What NexSens Technology does

NexSens Technology, Inc. is a privately held US instrumentation company headquartered in Fairborn, Ohio, that designs and manufactures real-time environmental monitoring systems sold through a global distributor network spanning 19 countries. The company’s product architecture combines proprietary hardware (CB-Series data buoys from 75 lb to 1,250 lb buoyancy, X3 and X3-SUB environmental data loggers, T-Node FR thermistor strings, RTU-C telemetry units, and solar power packs) with a recurring-revenue software layer, the WQData LIVE cloud-based web datacenter, which provides 24/7 data access, historical trending, statistical reporting, public-portal sharing, and threshold-based alert notifications. Sensor integration is a core design principle: NexSens X-Series loggers interface with probes from at least ten third-party manufacturers (YSI, Lufft, OTT, Seametrics, Vaisala, SonTek, Airmar, Turner Designs, Sea-Bird Scientific, In-Situ) via standardized protocols including SDI-12, RS-232, and RS-485/Modbus, allowing customers to deploy mixed-sensor configurations over cellular, Iridium satellite, or Wi-Fi telemetry.

The business operates a sales-led go-to-market with channel partners handling regional sales, customer care, and fulfillment; the US is served through Fondriest Environmental, co-located at NexSens’ Fairborn headquarters, while international markets are served through specialist regional distributors in Canada, Mexico, Norway, the Netherlands, Germany, France, the UK, Iberia, Australia, New Zealand, Taiwan, Malaysia, Africa, and South America. Three revenue streams are in evidence: hardware product sales (buoys, loggers, sensors, accessories), WQData LIVE subscription software, and professional services (application engineering, installation support, training, and repair). Customer end-markets span federal government (U.S. Army Corps of Engineers on Snake/Columbia River dredging and reservoir temperature monitoring), academia (multi-university research including Cal Poly SLO’s 18-year Morro Bay deployment, Bowling Green, Syracuse, UW-Milwaukee), county government (Lancaster County Conservation District), and commercial consulting (Northern Resource Consulting).

Leadership is led by President Steve Fondriest (whose surname aligns with the Fondriest Environmental US distributor co-located at the same headquarters address, suggesting an affiliated or closely-held ownership structure), with Chief Engineer Doug Nguyen (15+ years tenure), Environmental Scientist Emily Holliday, and Manufacturing Manager Mickey Dao as additional named executives. The company is small (11-50 employees), shows no evidence of outside institutional investment, and competes in a niche industrial segment against larger environmental instrumentation vendors by emphasizing system integration breadth, plug-and-play sensor handling, and rugged field-deployable hardware rather than AI-native analytics.

Name

NexSens Technology

Legal name

NexSens Technology, Inc.

Website

https://nexsens.com

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

NexSens Technology is a privately held Ohio-based manufacturer of real-time environmental monitoring systems, selling proprietary data buoys, X3 data loggers, and the WQData LIVE cloud platform through a 19-country distributor network to universities, federal agencies (including US Army Corps of Engineers), and environmental consultants.

Ownership category

akta.pro rank

Product category

Environmental Monitoring Systems

NAICS

Environmental Consulting Services (54162), Totalizing Fluid Meter and Counting Device Manufacturing (334514), Environmental Consulting Services (541620)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Totalizing Fluid Meters & Counting Devices (3824)

akta.pro primary industry

Online Monitoring, Sensors & Instrumentation (SCADA-integrated analyzers, probes, samplers) (EUANAJAC)

akta.pro secondary industries

Continuous/Remote Monitoring Systems (IoT Sensors, Telemetry, Networks) (EUAHACAL), Water Quality Monitoring (Surface Water, Stormwater, Drinking Water) (EUAHACAC), Environmental Reporting, Dashboards & Regulatory Submittals (Automated Reports, e-Reporting) (EUAHAKAL), Environmental Monitoring, Data & Reporting (Air/Water/Soil) (BPAIAMAC)

Keywords

• Environmental monitoring systems
• Water quality monitoring
• Data buoy platforms
• Real-time telemetry
• Cloud data management

