OleumTech
OleumTech is a US-based industrial wireless instrumentation and automation manufacturer, founded in 2000, serving oil and gas, water/wastewater, and petrochemical customers with certified hazardous-location wireless sensors, gateways, and hardwired process instruments.
- Company typePrivate
- Founded2000
- HeadquartersFoothill Ranch, United States
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What OleumTech does
OleumTech Corporation is a privately held industrial wireless instrumentation and automation company headquartered in Foothill Ranch, California, founded in 2000. The company designs and manufactures in the USA to ISO 9001 standards, with a 25-year track record of serving the oil and gas, water/wastewater, refining and petrochemical, and broader IIoT industries. As of 2025, the company has deployed over 1,000,000 transmitters worldwide, including 400,000+ industrially-hardened units used in harsh environments.
The product portfolio is organized into four platforms: the OTC Wireless Sensor and I/O Network (the flagship, with DH-series gateways, WT/SM-series wireless transmitters, and WM-series I/O modules, certified for Class I Division 1/Zone 0 intrinsically safe operation and offering up to 40 miles gateway-to-gateway RF range and 10-year battery life), the H Series Hardwired Instrumentation (Smart Pressure, Differential Pressure, Multivariable Transmitters, Coriolis and Magnetic Flow Meters, RS485 Modbus/HART tank level sensors, and tuning fork level switches), the GP Sensor Network, and the WIO Point-to-Point Wireless I/O System. The proprietary technology is anchored by two US patents (#6,967,589 and #8,763,455 B1) covering wireless sensor network and resistive level sensor designs, and supported by an extensive portfolio of safety certifications (ATEX, IECEx, CSA, UL, FCC Part 15). Wireless devices are configured and managed through the BreeZ Software platform with over-the-air updates.
The business model is predominantly hardware sales through direct enterprise field sales, a channel partner/reseller program, and an e-commerce storefront (shop.oleumtech.com), supplemented by technical support, RMA, and warranty services. Pricing is quote-based and not publicly disclosed. The company maintains a regional office in Midland, Texas to serve the Permian Basin. Major customer categories include oil and gas producers, pipeline operators, water infrastructure operators, and petrochemical plants. Revenue is not publicly disclosed, and ownership is privately held with no evidence of public listing, institutional investor, or parent company.
OleumTech firmographics
Firmographics- Name
- OleumTech
- Legal name
- OleumTech Corporation
- Website
- https://oleumtech.com
- Company type
- Private
- Founded year
- 2000
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- OleumTech is a US-based industrial wireless instrumentation and automation manufacturer, founded in 2000, serving oil and gas, water/wastewater, and petrochemical customers with certified hazardous-location wireless sensors, gateways, and hardwired process instruments.
- Ownership category
- akta.pro rank
OleumTech industry classification
Industry- Product category
- Industrial Wireless Instrumentation
- NAICS
- Other Measuring and Controlling Device Manufacturing (334519), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (33451)
- SIC
- Industrial Instruments For Measurement, Display, And Control (3823)
- akta.pro primary industry
- Industrial IoT/Edge Electronics Manufacturing (Gateways, Edge Controllers) (IMAGAGAC)
- akta.pro secondary industries
- Sensors & Instrumentation Electronics Manufacturing Services (Transmitters, analyzers, industrial sensors) (IMAGAGAL), Ruggedized/Harsh-Environment Electronics Manufacturing (IP-rated, shock/vibration, wide-temp) (IMAGAGAF), Condition Monitoring Sensors & IoT (online/offline monitoring, edge devices) (EUADAJAD)
Keywords
Where OleumTech is headquartered
LocationHeadquarters
- HQ city
- Foothill Ranch
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
OleumTech business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Operations, Personnel, Technology or R&D, Supply Chain, Marketing or Sales
Revenue model
- Wireless Sensor Hardware Sales: Sale of wireless transmitters, gateways, I/O modules, and sensors. Products include OTC Wireless Platform (WT and SM series transmitters), H Series Hardwired Instrumentation, GP Sensor Network, and WIO Point-to-Point Wireless I/O System. Pricing is quote-based for industrial B2B customers.
