Irvine hosts a diverse array of companies with a strong presence in the mobile app sector, ranging from established retail and restaurant chains to innovative technology firms. Noteworthy examples include Taco Bell, a global Mexican-inspired quick service restaurant brand; Rivian, an electric vehicle manufacturer; TP-Link, a provider of networking devices; and loanDepot, a digital commerce company in the mortgage industry.
The companies on this list are predominantly mid-sized to large organizations, with several well-known brands among them. A prominent trend is the concentration of companies in the motor vehicle manufacturing sector, with Rivian, Kia America, and Mazda North American Operations all headquartered in Irvine, indicating a regional specialization in automotive innovation and distribution.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Taco Belltacobell.com
This company operates as a global Mexican-inspired quick service restaurant brand, with thousands of locations serving millions of customers weekly, part of a major restaurant group. |
83,421 | |||
| 2 |
Riviancareers.rivian.com
Innovative team dedicated to challenging conventional thinking and seeking new solutions to protect the outdoors for future generations |
11,979 | |||
| 3 |
TP-Linktp-link.com
Global provider of reliable networking devices and smart home products, enhancing connectivity and serving customers in over 170 countries. |
8,604 | |||
| 4 |
loanDepotloandepot.com
A digital commerce company revolutionizing the mortgage industry, offering lending and real estate services to simplify home ownership |
5,727 | |||
| 5 |
Tillystillys.com
Specialty retailer offering casual apparel, footwear, and accessories for young men, women, boys, and girls with diverse brand assortment. |
4,638 | |||
| 6 |
Kia Americakia.com
A technology-rich product lineup of cars, SUVs, and alternative-powered vehicles with an industry-leading warranty program Headquarters in Irvine, California |
4,616 | |||
| 7 |
Restaurant365restaurant365.com
cloud-based platform for restaurant accounting, inventory, workforce management, payroll, and integrations to optimize operations and improve guest experiences |
3,986 | |||
| 8 |
St. Joseph Healthprovidence.org
Healthcare organization undergoing a transition to the Providence name Stay connected for workplace culture, caregiver stories, and hiring information |
2,747 | |||
| 9 |
StretchLab Franchisestretchlab.com
A California-based company offering one-on-one and group stretching services to increase mobility, reduce pain, and enhance quality of life in a fun, communal environment |
2,272 | |||
| 10 |
Mazda North American Operationsmazdausa.com
Design, manufacture, and sell vehicles worldwide, focusing on driver experience, combining tradition, versatility, refinement, and power. |
2,251 | |||
| 11 |
Habit Burger & Grillhabitburger.com
A subsidiary of Yum! Brands, Inc, The Habit Burger Grill has been dedicated to serving quality made-to-order food for over 50 years |
2,239 | |||
| 12 |
iHerbch.iherb.com
A dedicated team committed to making health and wellness accessible for all through a curated selection of products and a positive culture |
1,795 | |||
| 13 |
YogaSixyogasix.com
This company offers energizing, empowering, and fun yoga classes with a focus on accessibility and individualized practice for a modernized experience |
1,363 | |||
| 14 |
Qcells North Americaqcells.com
Global provider of complete energy solutions in solar cell and module, energy storage, project business, and energy retail, serving utility, commercial, governmental, and residential markets worldwide |
1,175 | |||
| 15 |
BSH Home Appliances Corporation - North Americabsh-group.com
Manufacturing and marketing high-quality Bosch, Thermador, Gaggenau home appliances across North America through various retail and distribution channels. |
1,040 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
Mountain Mike's Pizza, LLCmountainmikespizza.com
A popular pizza chain on the West Coast offering crispy pepperoni pizza, large specialty pizzas, wings, salad, desserts, beer, and wine Franchise opportunities available |
846 | |||
| 17 |
ASICS America Corporationasics.com
A company dedicated to designing advanced footwear and athletic products, promoting a diverse and inclusive culture with a focus on work-life balance and community |
828 | |||
| 18 |
HomeSmart, Evergreen Realtyjoinhomesmartegr.com
A leading real estate brokerage in California, offering high-quality services for buyers, sellers, and investors, with experienced REALTORS and advanced technology |
734 | |||
| 19 |
Action Property Managementactionlife.com
A homeowner association management company in California, focusing on improving quality of life by providing tailored services for communities |
653 | |||
| 20 |
Acornsacorns.com
Acorns helps everyday consumers save and invest for the long term by offering automated investing, simple retirement products, a bank account, and bonus investments |
588 | |||
| 21 |
TP-Link Systems Inc.tp-link.com
Global provider of reliable networking devices and smart home products, enhancing connectivity and serving customers in over 170 countries. |
441 | |||
| 22 |
Auction.comauction.com
Leading online platform for foreclosure, bank-owned real estate auctions, making homeownership accessible through transparency, technology, and care for neighborhoods, buyers, sellers. |
433 | |||
| 23 |
Beta Bionicsbetabionics.com
Development and commercialization of advanced adaptive algorithm-based autonomous insulin delivery devices to improve diabetes treatment and patient quality of life. |
425 | |||
| 24 | 359 | ||||
| 25 |
Body Fit Trainingbodyfittraining.com
This company offers a 50-minute functional training program with science and technology-based techniques to help members achieve health goals in a group environment |
330 | |||
| 26 |
Pokeworkspokeworksfranchise.com
Spreads love of crisp, fresh, healthy Hawaiian poke, offering customizable orders for various diets including vegan and gluten-free, with proprietary sauces. |
273 | |||
| 27 |
MobilityWaremobilityware.com
A leading publisher of card and puzzle games, focused on bringing joy through popular mobile titles and a supportive work environment |
224 | |||
| 28 |
Lightspeed L.A.
A game development studio in Irvine, California, creating open-world games with a focus on player-driven gameplay and inclusive environment |
190 | |||
| 29 |
Hypericehyperice.com
Develops innovative recovery and movement enhancement products used globally by athletes and individuals to improve physical performance and well-being. |
165 | |||
| 30 | 136 | ||||
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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 12, 2026.
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The same list elsewhere in United States
- Companies with a mobile app in the United States 4,663
- Companies with a mobile app in California 827
- Companies with a mobile app in New York State 491
- Companies with a mobile app in Texas 366
- Companies with a mobile app in Florida 284
- Companies with a mobile app in Illinois 178
- Companies with a mobile app in Massachusetts 159
- Companies with a mobile app in Alabama 156
- Companies with a mobile app in Pennsylvania 130
- Companies with a mobile app in Washington State 128
- Companies with a mobile app in Georgia 117
- Companies with a mobile app in Ohio 114
- Companies with a mobile app in New Jersey 113
- Companies with a mobile app in Colorado 100
- Companies with a mobile app in North Carolina 96
- Companies with a mobile app in Michigan 95
- Companies with a mobile app in Virginia 93
- Companies with a mobile app in Arizona 87
- Companies with a mobile app in Minnesota 84
- Companies with a mobile app in Missouri 78
- Companies with a mobile app in Utah 78
- Companies with a mobile app in New York 371
- Companies with a mobile app in San Francisco 238
- Companies with a mobile app in Los Angeles 81