What Marathon Products does

Marathon Products, Inc. (doing business as SpotSee) is a San Leandro, California-based manufacturer founded in 1991 that designs and supplies temperature, humidity, CO2, and vibration data logging devices for cold-chain and regulated-environment customers. Its product portfolio spans single-use and multi-use electronic loggers covering temperature ranges from -200°C cryogenic through +300°C high-temperature, including the microDL, MaxiLog, EDL, c\temp, and 3C\TEMP-ULTRA families, complemented by a software suite (MaxiThermal, MaxiThermal2, MDAS-Pro, MDAS Read-Only), NIST-traceable calibration services, and temperature/humidity mapping services for warehouses, cold rooms, and vessels. Connectivity options across the line include USB, NFC, Bluetooth, WiFi, RF wireless, and Ethernet, with IP66/IP67 environmental ratings and IATA-compliant battery configurations for air-shipment use cases.

The company sells through a direct, sales-led motion — phone (800-858-6872), website contact forms routed through spotsee.io, and minimum-order-quantity volume programs — primarily to enterprise and mid-market buyers in pharmaceutical and biotechnology, food and agriculture, blood banks, cryogenics and laboratory research, Covid/vaccine distribution, and semiconductors and chemicals. All products are NIST-traceable and the firm offers 21 CFR Part 11 compliant software editions for FDA/GxP-regulated environments, positioning calibration, regulatory documentation, and validated cold-chain monitoring as core value drivers. Revenue mechanics combine hardware sales, proprietary software licensing, calibration/certification services, and temperature mapping professional services, with named enterprise customers including HDMicroSystems (DuPont) for dry-ice semiconductor precursor shipments. Marathon operates as a privately held corporation with no disclosed funding rounds, parent company, or institutional investors.

Name

Marathon Products

Legal name

Marathon Products, Inc.

Website

https://marathonproducts.com

Company type

Private

Founded year

1991

Operating status

Operating

Headcount range

11–50 employees

Short description

Marathon Products (SpotSee) designs and manufactures temperature, humidity, CO2, and vibration data loggers for cold-chain compliance, serving pharmaceutical, biotech, food, blood bank, cryogenic, and semiconductor customers through direct enterprise sales and proprietary software.

Ownership category

akta.pro rank

Product category

Cold Chain Temperature Monitoring Devices

NAICS

Other Measuring and Controlling Device Manufacturing (334519), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512)

SIC

Laboratory Analytical Instruments (3826), Refrigeration & Service Industry Machinery (3580)

akta.pro primary industry

Temperature data loggers & probes (in-transit and storage) (TLAEALAA)

akta.pro secondary industries

Cold Chain Monitoring, Data Logging & Chain-of-Custody Services (TLACAMAL), Cold Chain, Cryopreservation & Biologics Storage/Handling Technologies (HLAAAJAN), Cold Chain & Temperature-Controlled Storage Equipment (IMAHAKAJ)

Keywords

• Temperature data loggers
• Cold chain monitoring
• Environmental data logging
• Cryogenic temperature sensors
• Pharmaceutical monitoring devices

Headquarters

HQ city

San Leandro

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Hardware Data Logger Sales: Sale of temperature, humidity, CO2, and vibration data logging devices. Products available in single-use and multi-use configurations with various temperature ranges and features.
2. Proprietary Software Licensing: Sales of proprietary software including MDAS-Pro, MaxiThermal2, MaxiThermal, MaxiThermal-X, MaxiThermal-XYZ, and 21 CFR Part 11 compliant software for data analysis and regulatory compliance.
3. Temperature Mapping Services: Temperature and humidity mapping services for facilities including warehouses, cold rooms, refrigerators, and vessels to ensure environmental control compliance.
4. Calibration and Certification Services: Temperature data logger calibration services including NIST certificates and optional calibration reports with data.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels2 records

Core offering

Marathon Products designs, manufactures, and supplies temperature, humidity, CO2, and vibration data logging devices for monitoring temperature-sensitive products during storage and transportation. The company offers single-use and multi-use electronic data loggers with temperature ranges from -200°C (cryogenic liquid nitrogen) to +300°C (high-temperature autoclave), using thermistors, RTD sensors, and proprietary firmware. Product portfolio includes the microDL, MaxiLog, EDL, c\temp, and 3C\TEMP-ULTRA series, complemented by proprietary software (MaxiThermal2, MDAS-Pro) and professional temperature mapping and calibration services for FDA/GxP-regulated industries.