- Channel Partner/Reseller Distribution: Distribution of products through authorized channel partners and resellers who represent the OleumTech brand to customers. Partners receive marketing support, branding guidelines, and product catalog access.
- Technical Support and Service: Technical support services including field services, training, tech support, RMA (Return Merchandise Authorization) support, warranty services, and download center access for documentation and software.
Go-to-market motion3 records
Distribution channels3 records
Marketing channels6 records
OleumTech product offering
Product offeringCore offering
OleumTech designs, manufactures, and sells industrial wireless instrumentation and hardwired process sensors for monitoring and control applications in hazardous locations. Its product portfolio includes the OTC Wireless Sensor and I/O Network (battery-powered wireless transmitters and gateways), H Series Hardwired Instrumentation (pressure, level, flow, and temperature sensors), GP Sensor Network, WIO Point-to-Point Wireless I/O System, and the BreeZ configuration software platform. These products are sold primarily to oil and gas, water/wastewater, petrochemical, and general industrial customers requiring Class I Division 1/Zone 0 certified instrumentation.
Product overview
OleumTech is an industrial instrumentation and wireless automation company headquartered in Foothill Ranch, California, serving the oil and gas, petrochemical, water/wastewater, and IoT/IIoT industries. Its product portfolio consists of three distinct wireless platforms and one hardwired instrumentation line: (1) the OTC Wireless Sensor and I/O Network — a self-contained, battery-powered wireless platform certified for Class I Division 1 (Zone 0) hazardous locations, comprising DH-series gateways (DH1, DH2, DH3, DH2-W), WT/SM-series wireless transmitters, and WM-series I/O expansion modules; (2) the H Series Hardwired Instrumentation — a line of process instruments including Smart Pressure Transmitters, Differential Pressure Transmitters, Multivariable Transmitters, Coriolis Flow Meters, Magnetic Flow Meters, RS485 Modbus/HART Tank Level Sensors, and Tuning Fork Level Switches; (3) the GP Sensor Network — a general-purpose wireless I/O platform; and (4) the WIO Point-to-Point Wireless I/O System. All products are designed and manufactured in the USA to ISO 9001 standards. The company celebrated its 25th anniversary in 2025.
Differentiator
Problem solved
Functional benefit
Brands
- OTC Wireless I/O & Sensor Network: The primary wireless sensor and I/O network platform featuring battery-powered wireless transmitters and gateways for industrial monitoring applications.
- H Series Hardwired Instrumentation
- GP Sensor Network
- WIO Point-to-Point Wireless I/O System
- BreeZ Software
Products and services
- OTC Wireless Sensor and I/O Network OleumTech's flagship self-contained, battery-powered wireless sensor and I/O network platform for Class I Division 1 (Zone 0) hazardous locations, comprising DH-series gateways, WT/SM-series wireless transmitters, and BreeZ configuration software. Supports up to 63 wireless transmitters per gateway with peer-to-peer networking across multiple gateways.
- DH3 Wireless Gateway Industrial Ethernet and serial interface wireless gateway that aggregates data from OTC wireless transmitters and I/O modules. Features Modbus Master/Slave, MQTT/Sparkplug B, two configurable Serial/RTU ports (RS232/RS485), data logging, and peer-to-peer networking. Supports 900 MHz, 915 MHz, 2.4 GHz, and 868 MHz bands and is Class I Division 2 (Zone 2) certified.
- Wireless Resistive Tank Level Transmitters (WT-LL3, SM-RL1, SM-RL2) Battery-powered, self-contained wireless tank level transmitters monitoring product (oil), interface (water), and temperature via patented resistive level sensors. Available with or without integral LCD display in 1/4-inch resolution (±1/8-inch accuracy, API 18.2 compliant) or 1/2-inch resolution (±1/4-inch accuracy). Class I Division 1 (Zone 0), Intrinsically Safe, with up to 10-year battery life.