Headquarters

HQ city

Fairborn

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Hardware Products: Sale of data buoys (CB-75 through CB-1250), data loggers (X3, X3-SUB), sensors (water quality, water level, weather, velocity/currents/waves), and accessories including solar power packs. Products sold through distributors globally and direct US sales via Fondriest Environmental.
2. WQData LIVE Software/Subscription: Cloud-based web datacenter providing data management, storage, visualization, reporting, alert notifications, and public portal features for environmental monitoring data.
3. Professional Services: Application engineering and scientific support for design, setup, operation, installation, training, and repair services to ensure successful project startup and ongoing operation.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

NexSens Technology designs and manufactures real-time environmental measurement systems combining purpose-built data buoys (CB-75 through CB-1250), environmental data loggers (X3 and X3-SUB), and an integrated suite of water-quality, water-level, weather, velocity/current/wave sensors. Data is transmitted via cellular, Iridium satellite, or Wi-Fi telemetry and centralized through the WQData LIVE cloud-based datacenter for visualization, reporting, alerting, and public sharing. The offering targets government agencies, universities, and environmental consultants conducting water-quality, dredging, reservoir, coastal, and drinking-water monitoring projects.

Product overview

NexSens Technology offers an integrated environmental monitoring platform comprising hardware (data buoys, data loggers, sensors) and software (WQData LIVE cloud datacenter) for real-time environmental measurement and data management. The CB-series data buoys (ranging from CB-75 to CB-1250 based on buoyancy capacity) serve as floating platforms, while X3 and X2 environmental data loggers collect and transmit sensor data via cellular, satellite, or Wi-Fi telemetry. The WQData LIVE web datacenter provides centralized data management, visualization, reporting, and alert capabilities. The system integrates with third-party sensors from YSI, Sea-Bird Scientific, Airmar, SonTek, Lufft, Turner Designs, In-Situ, and others.

Differentiator

Problem solved

Functional benefit

Brands

• WQData LIVE: Cloud-based web datacenter platform for collecting, storing, and sharing environmental data with real-time monitoring and alert notifications.

Products and services

• WQData LIVE Web Datacenter Cloud-based datacenter software for collecting, storing, and sharing environmental data, providing historical trends, statistics, data tables, public portal sharing, and alert notifications when monitored parameters exceed or fall below thresholds. Used by environmental professionals to manage data from NexSens buoys and data loggers deployed in the field.
• X3 Environmental Data Logger Next-generation environmental data logger with wireless communication, large plug-and-play sensor library, ultra-low power consumption, and built-in sensor detection. Connects to popular water quality, water level, velocity, current, wave, weather, solar radiation, and soil sensors and transmits data to the cloud in real time using cellular, Iridium satellite, or Wi-Fi telemetry. Used by environmental scientists and engineers building multi-parameter monitoring stations.
• X3-SUB Submersible Data Logger Rugged, self-powered remote data logger designed specifically for offshore use without risk of accidental flooding. Automatically recognizes attached sensors and sends data via cellular or satellite telemetry. Used for submerged deployments where flooding-tolerant, unattended operation is required.
• CB-75 Data Buoy Compact data buoy for lakes, rivers, and coastal waters with 75 lb buoyancy capacity, used for small-scale real-time water-quality and environmental monitoring deployments.
• CB-75-SVS Wave Buoy Wave measurement buoy variant equipped with sensors for wave height, period, and direction monitoring in lakes, rivers, and coastal waters.
• XB-200 Data Buoy Data buoy designed for various water environments with integrated data logger, solar charging, and internal batteries for self-powered real-time monitoring.
• CB-450 Data Buoy Data buoy designed for deployment in lakes, rivers, coastal waters, harbors, and estuaries with robust wave action. Features an instrument well for data loggers and batteries, passthrough pipes for sensors, and 10-watt solar panels. Used by agencies and consultants for active-water monitoring such as dredging operations.
• CB-650 Data Buoy Mid-size data buoy with 650 lb buoyancy capacity for open water monitoring applications in lakes, rivers, and coastal environments.
• CB-950 Data Buoy Large data buoy with 950 lb buoyancy capacity designed for demanding open water deployments requiring robust stability and payload capacity.
• CB-1250 Data Buoy Largest buoy model with 1250 lb buoyancy capacity for offshore and challenging marine environments requiring high payload and stability.
• NexSens T-Node FR Temperature String Thermistor string providing high-precision temperature measurement in an addressable and connectorized assembly for temperature profiling up to 200 meters deep, with fast response time. Used for reservoir temperature profiling and dam-release studies.
• NexSens SP-Series Solar Power Packs Solar power system with solar panel, regulator, and battery housed in a weather-tight enclosure, designed for use with NexSens X-Series data loggers to enable long-term unattended field deployment.
• NexSens RTU-C Remote Telemetry Unit Cellular or Iridium telemetry device for X2 data loggers with fallback to internal data logger telemetry. Watertight, operates in extreme environments with adjustable transmission settings via embedded Wi-Fi.
• NexSens M650 Solar Marine Light Solar marine light beacon with 4 nautical mile range for CB-series data buoys, used to mark buoy locations for marine safety and navigation compliance.

