Tucson

529–552 of 715 companies

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  Scintillation Nanotechnologies

  Health

  Early stage · 2–10 employees · $220K raised

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  Scitechnation

  Early stage

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  Screen Surgeons

  Health

  Early stage · 2–10 employees

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  SEBRA & VanteBiopharm

  Health

  SEBRA & Vante Biopharm provides specialized radio frequency (RF) sealing and welding systems for the biopharmaceutical, medical device, and blood and plasma processing industries. The company operates as a brand within the Machine Solutions Inc. family, a provider of advanced equipment for medical device manufacturing. The company's history traces back to 1976 when Engineering Research & Associates was established, doing business as SEBRA. SEBRA developed and patented the first hand-held RF tube sealer, which became a key technology for sealing blood tubing. Over the years, the company expanded into the biopharmaceutical and medical device manufacturing sectors. In 2009, the SEBRA brand was sold to Haemonetics Corporation, and the original company was rebranded as Vante to focus on the medical device and biopharma markets. Vante was subsequently acquired by Machine Solutions in 2013. In a strategic move to consolidate its product portfolio, Machine Solutions re-acquired the SEBRA brand from Haemonetics in 2017. The core business involves manufacturing equipment that creates permanent, sterile seals on various types of medical-grade tubing, including TPE, PVC, and EVA. This technology is critical for processes where maintaining sterility during fluid transfer is paramount, such as in single-use biopharmaceutical manufacturing, blood collection, and cell therapy applications. The firm's product line includes portable hand-held sealers, bench-top models, and sterile tube welders. These devices utilize RF energy, which minimizes heat and reduces the risk of hemolysis in blood-related applications. The business serves a global client base that includes biopharmaceutical companies, blood and plasma centers, and medical device manufacturers.

  Early stage · 1 employees

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  Second Skin Audio

  Early stage

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  Secure Supplies Group

  Education, Energy

  Secure Supplies Group operates as a specialized architectural and project development firm focused on power and gas solutions. His earlier life was connected to his family's hotel and restaurant businesses in Australia, and his expertise in the gas and chemicals sector was developed while leading an agricultural chemical company. The firm evolved after developing new technologies for gas blending and handling. This led to an expansion into promoting hydrogen energy storage equipment and engine fueling technologies, primarily through new company formations in the Americas. The business designs and develops tailored power and gas solutions for clients with specific project site needs. Its core services revolve around gas purification, distribution, and renewable energy storage. Projects range from small-scale applications, such as 1 MW power solutions and 20 kg gas production, to large industrial systems up to 25 MW and 900 kg of gas production at controlled pressures.Secure Supplies Group serves a diverse industrial client base, including sectors like mining, flare gas capture, airport vehicle fueling, and remote power sites. The business model is service-based, with revenue generated from fees for architectural design, engineering, and project development. Pricing is determined by project size, complexity, and the level of engineering detail required. The company's expansion strategy has involved forming franchise partnerships in Mexico, India, South Africa, Europe, and Southeast Asia to address the global renewable market. In 2017, the group entered the markets for fuel cell gas supply (green hydrogen) and industrial oxygen and nitrogen, partnering with an Italian manufacturer for gas equipment. Consolidation of its businesses under the Secure Supplies Dubai entity was undertaken in mid-2017 to streamline global operations and investment.

  Early stage · 2–10 employees · $5.0M raised

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  Seedstucson

  Kids

  Early stage

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  Sell My Tucson Home

  Real estate

  Sell My Tucson Home, operating as the Jankowski Team, is a residential real estate group brokered by eXp Realty and powered by the PLACE platform. The team is led by founder Jeni Jankowski, a Realtor with over eight years of experience who has closed more than $70 million in lifetime sales. The team began to formalize in 2020 when Jeni's son, Blake, acquired his real estate license. The Jankowski Team serves a diverse client base in the greater Tucson, Arizona area, including Marana, Oro Valley, Vail, Sahuarita, and Green Valley, with a particular focus on first-time buyers and individuals over 55. They specialize in sought-after neighborhoods such as Stone Canyon, Dove Mountain, and the Catalina Foothills. The business operates on a relationship-based, concierge-style service model for both buyers and sellers. For sellers, services include staging consultations, high-end marketing, strategic pricing, 3D Matterport tours, and drone footage. For buyers, the team offers market analysis and negotiation guidance. Revenue is generated through real estate commissions on property transactions.