Product overview

Marathon Products (now SpotSee) offers a comprehensive portfolio of temperature data collection and monitoring solutions. The product line includes single-use and multi-use electronic temperature data loggers with various form factors (coin-sized, palm-sized, compact), connectivity options (USB, Serial, NFC), and temperature ranges (from -200°C cryogenic to +125°C high temperature). Key product lines include the microDL series for cryogenic applications, MaxiLog series for general purpose and humidity monitoring, EDL series for dry ice applications, c\temp series for single-use cold chain monitoring, and 3C\TEMP-ULTRA laboratory grade loggers. Supporting software includes MaxiThermal, MaxiThermal2, MDAS-Pro, and MDAS Read-Only for data management and analysis. The portfolio also includes accessories (USB cables, reader stations, mounting brackets) and professional temperature mapping services. All products are NIST-traceable with Certificates of Calibration.

Differentiator

Problem solved

Functional benefit

Products and services

• microDL-200°C Temperature Data Logger Multi-use cryogenic liquid nitrogen temperature data logger with coin-sized compact form factor, external thermistor probe, LCD display, and USB interface. Monitors and validates critical stem cells and biologics during transportation and storage at temperatures from -200°C to +72°C. NIST-traceable, CE certified.
• MaxiLog2 Multi-Use Temperature Data Logger Multi-use electronic temperature data recorder with LCD display and direct USB connectivity for refrigerated vaccines, biological material, chemicals, and pharmaceuticals. Temperature range: -20°C to +70°C.
• MaxiLog-PDF GEN2 Temperature Data Logger Single-use 90-day temperature data logger with USB connectivity and automatic PDF report generation. Pre-programmed for cold chain applications escorting pharmaceuticals, seafood, dairy, meat, and other refrigerated products. IP66/IP67 rated. No special software required.
• EDL-80C GEN2 Temperature Data Logger Multi-use compact temperature data logger with built-in USB for monitoring dry ice shipments. IP66 rated for moisture resistance. Designed for -80°C temperatures during transportation of biologics, vaccines, and ultra-frozen products. IATA-FAA Compliant approved battery.
• 2c\temp-LCD Temperature Data Logger Multi-use water-resistant temperature logger with real-time LCD display for instant acceptance or quarantine decisions. Thumb-sized form factor for easy placement in small spaces. NIST-traceable with Certificate of Calibration.
• MaxiLog-RH Multi-Use Temperature and Humidity Logger Multi-use compact temperature and humidity data logger with LCD display and direct USB connectivity. Measures temperature and relative humidity profiles during shipment and storage of pharmaceuticals and perishables. NIST-traceable.
• 3C\TEMP-ULTRA -200°C Laboratory Grade Temperature Logger Multi-use laboratory grade high-accuracy digital sensor temperature data logger with LCD screen and NFC-enabled interface for liquid nitrogen applications. Probe range from -200°C to +300°C. NIST-traceable with Certificates of Calibration. Enables smartphone PDF report generation and email distribution.
• 3C\TEMP-RH Temperature & Humidity Logger Multi-use electronic temperature and humidity data recorder with LCD screen. NIST-traceable with Certificates of Calibration. Designed for transportation of refrigerated vaccines, biological material, chemicals, and pharmaceuticals.
• c\temp-USB-90C Single-Use Temperature Logger Single-use dry ice temperature data logger with USB connectivity for -90°C shipments. IP66 rated for moisture prevention. Pre-programmed with language conversion on-the-fly. Minimum order of 20 units.
• c\temp-USB-80C Single-Use Temperature Logger Single-use dry ice temperature data logger with USB connectivity for -80°C shipments. Compact design with moisture resistance. Used by Fortune 500 companies globally for dry ice shipments.
• MaxiThermal2 Software Desktop application for managing and analyzing data from USB data loggers. Allows viewing up to 8 multiple traces, transferring recorded information, generating reports with graphic representations and unlimited zoom. Compatible with 3c\temp-USB, 3c\temp-RH, EDL-RTD2, EDL-LN2, MaxiLog-LN2, and MaxiLog-RTD2.
• 3C\TEMP-USB Temperature Logger Multi-use user-programmable electronic temperature data recorder with LCD screen. NIST-traceable with Certificates of Calibration and Traceability. Temperature range: -29°C to +72°C.
• microDL Digital Display Temperature Logger Coin-sized multi-use programmable data logger with LCD display for displaying and recording temperatures. Available in 8K, 32K, or 64K memory sizes with various temperature range configurations and probe options.
• TempCheck3 Strip Chart Temperature Recorder Single-use strip chart temperature recorder with analog bi-metal coil sensor. Displays time and temperature on strip chart paper in Celsius and Fahrenheit. Available in 7, 16, 30, or 60 day run-time options. CE certified. Minimum order of 24 units.
• MaxiLog-Hx Temperature Data Logger Compact edge alert monitor for specialty pharmacies and pharmaceutical drug wholesalers. LED indicators show alarm status for end-user quality assurance compliance. Compact size for direct-to-patient prescription shipments. IP66 rated.
• 2c\temp-USB Temperature Data Logger Low-cost water-resistant multi-use temperature data logger for managing the cold chain. Palm-sized design with 16k memory and 3-year battery shelf life. USB connectivity.