- Wireless RTD Temperature Transmitters (WT-RT1, WT-RT2, SM-RTD, SM-RTM) Battery-powered wireless RTD temperature transmitters available with or without integral LCD display. WT-RT1 includes a 2–18-inch platinum RTD sensor (±0.15 °C accuracy); WT-RT2 supports third-party 2/3/4-wire RTD sensors. SM-RTD direct-mount and SM-RTM multivendor versions also available. Operating range -55 °C to 260 °C, Class I Division 1 (Zone 0), Intrinsically Safe, up to 10-year battery life.
- Wireless Thermocouple Transmitters (WT-TC1, SM-TC1) Battery-powered wireless thermocouple transmitters available with or without integral LCD display for monitoring extreme heat process conditions including flares, kilns, and gas turbines. Supports third-party type K thermocouple sensors with 24-bit ADC resolution. Class I Division 1 (Zone 0), Intrinsically Safe, up to 10-year battery life.
- Wireless Discrete Transmitters (WT-DS1, SM-DJ1) Battery-powered wireless discrete transmitters with two discrete inputs for dry contact or NPN sources. Available with or without integral LCD display, with configurable debounce filter (20–2000 ms) and transition count reporting. Class I Division 1 (Zone 0), Intrinsically Safe, up to 10-year battery life.
- Wireless High Level Switch Transmitters (WT-HL1, WT-HL2, SM-HLT, SM-HLS) Battery-powered wireless high level switch transmitters for tank high and high-high liquid level detection via actuation points. Available in top-mount (WT-HL1, SM-HLT) and side-mount (WT-HL2, SM-HLS) configurations with or without integral LCD display. Class I Division 1 (Zone 0), Intrinsically Safe.
- Wireless Hydrostatic Level Transmitters (WT-LL4, WT-LL5, SM-HP1) Battery-powered wireless hydrostatic level transmitters measuring liquid levels via bottom-pressure monitoring. WT-LL4/WT-LL5 versions include integral LCD display and analog/discrete inputs; SM-HP1 is a self-contained unit that works with submersible hydrostatic pressure sensors up to 150 ft length. 24-bit ADC, IP66 rated, Class I Division 1 (Zone 0), Intrinsically Safe.
- SM-JP4 Wireless Analog (Pressure) Transmitter Battery-powered, self-contained wireless analog transmitter without local display for monitoring up to four 0-5 V pressure transducers. 24-bit ADC resolution and up to 9.5 Vdc supply to each analog input. Class I Division 1 (Zone 0), Intrinsically Safe, up to 10-year battery life.
- WT-FT1 Wireless Flow Totalizer Transmitter Battery-powered wireless flow totalizer transmitter with integral LCD for use with third-party turbine flow meters. Captures today's and yesterday's totals, raw totals, and instantaneous flow rate with k-factor configuration and volume output in barrels, liters, gallons, or cubic meters. Class I Division 1 (Zone 0), Intrinsically Safe.
- HMFM Coriolis Flow Meters High-accuracy Coriolis mass flow measurement devices designed for hazardous and harsh environments in oil and gas and chemical processing. Delivers mass flow accuracy of ±0.1%, density accuracy of ±0.0005 g/cm³, and temperature accuracy of ±0.2 °C. Features 316L stainless steel components and explosion-proof design.
- H Series Hardwired Instrumentation Line of hardwired process instrumentation from OleumTech including Smart Pressure Transmitters, Differential Pressure Transmitters, Multivariable Transmitters, Coriolis Flow Meters, Magnetic Flow Meters, RS485 Modbus/HART Tank Level Sensors (HW-RL3, HW-RL4, HW-RL3-LCD, HW-RL6), and Tuning Fork Level Switches (HTF1742). Designed for hazardous industrial environments with Class I Division 1 certifications.