  Early stage

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  Sensor Group Llc, The

  Semiconductors

  Early stage · $1.7M raised

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  Sentinel Monitoring Systems

  Health

  Sentinel Monitoring Systems Inc. operates as a specialized developer of process monitoring systems tailored for the life sciences industry. The firm is venture-backed, having secured $3.5 million in a Series A funding round in October 2015, with investors including Phoenix Venture Partners and the Arizona Commerce Authority. The company's business model centers on the development and sale of sophisticated analytical instruments. Its clientele consists of global leaders within the life sciences sector who utilize Sentinel's products for real-time monitoring to ensure product quality and safety. The product portfolio is designed to detect and quantify potential contaminants during manufacturing. A key offering is the Sentinel Online Monitor, a multivariate spectroscopic analyzer that provides real-time monitoring of bioburden—the quantity of microorganisms on a surface or in a liquid. This is complemented by the Sentinel Sample Collector, which automates the collection of samples flagged by the online monitors, facilitating further analysis. Sentinel's technology provides critical data for bioprocessing, a market that demands stringent quality control. The instruments allow for continuous monitoring online, at-line (in close proximity to the process), and off-line. By offering tools like fountain flow cytometry (FFC) for bioburden quantification, Sentinel enables its customers to move from reactive to proactive process control, improving yields and reducing the risk of contamination events. In January 2022, Sentinel Monitoring Systems was acquired by Veolia Water Technologies & Solutions, a move poised to integrate Sentinel's specialized monitoring capabilities into a broader global water and process technology platform.

  Early stage · 1 employees · $3.5M raised

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  Septalabs

  Robotics

  Early stage · 1 employees

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  Seven Sisters Trading Co.

  Fashion

  Early stage

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  Shahida Parides

  Wellness & beauty, Fashion

  Early stage · 2–10 employees

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  Sharp Electric

  Energy

  Early stage

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  Shelp

  Jobs & recruitment

  Early stage · 2–10 employees

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  Sidecar Learning, LLC

  Early stage · 1 employees

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  Sidewindercustompools

  Early stage

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  Siensmetrica, Inc.

  Health

  Siensmetrica, Inc. is a technology company that addresses the crisis of trust and information overload in healthcare research. Founded in 2024 by a technology entrepreneur and a healthcare industry veteran, the company aims to empower clinicians and researchers to make confident, evidence-based decisions. The founding was inspired by a personal journey of one of the co-founders who, when faced with a medical condition that stumped doctors, discovered the immense and overwhelming volume of new medical studies, making it impossible for practitioners to keep pace. The company's core offering is the Tessa™ platform, which utilizes artificial intelligence, multi-vector content analysis, and advanced data science to analyze and score medical research. Tessa continually organizes, ranks, and updates scientific information, allowing users to quickly identify the most trustworthy and relevant insights. The platform employs a neural networking framework called TES (Transparency, Explainability, and Significance) to mimic human-like reasoning in assessing the trustworthiness of scientific information. This system evaluates nearly 200 variables that contribute to a paper's quality, categorizing them into five scoring groups to provide a quick assessment of factors like study design, sample size, and author affiliations. Users can delve deeper into elements such as author h-index, journal impact, funding sources, and peer reviews. Siensmetrica serves healthcare professionals, researchers, and practitioners who need to navigate the rapidly growing body of scientific literature. The Tessa platform's features include deep dive analysis, multi-vector rating, relationship visualization, and the ability to extract and search for images within research papers. By automating the filtering of poor-quality research, the platform enables users to improve healthcare outcomes. In December 2025, Siensmetrica joined the NVIDIA Inception Program, gaining access to resources to further develop the Tessa platform. The company has also established an advisory board comprised of experts in computer science, AI, cardiology, rheumatology, and microbiology to guide its mission.

  Early stage · 2–10 employees

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  Simply Bits

  Telecom, Hosting

  Early stage · 11–50 employees

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  SinfoniaRx

  Health

  Early stage · 201–500 employees

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  Skin Spectrum

  Health

  Early stage · 11–50 employees

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  SkyMesa Systems

  Security

  SkyMesa Systems is a software-first defense and dual-use company that specializes in radio frequency (RF) geolocation and emitter tracking. Based in Tucson, Arizona, the firm develops integration-ready capabilities designed for the defense and commercial sectors. The company's core offering is a backend, platform-agnostic software that plugs into existing RF hardware. This software turns RF detections into reliable location cues, enabling teams to act quickly even in complex environments. SkyMesa's system is designed to be operator-in-the-loop by default, providing cues, tracks with uncertainty, confidence levels, and reason codes to a human operator or an authorized autonomy stack for decision-making. It supports both single-platform and multi-sensor operations, adapting to mission constraints and available sensors. The technology serves several use cases, including counter-UAS cueing, persistent monitoring for anomaly detection, locating interference sources, and providing RF cues for broader intelligence, surveillance, and reconnaissance (ISR) workflows. SkyMesa Systems emphasizes a software-only approach, meaning it does not sell sensors or control platforms. The business model focuses on evaluation-first engagements and operational integration, partnering with prime contractors and integrators to slot its software into larger systems and architectures. The software is designed with clean interfaces for straightforward integration with Command and Control (C2) systems, user interfaces, or analytics pipelines. SkyMesa Systems has participated in the NavalX Defense Technology Accelerator and was part of the SDA TAP Lab Cohort 4. The company engages with clients by first understanding their use case, operating context, platform domain (air, ground, maritime, space), and integration needs to propose a low-friction evaluation plan.

  Early stage

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  Slogging

  Media

  Breakout · 201–500 employees

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  Smartmotorstucson

  Transportation

  Early stage