| # | Company | Employees |
|---|---|---|
| 1 |
RealPage, Inc.realpage.com
Global provider of software and data analytics for the real estate industry, helping clients improve performance and increase returns with innovative solutions |
9,112 |
| 2 |
The University of Texas at Dallasutdallas.edu
Public university offering diverse undergraduate and graduate programs, fostering innovation and advanced research in a rapidly growing metropolitan area. |
8,885 |
| 3 |
AdvoCareadvocare.com
A health and wellness company offering premium products to help customers feel and perform better, backed by scientific research and expert advisory board |
7,297 |
| 4 |
Lennoxlennox.com
A leading provider of climate control solutions for HVACR markets, focusing on innovation, energy efficiency, and a healthy environment with a diverse, engaged workforce |
7,132 |
| 5 |
Mavenirmavenir.com
Leading provider of end-to-end, cloud-native network software, transforming global connectivity with automated networks running on any cloud for 250+ clients worldwide |
5,462 |
| 6 |
Fossil Group, Inc.fossilgroup.com
A company specializing in unique accessories, offering a diverse range of brands including watches, handbags, jewelry, and leather goods with a focus on design and innovation |
4,843 |
| 7 |
Vistance Networksvistancenetworks.com
Provides reliable communication technology solutions focused on performance, innovation, and customer-driven value for a dynamic global market. |
2,068 |
| 8 |
Society of Petroleum Engineers Internationalspe.org
Global professional association for oil and gas industry professionals, promoting knowledge exchange, networking, and professional development through events, training, and publications |
2,034 |
| 9 |
Richardson Independent School Districtrichardson.k12.tx.us
A reputable school district in Dallas County, serving over 39,600 students with 54 campuses, known for educational excellence at state and national levels |
1,998 |
| 10 |
Ceragon Networksceragon.com
Global leader in 5G wireless transport solutions, providing innovative backhaul and fronthaul services for operators worldwide, increasing efficiency and enhancing customer experience |
1,990 |
| 11 |
InfoVision Inc.infovision.com
Leading global IT services company offering enterprise digital transformation and modernization solutions across various business verticals, helping clients with innovation and workflow transformation. |
1,970 |
| 12 |
Associaassociaonline.com
Specializing in community management, Associa has 300+ branches in North America, leading with education, expertise, and innovation for 75 million residents worldwide |
1,925 |
| 13 |
Service Expertsserviceexperts.com
A leading HVAC service provider in North America offering sales, installation, maintenance, and repair for heating, air conditioning, and indoor air quality systems Satisfaction guaranteed |
1,713 |
| 14 |
International Leadership of Texasiltexas.org
A public charter school with a global focus, offering bilingual education in English, Spanish, and Chinese, fostering international relationships and cultural exchange |
1,544 |
| 15 | 1,458 | |
| 16 |
RICHARDSON ISD
Primary/secondary education provider located in Richardson, Texas, focused on serving students in a diverse and innovative learning environment |
1,426 |
| 17 |
Golden Chickgoldenchick.com
The company specializes in serving its signature Golden Tenders at their Golden Chick restaurants, offering a unique and delicious dining experience |
1,403 |
| 18 |
Service King Collisioncrashchampions.com
A trusted nationwide collision repair provider with a focus on customer satisfaction, backed by a lifetime warranty and core values |
1,388 |
| 19 |
FPT Americasfptsoftware.com
A leading provider of outsourcing services focused on delivering innovative IT solutions to global clients across various industries |
1,381 |
| 20 | 1,305 | |
| 21 |
Fujitsu Network Communications1finity.com
Provider of digital transformation solutions for network operators worldwide, offering hardware, software, services for cost savings, faster delivery, and improved network performance |
1,268 |
| 22 |
Richardson ISD Special and Gifted Education PTAsites.google.com
A districtwide SEPTA in Richardson ISD supporting students with diverse learning needs through education, advocacy, support, and community engagement |
1,207 |
| 23 |
Coldwell Banker Apex, Realtorscbapex.com
A leading real estate firm with 21 locations in Texas, offering professional services to meet all real estate needs, with a strong woman-owned presence |
1,079 |
| 24 |
ETC (Electronic Transaction Consultants)quarterhill.com
ETC provides advanced intelligent transportation systems and services, offering tolling, congestion management, urban mobility solutions, and integrated back office platforms |
1,057 |
| 25 |
Outreach Health Servicesoutreachhealth.com
A health solutions company based in Dallas, Texas, offering innovative programs to improve health outcomes, support individuals at home, and lower costs |
953 |
| 26 |
Medi Clinicmediclinic.com