- Hardwired Tank Level Sensors (HW-RL3, HW-RL3-LCD, HW-RL6) Hardwired resistive level transmitters for tank gauging. HW-RL3 uses RS485 Modbus protocol; HW-RL3-LCD adds an integral LCD display; HW-RL6 provides 4-20mA/HART output. Monitors product, interface, and temperature with 2 discrete inputs (RL3) or 4 HART dynamic variables (RL6). Multi-drop up to 16 devices, Class I Division 1 (Zone 0) certified (RL3 Intrinsically Safe, RL6 Explosion-Proof).
- HTF1742 Compact Tuning Fork Level Switch Hardwired tuning fork level switch for point-level detection of liquids, powders, and granular materials. Features dual SPDT relay outputs, integrated relay function tester, fork lengths from 2 to 60 inches, 316 SS or 316L material, NEMA 4X and explosion-proof ratings, maximum pressure 2900 PSI, and process temperatures -40 to 150 °C.
- GP Sensor Network General Purpose wireless I/O and sensor network platform offered by OleumTech, available at gp.oleumtech.com. Complements the OTC platform for broader wireless monitoring applications with similar gateway and sensor architecture.
- WIO Point-to-Point Wireless I/O System WIO (Wireless I/O) point-to-point wireless I/O system from OleumTech, available at wio.oleumtech.com. Provides direct wireless I/O connectivity as an alternative to the OTC multi-node network architecture for simpler point-to-point links.
- BreeZ Configuration Software PC-based configuration software for OleumTech wireless devices and gateways. BreeZ Version 5.0 or later supports device configuration, calibration, firmware upgrades, and Over-the-Air (OTA) functionality. Connects via Ethernet port or Mini-USB. Secured via SSL/TLS v1.2.
Quantifiable outcome
- 400,000+ industrially-hardened wireless transmitters deployed in harsh industrial environments
- +3 more outcomes
Companies that use OleumTech
Customer profileNamed customers4 records
Segments5 records
Ideal customer profiles4 records
OleumTech technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration4 records
Feature7 records
OleumTech partnerships and signals
Strategic signalScale indicators6 records
Recent moves6 records
Expansion highlights4 records
OleumTech competitors and assessment
Company assessmentDirect peers
- Banner Engineering: Banner Engineering manufactures industrial sensors and wireless I/O solutions for factory automation, process monitoring, and remote asset visibility. Overlaps with OleumTech's wireless sensor and discrete/transmitter product lines in industrial IIoT use cases.
- Phoenix Contact (Industrial Wireless / Radioline): Phoenix Contact supplies industrial wireless I/O systems (Radioline, Trusted Wireless) and process instrumentation for hazardous locations. Comparable to OleumTech's WIO Point-to-Point and OTC Wireless platforms in industrial automation and SCADA integration.
- FreeWave Technologies: FreeWave builds rugged, industrial-grade wireless data radios and IoT sensor networks for oil and gas, utilities, and defense applications. Closely comparable to OleumTech's OTC Wireless platform in target customers, hazardous-location focus, and proprietary radio technology.
Broad incumbents
- Honeywell Process Solutions: Honeywell Process Solutions offers a broad portfolio of wireless instrumentation, process control, and SCADA solutions targeting oil and gas, refining, petrochemicals, and water. Overlaps with OleumTech's wireless sensor and gateway offerings and competes for the same industrial customers.
- Siemens Process Instrumentation (formerly Siemens Industry / RUGGEDCOM): Siemens offers SITRANS instrumentation (level, pressure, temperature, flow), industrial wireless networks, and SIMATIC process automation targeting the same industrial verticals as OleumTech. Comparable via integrated wireless+SCADA offerings for hazardous environments.
