44 |
Technology Assessment & Transfer, Inctechassess.com
A high technology company develops and commercializes advanced ceramic materials for defense, bio-medical, and industrial applications, focusing on innovation and technology assessments for government agencies |
10 |
| 45 |
DKGIT (David-Kenneth Group Information Technologies)dkgit.com
The company specializes in helping organizations transform how they deliver hybrid IT services through strategic planning, migrations, modernization, disaster recovery, and optimization |
9 |
| 46 |
Chesapeake Energy Homescehbuilds.com
A multifaceted company in Maryland specializing in remodeling, custom home building, custom modular homes, additions, and site-built homes, with extensive experience and knowledge |
4 |
| 47 |
HRX Systems - HR Solutionshrxsystems.com
This company provides a comprehensive HR solution that includes HR management, employee benefits, payroll, all in one cloud-based software application |
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 Oct 24, 2026.
The same list elsewhere in United States
- The largest companies in the United States 91,669
- The largest companies in California 12,813
- The largest companies in New York State 10,485
- The largest companies in Texas 8,086
- The largest companies in Florida 4,945
- The largest companies in Illinois 4,175
- The largest companies in Pennsylvania 3,110
- The largest companies in Massachusetts 3,093
- The largest companies in Georgia 2,632
- The largest companies in Ohio 2,618
- The largest companies in New Jersey 2,569
- The largest companies in Virginia 2,503
- The largest companies in Michigan 2,346
- The largest companies in North Carolina 2,174
- The largest companies in Alabama 1,806
- The largest companies in Washington State 1,785
- The largest companies in Colorado 1,774
- The largest companies in Minnesota 1,700
- The largest companies in Maryland 1,527
- The largest companies in Wisconsin 1,482
- The largest companies in New York 6,920
- The largest companies in San Francisco 2,030
- The largest companies in Houston 1,791
- The largest companies in Chicago 1,668