While tech giants like Microsoft, Google, and Nvidia dominate artificial intelligence headlines, a group of smaller companies is quietly transforming industries and delivering impressive returns for investors. These mid-sized firms combine innovation with established business models, offering exposure to AI growth without the premium valuations of tech giants.
As of March 2025, several mid-cap AI specialists have emerged as particularly promising. Here’s a look at ten companies making significant impacts in their sectors.
1. Upstart Holdings, Inc. (NASDAQ: UPST)
Upstart Holdings has transformed lending by replacing traditional credit scoring with machine learning. The company’s AI platform analyzes over 1,600 data points to assess borrower risk, helping lenders approve more applicants while maintaining or reducing defaults.
The company’s stock has surged 92.47% over the past year as banks and credit unions increasingly adopt its technology. Upstart processed more than 2.1 million loans in 2024, up 43% from the previous year.
The company’s expansion into auto loans has opened another substantial market, with its AI platform now available to dealerships in 38 states.
2. SoundHound AI, Inc. (NASDAQ: SOUN)
SoundHound AI specializes in voice recognition technology for businesses. Unlike consumer voice assistants, SoundHound embeds voice AI into products across multiple industries, from cars to restaurants and smart devices.
The company’s stock has climbed 56.48% over the past year as major brands, including Stellantis, Hyundai, and White Castle, have adopted its technology. SoundHound’s restaurant voice ordering system now processes thousands of orders daily.
Its technology allows devices to understand complex requests without requiring cloud connectivity, addressing privacy concerns and speeding up response times.
“Voice is becoming the fourth sales channel alongside in-person, web, and mobile,” said technology researcher James Wilson. “SoundHound lets businesses deploy voice interfaces that understand context and handle complex interactions.”
With voice commerce projected to reach $80 billion annually by 2026, SoundHound appears well-positioned in this growing market.
3. FARO Technologies, Inc. (NASDAQ: FARO)
FARO Technologies specializes in 3D measurement and imaging solutions enhanced by artificial intelligence. The company’s scanning tools create detailed digital models of physical environments, used in applications from factory optimization to crime scene investigation.
With 36.14% stock growth over the past year, FARO has successfully added AI to transform its hardware into comprehensive solutions. Its laser scanners can capture millions of measurements in minutes and automatically recognize objects within scanned environments.
The company’s technology has been adopted across diverse sectors, from aerospace manufacturers using AI-enhanced scanning for quality control to architectural firms creating detailed building models. Law enforcement agencies increasingly use FARO’s solutions for forensic analysis and accident reconstruction.
FARO’s recent acquisition of mobile scanning technology has expanded its capabilities to include quick, on-the-go 3D capture, broadening its appeal to construction and public safety sectors.
4. C3.ai, Inc. (NYSE: AI)
C3.ai offers ready-to-use AI applications designed for specific industry challenges across energy, manufacturing, financial services, and government sectors. The company, founded by technology veteran Thomas Siebel, provides both pre-built applications and tools for developing custom AI solutions.
Despite competition from larger cloud providers, C3.ai has maintained its position through industry-specific expertise and partnerships with technology leaders, including Microsoft, Google Cloud, and Amazon Web Services. Clients include Shell, the U.S. Air Force, and Bank of America.
C3.ai’s predictive maintenance solutions have helped manufacturers reduce equipment downtime by up to 35%. Its energy management applications have enabled utilities to optimize grid operations, reducing costs while improving reliability.
5. Insight Enterprises, Inc. (NASDAQ: NSIT)
Insight Enterprises has evolved from a traditional IT provider into a technology solutions company with artificial intelligence at its core. The company helps organizations implement AI to improve efficiency, decision-making, and innovation.
With over 11,000 employees worldwide, Insight works with businesses to develop AI strategies, implement solutions and manage AI systems. Its advantage lies in vendor-neutral expertise across multiple technology domains, helping clients select the right AI tools for their specific needs.
“Mid-sized enterprises often struggle with AI implementation due to limited technical resources,” said technology consultant David Martinez. “Insight provides both strategic guidance and practical support, making AI accessible to organizations without specialized data science teams.”
6. UiPath Inc. (NYSE: PATH)
UiPath leads the robotic process automation (RPA) market, using AI to automate repetitive business tasks across finance, human resources, customer service, and operations. The company’s software robots now perform millions of tasks daily for over 10,000 organizations worldwide.
UiPath’s platform has evolved beyond simple automation to incorporate computer vision, natural language processing, and machine learning. This enables its robots to handle increasingly complex processes, including those involving unstructured data and decision-making.