- Cisco (Industrial IoT / Cisco IOx / Catalyst IE): Cisco's industrial networking portfolio (Catalyst IE switches, IOx, ruggedized routers) underpins many industrial wireless and SCADA architectures that integrate OleumTech's gateways and sensors. Comparable as enabling infrastructure and as a potential competitor in converged industrial wireless/edge.
- Emerson Electric (Rosemount / Emerson Automation Solutions): Emerson's Rosemount and Automation Solutions businesses are the dominant supplier of industrial process instrumentation, including wireless transmitters (WirelessHART), pressure, level, temperature, and flow measurement. Directly comparable to OleumTech's hazardous-location wireless and hardwired sensor portfolio serving oil and gas, refining, and water/wastewater customers.
- ABB Measurement & Analytics: ABB's Measurement & Analytics business provides pressure, temperature, level, and flow instrumentation plus wireless sensor networks for oil and gas, chemical, and water industries. Comparable to OleumTech across both wireless and hardwired process instrumentation.
- Yokogawa Electric: Yokogawa supplies pressure, temperature, flow, and level instrumentation for oil and gas, petrochemical, and power industries, with wireless and ISA100 solutions. Comparable to OleumTech's H Series hardwired instruments and wireless sensor offerings in process monitoring.
Emerging players
- Molex (Woodhead / Brad Industrial): Molex provides industrial wireless and connectivity solutions (including Brad wireless I/O and harsh-environment connectors) for process automation and factory environments. Comparable to OleumTech's wireless I/O and instrumentation connectivity offerings.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
OleumTech social profiles
Digital presenceOleumTech compliance and trust
Trust signalCompliance15 records
OleumTech financial estimates
Financial estimateRevenue estimate
Valuation estimate
OleumTech leadership team
Management profileNumber of profiles
Profiles1 record
OleumTech funding detail
Funding detailFunding overview
Funding rounds1 record
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
OleumTech M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about OleumTech
What does OleumTech do?
OleumTech designs, manufactures, and sells industrial wireless instrumentation and hardwired process sensors for monitoring and control applications in hazardous locations. Its product portfolio includes the OTC Wireless Sensor and I/O Network (battery-powered wireless transmitters and gateways), H Series Hardwired Instrumentation (pressure, level, flow, and temperature sensors), GP Sensor Network, WIO Point-to-Point Wireless I/O System, and the BreeZ configuration software platform. These products are sold primarily to oil and gas, water/wastewater, petrochemical, and general industrial customers requiring Class I Division 1/Zone 0 certified instrumentation.
Is OleumTech a public or private company?
OleumTech is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was OleumTech founded?
OleumTech was founded in 2000. It employs 51 to 100 people.
Where is OleumTech based?
OleumTech is headquartered in Foothill Ranch, United States, in the North America region.
How does OleumTech make money?
Three revenue lines are on record. Wireless Sensor Hardware Sales are the primary driver. The others are channel Partner/Reseller Distribution and technical Support and Service.
Who are OleumTech's main competitors?
Direct peers on record are Banner Engineering, Phoenix Contact (Industrial Wireless / Radioline) and FreeWave Technologies. Broad incumbents are Honeywell Process Solutions, Siemens Process Instrumentation (formerly Siemens Industry / RUGGEDCOM), Cisco (Industrial IoT / Cisco IOx / Catalyst IE), Emerson Electric (Rosemount / Emerson Automation Solutions), ABB Measurement & Analytics and Yokogawa Electric. Molex (Woodhead / Brad Industrial) is listed as an emerging player.
Does OleumTech have an API?
No public API is recorded for OleumTech.
What industry is OleumTech in?
OleumTech's product category is Industrial Wireless Instrumentation. Its primary akta.pro industry code is IMAGAGAC, Industrial IoT/Edge Electronics Manufacturing (Gateways, Edge Controllers), with a secondary code of IMAGAGAL, Sensors & Instrumentation Electronics Manufacturing Services (Transmitters, analyzers, industrial sensors). Its NAICS code is 334519 and its SIC code is 3823.