Financial services provider based in Richardson, Texas, offering various financial solutions and support to clients and businesses. |
911 |
| 27 | 832 | |
| 28 |
Region 10 ESCregion10.org
A regional service center providing innovative educational solutions for schools in north Texas, impacting over 810,000 students and 99,000 staff members |
814 |
| 29 |
MobileComm Professionals, Incust.com
A company partnering with global enterprises for over 20 years, focusing on transformation and providing insights for complex business issues |
736 |
| 30 |
GAINSCOgainsco.com
A property and casualty insurance company specializing in non-standard personal auto insurance, with a focus on minimum-limits coverage Acquired by State Farm in 2020 |
722 |
| 31 |
City of Richardson Texascor.net
The City of Richardson offers a high quality of life for residents and businesses, with a focus on excellence and innovation |
576 |
| 32 | 561 | |
| 33 |
ARGOargodata.com
Industry-leading software company founded in 1980 specializes in mission-critical solutions for financial services, fraud detection, and healthcare services with advanced technology capabilities |
547 |
| 34 |
Champion National Securitychamp.net
Largest privately held uniformed security guard services provider in Texas, emphasizing advanced technology, quality service, and strong core values. |
499 |
| 35 |
Vista Collegevistacollege.edu
Specialized career preparation and enhancement offered through various programs like Allied Healthcare, Information Technology, Business, and more at multiple campus locations |
473 |
| 36 |
Lennox Commerciallennox.com
A leading provider of dependable and innovative HVAC solutions since 1895, committed to keeping you comfortable year after year |
469 |
| 37 |
NAIL TECHbeautynail.de
A beauty app empowering over 3500 professionals, providing flexibility, higher income, and social impact through various partnerships and business opportunities |
461 |
| 38 |
Naveen Jindal School of Management, UT Dallasjindal.utdallas.edu
Providing high quality education and conducting relevant research to prepare future business leaders for a rapidly changing global society |
437 |
| 39 |
Royal Cateringroyalcateringdfw.com
Dedicated caterer providing complete catering solutions for business meetings, training classes, customer events, office parties, employee meals, and special events |
415 |
| 40 |
Texas Association of Sports Officialstaso.org
An organization supporting Texas high school sports officials with resources, training, and collaboration with various sports organizations to ensure fair competition |
382 |
| 41 |
Texans Credit Uniontexanscu.org
A community-focused financial institution prioritizing member well-being with a range of products and services, guided by core values and expertise |
381 |
| 42 |
Texas811texas811.org
A non-profit one-call notification center founded in 1984, Texas811 protects underground utilities and promotes public safety through stakeholder education and communication |
372 |
| 43 |
CompuGroup Medical UScgm.com
Global e-health provider offering cutting-edge IT solutions for healthcare industry stakeholders, improving efficiency, care quality, patient satisfaction, and profitability worldwide |
365 |
| 44 |
Hill & Wilkinson General Contractorshwgc.com
A full-service construction firm founded in 1968, offering design build, construction management, and general contracting services with a focus on quality work and customer satisfaction |
352 |
| 45 | 352 | |
| 46 |
MedeAnalyticsmedeanalytics.com
A leader in healthcare analytics using a data fabric enabled cloud platform to deliver actionable insights for payers, providers, and payviders |
338 |
| 47 |
Thomas Printworksthomasprintworks.com
A family-owned printing company with over 60 years of experience, offering commercial printing services to the architecture, engineering, and construction industries |
337 |
| 48 |
GuardTexas, Inc.guardtexas.com
A Texas-based private security firm with roots dating back to 1976, offering full-service security solutions to diverse industries and settings |
321 |
| 49 |
SHAH Capitalshah.com
Providing innovative solutions and services through our website to meet various needs and requirements |
321 |
| 50 |
Verveba Telecomverveba.com
A global provider of telecom engineering services and solutions specializing in wireless deployments, LTE/5G, network testing, RF design, field services, and testing products/software |
315 |
| 51 |
BestWay Rent To Ownbestwayrto.com
Since 1986, we have been the largest independent rent-to-own operator offering quality name brand products, exceptional customer service, and flexible ownership options with lowest price guarantee |
289 |
| 52 |
Tucker, Albin and Associatestuckeralbin.com
Specializing in commercial debt recovery and asset recovery, our experienced team helps businesses collect delinquent accounts and reduce outstanding debt effectively |
278 |
| 53 |
Generational Equity, LLCgenerational.com
Middle-market M&A firm assisting business owners with sales, mergers, and acquisitions, offering conferences and tailored marketing strategies for optimal results Buyer services also available |