Named customers9 records

Segments1 record

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration22 records

AI capability2 records

Feature5 records

Partnerships

24 partnerships are on record, tiered primary, core and minor.

• Fondriest Environmental, Inc.primaryChannel Partner/ Reseller/ DistributorAuthorized US distributor for NexSens products located at 2091 Exchange Court, Fairborn, OH 45324. Provides sales, customer care, and product fulfillment for US customers. Website: www.fondriest.com
• Hoskin Scientific LtdcoreChannel Partner/ Reseller/ DistributorAuthorized NexSens distributor for Canada. Located at 3735 Myrtle Street, Burnaby, BC V5C 4E7, Canada.
• NexSens-Europe (Mike Voellmecke)coreChannel Partner/ Reseller/ DistributorRegional distributor for European markets. Based in Elche, Spain.
• Miljø og Vann AScoreChannel Partner/ Reseller/ DistributorAuthorized NexSens distributor for Norway. Located at Lise Maries vei 2, 1459 Nesodden, Norway.
• Base FlowcoreChannel Partner/ Reseller/ DistributorNexSens distributor for Mexico and South America. Located at 7950 NW 71st Street, Miami, FL 33166.
• Nautikaris b.v.coreChannel Partner/ Reseller/ DistributorNexSens distributor for Netherlands and Belgium. Located at Margadantstraat 36, 1976 DN IJmuiden, The Netherlands.
• Imbros Pty LtdcoreChannel Partner/ Reseller/ DistributorNexSens distributor for Australia and New Zealand. Located at 1059 Cambridge Road, Cambridge, TAS 7170, Australia.
• OceanNet SLcoreChannel Partner/ Reseller/ DistributorNexSens distributor for Portugal and Spain. Located at AV. Mediterraneo 135, Flat 3rd, Office 12, 03725, Teulada, Alicante, Spain.
• Elcee Instrumentation & Services Sdn BhdcoreChannel Partner/ Reseller/ DistributorNexSens distributor for Asia region. Located at No. 16, Jalan Kidamai 2/1, Taman Perindustrian Kidamai 2, 43000 Kajang, Selangor Darul Ehsan, Malaysia.
• RS HydrocoreChannel Partner/ Reseller/ DistributorNexSens distributor for United Kingdom. Located at Canalside, Harris Business Park, Stoke Prior, Bromsgrove B60 4DJ, United Kingdom.
• GeOceanTechcoreChannel Partner/ Reseller/ DistributorNexSens distributor for Taiwan. Consultancy service and equipment distributor based in Taipei, Taiwan. Founded in 2011. Supports National Academy of Marine Research with metocean buoy deployments.
• DeepBlue TechnologycoreChannel Partner/ Reseller/ DistributorNexSens distributor for France. Located at 11 Place Fernand Lafargue, 33000 Bordeaux.
• terra4 GmbHcoreChannel Partner/ Reseller/ DistributorNexSens value-added distributor for Germany (buoy-based and monitoring solutions). Founded in 2002 by four geoscientists from Freie Universität Berlin. Owned and operated by Ronald Varlemann and Carsten Wirtz.
• NexSens-AfricaminorChannel Partner/ Reseller/ DistributorRegional distributor for Africa. Contact via +1 937-426-2703 or [email protected].
• YSI (water quality sensors)coreTechnology or IntegrationIntegration partner for water quality sensors. NexSens systems compatible with YSI EXO2 and EXO3 Multi-Parameter Water Quality Sondes, YSI ODO RTU Optical Dissolved Oxygen Sensors, YSI ProSwap Loggers.
• Lufft (weather stations)coreTechnology or IntegrationIntegration partner for weather monitoring. NexSens X-Series loggers compatible with Lufft WS-Series Smart Weather Stations measuring air temperature, humidity, pressure, precipitation, solar radiation, lightning, and wind.
• OTT HydroMet (meteorological sensors)coreTechnology or IntegrationIntegration partner for meteorological and hydrological sensors.
• Seametrics (water monitoring sensors)coreTechnology or IntegrationIntegration partner. NexSens compatible with Seametrics Turbo Turbidity Logger, TempHion pH/ORP Logger, TempHion Bromide Logger, CT2X Logger.
• Vaisala (weather sensors)coreTechnology or IntegrationIntegration partner for meteorological sensors.
• SonTek (current meters)coreTechnology or IntegrationIntegration partner for water velocity and current measurement. NexSens compatible with SonTek-SL Side-Looking Doppler Current Meters.
• Airmar (weather stations)coreTechnology or IntegrationIntegration partner for marine weather stations. NexSens buoys equipped with Airmar 200WX Ultrasonic WeatherStation for air temperature, barometric pressure, and wind measurements.
• Turner Designs (fluorometers)coreTechnology or IntegrationIntegration partner for submersible fluorometers. NexSens compatible with Turner Designs C3 and C6P Submersible Fluorometers.
• TriOS (optical sensors)coreTechnology or IntegrationIntegration partner for optical sensors for environmental monitoring.
• Sea-Bird Scientific (CTD sensors)coreTechnology or IntegrationIntegration partner. NexSens X-Series data loggers compatible with Sea-Bird Scientific HydroCAT CTD measuring conductivity, temperature, pressure, and optical dissolved oxygen.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Fondriest Environmental: Fondriest is NexSens's primary US distributor but also acts as an independent systems integrator for environmental monitoring projects, supplying multi-vendor sensor and logger solutions. Represents both a channel partner and a partial competitor that can substitute alternative platforms.
• YSI (a Xylem brand): YSI manufactures leading water quality sondes (EXO series) and integrated monitoring platforms and is also a sensor partner integrated into NexSens systems. As a vertically integrated incumbent, it competes with and supplies NexSens in overlapping water quality applications.
• Hach (a Danaher company): Hach produces a broad portfolio of water quality analyzers, sensors, and continuous monitoring systems for drinking water and environmental compliance. Competes with NexSens at the larger municipal and industrial scale and offers cloud-based data management features.

