Top 100 Internet of Things (IOT) Development Firms in California
The Best of December 2025Looking for a top IoT developer in California?
Internet of things (IoT) is able to generate “big” data which can help your company by creating new business opportunities and transforming its operations.
To assist you in your search for a partner, we’ve compiled this list of the top Internet of Things companies in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California IOT Consultants
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1$25,000+10 - 49 employeesPalo Alto, CARead More
Deepsea Developments, an IoT development company, was launched in 2017. Their small team is located in Palo Alto, California and Cali, Colombia and specializes in IoT development, architectural design, and custom software development.
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2$50,000+10 - 49 employeesCalabasas, CAAJProTech is a Calabasas, California-based Product Design company. The small firm was launched in 2014. Their services include Product Design, IoT development, Mobile App Development, and AR/VR development.Read More
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USPS Exxon Mobile Huupe Sound OasisIndustries
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3$100,000+250 - 999 employeesLos Angeles, CAIn Los Angeles, California; Santa Monica, California; New York, New York and San Francisco, California, TheoremOne is a midsize software development company. They focus on Custom Software Development, IT strategy consulting, Business Consulting, IoT development, and more and were founded in 2007.Read More
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AT&TIndustries
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4$25,000+10 - 49 employeesSan Francisco, CARead More
Stanfy is a San Francisco-based app development company. Founded in 2005, Stanfy has a team of about 12 employees who specialize in mobile app development, IoT development, and wearable app development. They primarily serve small and mid-market businesses.
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Merriam-WebsterIndustries
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5$25,000+10 - 49 employeesSan Francisco, CARead More
Yeti LLC is a software development and design company founded in 2010. They have 20 employees, all of whom work out of an office in San Francisco. Yeti's practice is extensive for a firm of its size; they offer custom software development, UI/UX design, mobile apps, and IoT development.
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GoogleIndustries
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6$25,000+50 - 249 employeesLos Angeles, CASpartan is a custom software development company based in Los Angeles, California; Da Nang, Vietnam and Ho Chi Minh City, Vietnam. The midsize firm was established in 2022. Their team specializes in custom software development, web development, mobile app development, IoT development, and more.Read More
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Liquidity FinancialIndustries
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7$25,000+250 - 999 employeesPalo Alto, CARead More
Reinvently is a mobile strategy and app development agency in Palo Alto, Calif. and Dallas. With a team of about 43 employees, the agency specializes in UI/UX design, research and consulting, and engineering.
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Men's WearhouseIndustries
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8Undisclosed10 - 49 employeesSunnyvale, CARead More
Founded in 1979, Voler Systems is a product design and IoT development company. The company specializes in product design and IoT development and has a small team.
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9$10,000+250 - 999 employeesMilpitas, CARead More
Founded in 2014, Teksun Inc. is a product engineering services company. Their team of around 25 employees is based in San Jose, Calif., with an additional office in Ahmedabad, India. They focus on IoT development, product design, and cloud consulting.
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QEPRIndustries
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10$5,000+50 - 249 employeesLos Angeles, CARead More
Futurealiti, an user experience design agency, was launched in 2016. The company focuses on ux/ui design, AR/VR development, content marketing, graphic design, and more and has a midsize team.
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11$25,000+250 - 999 employeesSan Jose, CARead More
VOLANSYS Technologies is a product realization and digital transformation company based in Ahmedabad, India, and founded in 2008. Their team of more than 350 employees specializes in IoT development, cloud consulting, and mobile app development.
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12$100,000+10 - 49 employeesSan Diego, CARead More
Seamgen is a San Diego, Calif.-based development firm established in 2008. It has a team of about 50 that does mobile app development, web development, UI/UX design, and custom software development.
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MedImpact, -
13Undisclosed50 - 249 employeesSanta Monica, CARead More
Nextware Technologies is a development agency based in Santa Monica, Calif., with another office in Valencia, Spain. Since 2006, the agency and its team of fewer than 10 have provided expertise in web, custom software, and mobile app development, web design, UX/UI design, and IT managed services.
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LandorIndustries
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14$10,000+10 - 49 employeesDelano, CARead More
iOPTIME is a Salesforce consultancy and web & mobile solutions company based in Islamabad, Pakistan. The company, founded in 2012, has a team of more than ten that provides CRM consulting & SI, mobile app development, IoT development, web development, and AI services. iOPTIME serves small and mid-market companies in the IT; consumer products & services; health care & medical; education; and GPS, navigation, & GIS industries.