277 |
| 54 |
Open Mortgageopenmortgage.com
Rapidly growing multi-channel mortgage lender empowering homeownership through loan originators, dedicated to assisting borrowers and fostering an inclusive work environment. |
276 |
| 55 |
S+H Searchs-hsearch.com
This company specializes in executive search and staffing services, focusing on accounting and finance roles. They serve various businesses, from small to Fortune 500. |
263 |
| 56 |
Nemo IT Solutions Incnemoitsolutions.com
IT services provider offering end-to-end solutions globally, customizing services for businesses, developing, maintaining, digitalizing operations, testing, handling big data, and ensuring quality and security |
237 |
| 57 |
Technoidentitytechnoidentity.com
A global organization creating disruptive software solutions to empower organizations tackling important issues and driving social impact through technology collaboration |
233 |
| 58 |
OTS Solutionsotssolutions.com
Global digital technology consulting company offering custom application development, CRM solutions, cloud services, Salesforce, RPA solutions, and software testing to enhance business processes |
227 |
| 59 |
L&S Mechanicallsmech.com
A leading provider of plumbing, HVAC, and electrical services for new home construction, known for excellence and highly trained technicians |
227 |
| 60 |
VLSIP Technologies, Inc.vlsip.com
A semiconductor company founded in 1984 offering design, manufacturing, and testing of electronic modules for various markets with strict quality standards |
185 |
| 61 |
AVA Consultingavaconsulting.com
Global staffing and services company specializing in providing highly talented resources for Fortune 1000 clients in multiple sectors through quality-driven recruiting methodologies |
184 |
| 62 |
Take Commandtakecommandhealth.com
A start-up revolutionizing healthcare by helping employers reimburse employees for individual insurance, empowering savvy healthcare consumers with superior user experience |
180 |
| 63 |
AMPEX BRANDS
A restaurant company headquartered in Richardson, Texas, offering a variety of dining options and culinary experiences to customers |
177 |
| 64 |
Adaptive Home Healthadaptivehh.com
A Plano-based healthcare company in North Texas providing industry-leading home healthcare services, specializing in high-acuity care with a skilled clinical team |
172 |
| 65 |
Discovery!discovery-training.com
A Dallas based company offering personal development workshops to help individuals discover their potential, improve relationships, and live with purpose and power |
156 |
| 66 |
VIVA Pediatric Healthcarevivapeds.com
Home health services specializing in Private Duty Nursing, Skilled Nursing Visits, and therapy for infants and children, offering comprehensive care with compassionate caregivers |
156 |
| 67 |
Engineered Air Balanceeabcoinc.com
Leading authority in total system balancing, building commissioning, and critical environment certifications Trains technicians and ensures optimal facility operation with integrity and expertise |
155 |
| 68 |
Generational Groupgenerational.com
Leading M&A firm advising privately-held business owners through growth and exit strategies, with a focus on achieving clients' transaction goals |
154 |
| 69 |
Matilda Cloudmatildacloud.com
Matilda Cloud enables businesses to migrate applications to the cloud, manage ongoing costs, automate release pipelines, and drive digital transformation efficiently |
153 |
| 70 |
Dynamic EcoHomedynamicecohome.com
Dynamic is a community fostering change through excellence, transparency, and inclusivity We lead by example, push boundaries, and give back to society |
150 |
| 71 |
Theatrotheatro.com
A Dallas-based technology startup creating voice-controlled wearables for retail, hospitality, and manufacturing to optimize employee performance and communication |
148 |
| 72 |
National Partners In Healthcarenphllc.com
Partnering with physicians and health systems to enhance anesthesiology practices, improve patient outcomes, and build strong healthcare relationships nationwide. |
148 |
| 73 |
Amplified Planningamplifiedplanning.com
Empowering financial planning professionals with guidance, resources, and training to excel in their careers and make a meaningful impact |
147 |
| 74 |
Smart AutoCaresmartautocare.com
Specializing in automotive industry solutions for over 20 years, we serve dealerships, financial institutions, and agents with innovative products and superior service globally |
146 |
| 75 |
HRsmarthrsmart.com
This company offers a Talent Management Solution to streamline employee lifecycle, recruitment, on-boarding, development, compensation, and tracking for businesses worldwide |
100 |
| 76 |
TNT Dentaltntdental.com
Creating custom websites and providing online marketing services for dentists, tailored to their unique goals and personality, with a focus on storytelling and driving patient bookings |
96 |
| 77 |
ENTOUCHentouchcontrols.com