Direct peers

• Sea-Bird Scientific: Sea-Bird Scientific provides CTD, oceanographic, and water quality sensors used in profiling buoys and autonomous monitoring platforms. Comparable in sensor technology integration into offshore monitoring systems and shares customers in research and government oceanography.
• Stevens Water Monitoring Systems: Stevens designs and manufactures water quality and hydrological monitoring instruments, sondes, and data logging systems for environmental and water utility customers. Directly comparable in the water quality instrumentation category and overlapping distribution channels.
• OTT HydroMet: OTT HydroMet supplies meteorological and hydrological sensors, data loggers, and complete monitoring stations for water level, weather, and water quality applications. Comparable to NexSens as a sensor integration partner with overlapping weather and water monitoring product lines.
• Campbell Scientific: Campbell Scientific designs and manufactures rugged data loggers, sensors, and communications for environmental, meteorological, and hydrological monitoring worldwide. Highly comparable to NexSens's data logger + sensor + telemetry platform, serving overlapping academic and government customers.
• Sutron Corporation: Sutron builds real-time environmental monitoring systems for hydrological, meteorological, and water quality applications, including data loggers, telemetry, and SCADA-integrated stations. Directly comparable to NexSens's buoy and station-based monitoring offerings for utilities and government agencies.
• Aanderaa Data Instruments: Aanderaa designs oceanographic and environmental sensors, data loggers, and buoys for long-term marine and freshwater monitoring. Closely comparable to NexSens in offshore self-contained data buoy and ocean monitoring instrumentation.
• Onset Computer Corporation (HOBO): Onset's HOBO data loggers and weather stations provide plug-and-play environmental monitoring with web-based data access, targeting researchers and field professionals. Comparable to NexSens's X3 logger and WQData LIVE platform in positioning and ease-of-use messaging.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/nexsens

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about NexSens Technology