• MaxiLog Single-Use Temperature Data Logger Single-use pre-programmed electronic temperature data recorder with LCD screen showing real-time TOA notification. NIST-traceable for measuring temperatures during transportation of vaccines, biological material, and pharmaceuticals.
• MDAS-Pro Software Desktop application for managing and analyzing data from multiple data loggers across multiple locations. With IP Address access, data loggers can be centrally monitored and managed. Supports up to 16 multiple traces with rotating 3D views and Mean Kinetic Temperature calculation.
• c\tempAA DLT Single-Use Temperature Logger Single-use pre-programmed electronic temperature recorder with larger format and extended battery life for dry ice shipments and storage. Temperature range: -80°C to +30°C.
• c\temp-LCD Temperature Data Logger Single-use pre-programmed electronic temperature data recorder with real-time LCD display for instant acceptance or quarantine decisions of perishable shipments. NIST-traceable.
• c\tempAA DSC Single-Use Temperature Logger Single-use pre-programmed electronic temperature recorder for low temperature monitoring with extended battery life. Temperature range: -40°C to +72°C.
• ez Logger High Temp High temperature data logger with stainless steel (316 grade) construction and IP-67 environmental protection. Measures temperatures from -40°C to +125°C. Suitable for autoclave applications.
• EDL-CO2 Temperature Logger Multi-use compact data logger capable of operating at -80°C in direct contact with dry ice. Designed for extended environmental monitoring in laboratory freezers, blood banks, and research facilities.
• 2c\temp Temperature Data Logger Entry-level multi-use temperature data logger offering best value for cold chain management. Low-cost solution for temperature monitoring of refrigerated vaccines, biological material, and pharmaceuticals.
• 3CTEMP-USB -200°C Temperature Logger Multi-use cryogenic temperature data logger with dual sensors — internal ambient sensor and external RTD stainless steel probe. Monitors from -200°C up to +72°C. LCD display with up to 2-year battery life.
• c\temp-USB-80C Single-Use Coin Cell Single-use dry ice temperature data logger with compact coin cell battery. IATA approved with no labeling required. Designed for extended periods exposed directly to dry ice.
• MaxiLog-RH Single-Use Temperature and Humidity Logger Single-use temperature and humidity data logger with LCD screen and built-in Mini-USB connection. Pre-programmed for cold chain applications.
• 2c\temp-GEN2 Temperature Data Logger Mid-range multi-use temperature data logger for cold chain management. Cost-effective solution with 8k memory and 3-year battery life. Palm-sized design.
• c\temp-GEN2 Single-Use Data Logger Single-use pre-programmed electronic temperature recorder for managing the cold chain. Compact size for applications with space limitations. NIST-traceable.
• MaxiLog Multi-Use Temperature Data Logger Multi-use user-programmable electronic temperature data recorder with LCD screen providing instant TOA notification. NIST-traceable. Available in pre-programmed single-use model.
• c\temp Single-Use Temperature Logger Entry-level single-use pre-programmed electronic temperature recorder. Low-cost solution for cold chain management. Compact size for space-limited applications.
• 3C\TEMP-ULTRA Laboratory Grade Temperature Logger Multi-use laboratory grade high-accuracy digital sensor temperature data recorder with LCD screen and NFC-enabled interface. Temperature range: -35°C to +72°C.
• Min/Max Plus Digital Thermometer Compact economical temperature monitoring device with built-in external probe and real-time LCD display. External 2-meter probe measures from -35°C to +85°C. Ideal for laboratories and blood banks.
• MDAS Read-Only Software Read-only software for single-use serial loggers. Used to read data collected from single-use data loggers. Not for programming. Compatible with Windows XP through 10.
• MaxiThermal Software Desktop application for USB data loggers. Allows viewing up to 8 multiple traces, transferring recorded information, and generating reports. Compatible with c\temp-USB, c\temp-LCD, 2c\temp-USB, 2c\temp-RH, 2c\temp-LCD, EDL-USB, EDL-XYZ, and MaxiLog.
• MaxiThermal-X Software Desktop application for the EDL-4S data logger. Allows viewing up to 8 multiple traces, transferring recorded information, and generating reports with graphic representations. Compatible with Windows XP through 10.
• MaxiThermal-XYZ Software Desktop application for the EDL-XYZ data logger. Allows viewing up to 8 multiple traces, transferring recorded information, and generating reports with graphic representations. Compatible with Windows XP through 10.
• USB Cables and Reader Stations Accessories including USB Standard A to mini B cables, USB to Serial converters, USB to Serial stereo plugs, and reader/cradle stations for various data logger models.
• Temperature Mapping Services Professional temperature and humidity mapping services for warehouses, cold rooms, refrigerators, and vessels. Solutions for every budget with expert consultation. Enables precise START and STOP time options for temperature profiling exercises to ensure environmental control compliance.
• Temperature Data Logger Calibration Service Temperature data logger calibration services including NIST certificates and optional calibration reports with data.