A leader in energy management and smart building technology, offering solutions to optimize operations, reduce energy usage, drive profitability, and simplify facility management for multi-site businesses |
91 |
| 78 |
Brillfy Technology Incbrillfy.com
A technology company passionate about creating value through innovation, delivering cutting-edge solutions for global businesses with excellence and integrity |
86 |
| 79 |
Active-Semi International, Inc.active-semi.com
An emerging leader in power management and intelligent motor drive IC markets, offering SoCs for industrial, commercial, and consumer applications |
83 |
| 80 |
Reef Oil and Gas Companiesreefogc.com
A leading oil and gas exploration company specializing in timely property acquisitions, drilling prospects, and energy investment opportunities with a skilled workforce |
77 |
| 81 |
Online Rewardsonline-rewards.com
Technology and marketing services for private label incentive and loyalty programs for corporate and government clients globally, across various industries and applications. |
69 |
| 82 |
Polytronix, Inc.polytronix.com
Designs, manufactures, and markets liquid crystal displays for various industries including aerospace, military, medical, automotive, and industrial applications Also offers electromechanical assembly services |
57 |
| 83 |
Viyu Network Solutionsviyu.net
A technology consulting firm offering managed services, professional services, expert engineering support, and cloud architecture solutions to businesses nationwide |
41 |
| 84 |
Healthy Home 365healthyhome365.com
This company provides energy efficiency solutions to improve home comfort, reduce energy consumption, and create a healthy living environment for families |
26 |
| 85 |
WDW Financialwdwfinancial.com
A full-service financial company providing individuals and companies with personalized financial insight, products, and services with a friendly, personal approach |
25 |
| 86 |
Rodriguez Insurance Agency LLCriagency.us
Specializing in both commercial and personal insurance solutions to provide comprehensive coverage for individuals and businesses |
24 |
| 87 |
Intech USAusa-intech.com
A global provider of outsourced IT and Telecommunications development solutions, offering managed software development services, professional services, and advanced revenue-generating products |
21 |
| 88 |
Butler Property Companymanagedbybutler.com
A company in Texas offering sales, leasing, and property management services, providing the key to a happy home for clients |
18 |
| 89 |
MDS Global ITmdsglobalit.com
Specializing in IT consulting, MDS Global IT offers managed services, professional services, and partnerships with top vendors to provide personalized solutions for clients |
18 |
| 90 |
Polytronix Smart Glasspolytronixglass.com
An innovative US corporation specializing in LCDs and related products like Switchable Privacy Glass and LED Glass for global architects and designers |
16 |
| 91 |
Adjacent Solutionsadjacentsolutions.com
Specializing in Oracle solutions for on-prem and cloud technologies, providing end-to-end digital transformation consulting services from architecture to execution and management |
14 |
| 92 |
BlueCiateblueciate.com
The company specializes in technology-enabled automation of business processes, digital transformation, BPM CRM & ERP solutions, and improving service delivery |
13 |
| 93 |
LNRS, Inc.LNRSINC.com
A multi-national holding company with diverse portfolio in transportation, logistics, warehousing, and real estate, focusing on long term value creation |
13 |
| 94 |
Eiland Coffee Roasterseilandcoffee.com
Roasts and sells specialty coffee beans. Offers retail, wholesale, and subscription services. Operates cafes providing coffee, food, and expanded menus. |
11 |
| 95 |
Startup Runwaystartuprunway.global
An incubator fostering startup success by offering resources, a collaborative environment, and connections to investors and industry experts for growth |
11 |
| 96 |
Pharmco International, Inc.pharmcousa.com
Global company specializing in health, consumer, and medical products distribution, focusing on bringing quality, ethical products and equipment to the market |
8 |
| 97 |
Inroads Realtyinroadsrealty.com
A boutique real estate company in Dallas, Texas specializing in retail properties Offers brokerage and property management services |
8 |
| 98 |
Texila Energy LLCtexilaenergy.com
A subsidiary of an established oil and gas contracting company, aiming to expand into the US market and launch digital-based services |
7 |
| 99 |
Platinum Glass Texas, LLC
A residential glass company in the Dallas-Fort Worth area specializing in innovative mirror and shower door designs for home builders, remodelers, and the general public |
4 |
| 100 |
DTEL Corpdtelcorp.com
A global IT, Construction, and Engineering firm offering services from ideation to execution, specializing in digital transformation, telecom, retail, and renewable energy solutions |
4 |
Turn this list into pipeline
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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