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TELUS CommuncationsIndustries
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15$10,000+10 - 49 employeesSacramento, CARead More
Capitol Tech Solutions is a digital agency in Sacramento, Calif. and Houston. Founded in 2010, they have about 25 employees that serve mostly midmarket and small-business clients in the education, consumer product, and business sectors. Services include digital strategy, SEO, and web design.
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Ramos OilIndustries
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16$25,000+10 - 49 employeesDaly City, CARead More
Software development firm Talos Digital is located in Medellín, Colombia and Austin, Texas. The midsize team specializes in custom software development, ux/ui design, mobile app development, web design, and more and was founded in 2011.
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17$25,000+10 - 49 employeesLos Angeles, CAAI firm GlobalNodes is based in Los Angeles, California. The small agency was founded in 2023. Their team provides Artificial Intelligence, Product Design, Web Development, Mobile App Development, and more.Read More
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18$25,000+50 - 249 employeesNewark, CACalibraint Technologies is a Chennai, India-based blockchain company. The midsize team focuses on blockchain, custom software development, Artificial Intelligence, application management & support, and more and was launched in 2015.Read More
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19$50,000+10 - 49 employeesSan Diego, CARead More
Treeline Interactive is a software development company based in San Diego. Since being founded in 2004, it has grown to a team of about 54 that does IoT development, custom software development, mobile app development, and web development. Its clients are mostly midmarket and small businesses.
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Landmark Aviation -
20$25,000+2 - 9 employeesOakland, CAThink Circuits is an artificial intelligence company founded in 2023. The firm offers Artificial Intelligence and IoT development and has a small team.Read More
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21$1,000+2 - 9 employeesLos Angeles, CARead More
Themis Web Technologies is a software development company based in Los Angeles, California. Founded in 2007, they are a sole proprietorship that provides web development, e-commerce development, custom software development, and enterprise app modernization.
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Incited MediaIndustries
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22$10,000+10 - 49 employeesNewport Beach, CARead More
Wellnuts is a full-source software development company based in Minsk, Belarus, with an office in Newport Beach, Calif. The company, founded in 2012, has more than 20 employees who provide, among others, web development, custom software development, and mobile app development services.
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23$5,000+10 - 49 employeesLos Angeles, CARead More
indusriaLAX is a custom software and application development company based in Los Angeles, Costa Mesa, and San Diego, Calif. Founded in 2012, their team of less than 50 provides big and small businesses through CRM consulting, custom software development, and web development.
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Car Rental Help CenterIndustries
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24$50,000+10 - 49 employeesSan Francisco, CARead More
Appstem is a design and development agency with based in San Francisco. Since 2010, their team of 11 employees has been specializing in mobile app development, UX/UI design, AR/VR development, and more for mainly enterprise clients.
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Tesla MotorsIndustries
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25$5,000+50 - 249 employeesIrvine, CARead More
GoSaaS is a midsize Wilmington, Delaware-based ERP consulting and SI company. Founded in 2017, the team specializes in ERP consulting and SI, cloud consulting & SI, IoT development, and business consulting.
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26$10,000+50 - 249 employeesMenlo Park, CAIn Menlo Park, California and Coimbatore, India, Techjays is a midsize cloud consulting & SI company. Established in 2020, the team provides cloud consulting & SI, Custom Software Development, Web Development, Mobile App Development, and more.Read More
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27$1,000+2 - 9 employeesSan Diego, CARead More
Opel Labs is an application testing company. In San Diego, California, their small team specializes in application testing, IoT development, Artificial Intelligence, and custom software development. The agency was launched in 2020.
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28$10,000+2 - 9 employeesEscondido, CABased in Escondido, California, BuildLab Consulting is an advertising company. The small team specializes in advertising, branding, logo, cybersecurity, and more and was established in 2022.Read More
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29$100,000+50 - 249 employeesIrvine, CAEnvoy is a midsize e-commerce development company launched in 2010. Their services include E-Commerce Development and IoT development.Read More
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30Undisclosed50 - 249 employeesSan Jose, CAAssetpulse is an IoT development company. The San Jose, California-based firm was launched in 2006. Their team specializes in IoT development and IT strategy consulting.Read More
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