The company’s largest customers have each automated more than 500 distinct processes, saving tens of millions annually. Recent platform enhancements integrate generative AI, allowing business users to create automations using natural language instructions, which could significantly accelerate adoption.
7. Lattice Semiconductor Corporation (NASDAQ: LSCC)
Lattice Semiconductor provides low-power programmable chips essential for AI applications in small devices. Unlike processors designed for data centers, Lattice’s field-programmable gate arrays (FPGAs) are optimized for environments with limited power and space.
The company’s semiconductors enable AI processing in devices ranging from security cameras and industrial sensors to automotive systems and communications equipment. As AI increasingly moves from centralized data centers to distributed edge devices, Lattice’s energy-efficient solutions address a crucial market need.
Lattice’s Nexus platform, designed for edge AI applications, delivers performance improvements while reducing power consumption by up to 75% compared to previous generations. This efficiency makes it possible to implement sophisticated AI in battery-powered and space-constrained devices.
The company has also simplified programming, with tools that allow engineers without specialized hardware expertise to implement AI functions on Lattice chips.
8. SentinelOne, Inc. (NYSE: S)
SentinelOne has disrupted the cybersecurity market with its AI-powered threat detection and response platform. Unlike traditional security solutions that rely on human analysts to investigate alerts, SentinelOne’s system automatically identifies and neutralizes threats without human intervention.
The company’s Singularity platform uses multiple AI algorithms to analyze behavior patterns across computers, cloud services, and connected devices. This allows it to detect novel attacks that might evade traditional security systems.
SentinelOne’s approach has proven particularly effective against ransomware and previously unknown exploits, with the platform capable of stopping attacks within seconds of detection. The system’s autonomous response capabilities have reduced average threat resolution time from hours to minutes for many organizations.
As cybersecurity talent remains scarce and attacks grow more sophisticated, SentinelOne’s AI-driven approach addresses both challenges by reducing reliance on human analysts while improving detection of advanced threats.
9. ZoomInfo Technologies Inc. (NASDAQ: ZI)
ZoomInfo Technologies has transformed business-to-business sales through its AI-powered intelligence platform. The company maintains a comprehensive database of over 100 million business professionals and 20 million companies, continuously updated through AI algorithms.
The platform uses machine learning to identify potential customers, provide accurate contact information, and reveal organizational relationships not apparent through public sources. Sales teams use this intelligence to identify decision-makers and engage prospects more effectively.
ZoomInfo’s AI capabilities extend beyond data collection to predictive analytics, helping companies identify which prospects are most likely to become customers. Its technologies also automatethe personalization of sales communications, increasing response rates.
“Data decay has always plagued B2B marketing,” said sales technology consultant Jennifer Adams. “ZoomInfo’s AI continuously refreshes contact information, company details, and organizational changes, ensuring that sales teams don’t waste time pursuing outdated leads.”
10. EPAM Systems, Inc. (NYSE: EPAM)
EPAM Systems combines engineering expertise with artificial intelligence to deliver digital transformation services across industries, including finance, healthcare, retail, and manufacturing. The company’s 49,000 engineers and consultants help clients design, build, and optimize AI-enhanced applications.
Unlike pure AI companies, EPAM focuses on practical implementation, helping organizations integrate AI capabilities into their existing systems and processes. This approach has proven valuable for established companies seeking to modernize operations without complete system replacements.
EPAM develops tailored AI solutions for different sectors. In healthcare, its applications help analyze medical images and predict patient outcomes. For retailers, the company’s solutions optimize inventory management and personalize customer experiences.
The company has established itself as a leader in responsible AI development, emphasizing transparency, fairness and privacy in its implementations – increasingly important as regulatory scrutiny of AI intensifies globally.
The mid-cap advantage in AI investing
These ten companies represent different aspects of the AI revolution, from specialized hardware and software to industry-specific applications. Their mid-cap status offers a unique combination of established business models and significant growth potential.
Unlike early-stage AI startups that may lack proven revenue, these companies have demonstrated commercial viability. At the same time, they remain nimble enough to adapt to the rapidly evolving AI landscape, often moving faster than larger competitors constrained by legacy systems.
For investors seeking exposure to artificial intelligence beyond tech giants, these mid-cap specialists offer opportunities to participate in AI’s continued growth. As the technology transforms more industries, companies with focused expertise and adaptable business models appear well-positioned in the expanding AI ecosystem.
Which of these mid-cap AI companies do you believe has the most promising technology for long-term growth, and why? Please share your thoughts below.