Quantifiable outcome

• Temperature monitoring range from -200°C to +300°C
• +3 more outcomes

Named customers2 records

Segments6 records

Ideal customer profiles6 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature6 records

Scale indicators1 record

Recent moves6 records

Expansion highlights5 records

Direct peers

• Onset Computer (HOBO): Onset's HOBO data loggers cover temperature, humidity, and other environmental parameters with USB and wireless connectivity, directly competing with Marathon's 2c\temp, 3C\TEMP, and MaxiLog lines across research, food, and pharma applications.
• Testo SE: Testo is a global manufacturer of measurement instruments including temperature/humidity data loggers; its testo Saveris and 174H series directly overlap Marathon's multi-use loggers and MKT/calibration software for food and pharma.
• Avery Dennison Temptime: Temptime, the temperature-monitoring business of Avery Dennison, supplies chemical and electronic temperature indicators and data loggers used in pharma and vaccine distribution; it competes with Marathon on single-use monitor and logger programs run by UNICEF, WHO, and large pharma shippers.
• Dickson (Cobalt Industries): Dickson manufactures temperature and humidity data loggers, chart recorders, and monitoring software widely used in pharma, laboratories, and food safety; it competes with Marathon in regulated-environment temperature monitoring and validation mapping.
• LogTag Recorders: LogTag is a New Zealand-based specialist in USB temperature data loggers, particularly single-use and multi-use loggers for food and pharma; it competes most directly with Marathon's c\temp-USB and 2c\temp product families.
• Sensitech (Carrier): Sensitech, now part of Carrier Global, is the dominant direct peer: it manufactures TempTale and other single-use and multi-use temperature data loggers serving pharma, food, and cold chain logistics, competing head-to-head with Marathon's c\temp and MaxiLog product lines.
• Elpro-Buchs: Elpro is a Swiss manufacturer of temperature/humidity data loggers and cold chain monitoring solutions targeting the same pharma, biotech, and life sciences customers as Marathon, with deep overlap in GxP-compliant validation products.
• Berlinger & Co. Berlinger is a Swiss manufacturer of Fridge-tag and other temperature monitoring devices widely used for vaccine cold chain and pharmaceutical distribution, competing directly with Marathon's vaccine and dry ice shipping products.
• Cryopak Verification Solutions: Cryopak specializes in cold chain packaging and temperature monitoring data loggers for food and life sciences, directly overlapping Marathon's c\temp and EDL lines and competing for the same frozen and refrigerated shipper accounts.

Broad incumbents

• Vaisala Oyj: Vaisala is a much larger incumbent in environmental and industrial measurement, offering continuous monitoring systems, validation, and viewLinc software that overlap with Marathon's MDAS-Pro and biologics/cold chain monitoring in pharma and life sciences.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

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 Marathon Products