Tms Test Services
TMS Test Services is a Phoenix, Arizona-based RF semiconductor characterization and testing provider operating two labs, offering VNA testing to 110 GHz, load pull to 67 GHz, training, equipment rentals, and proprietary software and hardware tools for chip-level RF engineers.
- Company typePrivate
- Founded2023
- HeadquartersPhoenix, United States
- Headcount1–10
- GTM typeB2B
- OfferingServices
What Tms Test Services does
TMS Test Services, also referenced as Technical Marketing Specialists, is a Phoenix, Arizona-based provider of RF semiconductor characterization, testing, training, and equipment rental services, founded in 2023 and operating two labs in Phoenix. The company's technical capabilities center on specialized instrumentation, including vector network analyzer (VNA) coverage up to 110 GHz, load pull testing up to 67 GHz, 300mm wafer testing, and 10kV testing, supported by a team with 70 years of collective RF experience.
Beyond lab services, TMS has built a portfolio of proprietary products: the Z tools software suite for DCIV and S-parameter test automation, an IP5K High Voltage Interposer for high-voltage semiconductor applications, a Load Pull Tuner Stabilizer hardware product, and an On Site RF Cable Validation offering. The company also delivers training classes, equipment rentals, and load pull maintenance services to external customers.
TMS operates a sales-led, direct go-to-market model via phone, email, and quote form, with no disclosed funding, partnerships, patents, awards, or named customer logos. Pricing is quote-based and not publicly disclosed; revenue mechanics span one-off test engagements, training tuition, equipment rental fees, and potential product sales of software and interposer hardware.
Tms Test Services firmographics
Firmographics- Name
- Tms Test Services
- Legal name
- Technical Marketing Specialists
- Website
- https://tmstestservices.com
- Company type
- Private
- Founded year
- 2023
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- TMS Test Services is a Phoenix, Arizona-based RF semiconductor characterization and testing provider operating two labs, offering VNA testing to 110 GHz, load pull to 67 GHz, training, equipment rentals, and proprietary software and hardware tools for chip-level RF engineers.
- Ownership category
- akta.pro rank
Tms Test Services industry classification
Industry- Product category
- RF Semiconductor Characterization Services
- NAICS
- Testing Laboratories and Services (541380), Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515), Electronic and Precision Equipment Repair and Maintenance (811210)
- SIC
- Instruments For Meas & Testing Of Electricity & Elec Signals (3825), Services-Testing Laboratories (8734)
- akta.pro primary industry
- Test, Probe & Burn-In Equipment (Wafer Sort/Final Test) (HDAHAEAJ)
- akta.pro secondary industry
- Test & Measurement Equipment (Oscilloscopes, DAQ, signal analyzers, calibration benches) (IMAGAFAC)
Keywords
Where Tms Test Services is headquartered
LocationHeadquarters
- HQ city
- Phoenix
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Tms Test Services business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Infrastructure, Operations, Technology or R&D, Marketing or Sales
Revenue model
- Component Characterization Services: RF semiconductor characterization testing including DC screening, S-parameter measurements, power load pull, and on-wafer load pull testing. Engineers develop test plans, collect data, and consult on results.
- Equipment Rentals: Rental of manual and semi-automated probe stations by the hour, day, or week. Lab space also available for rental. Customers required to take prober tutorial class before using equipment.
- Training & Classes: Small group hands-on educational classes for RF probe station measurements. Includes mentorship and consulting days where customers bring their wafer and engineers work with them. Classroom seating for 8 students with 2 semi-automatic probe stations for hands-on learning.
- Load Pull Maintenance: Maintenance services for manual or automated load pull tuners to keep them working optimally.
- Products: Sale of products including Z tools software, high voltage interposers, load pull tuner stabilizers, and RF cable validation services.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Usage-based | Pay-as-you-go | Lab and equipment rental by time period |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels5 records
Tms Test Services product offering
Product offeringCore offering
TMS Test Services provides RF semiconductor characterization testing from its Phoenix, Arizona lab, including DC screening, S-parameter measurements, power load pull, and on-wafer load pull up to 67 GHz, covering wafer, package, and assembly testing over frequency, temperature, and bias. The company also delivers hands-on RF probe station measurement training classes, rents manual and semi-automated probe stations by the hour/day/week, and provides load pull tuner maintenance. A small catalog of proprietary products (Z tools software, IP5K high voltage interposer, load pull tuner stabilizer, on-site RF cable validation) is sold alongside the services.
Product overview
TMS Test Services offers a portfolio of RF semiconductor characterization services and measurement tools. The core offerings include RF semiconductor characterization testing (with capabilities for DC Screening, S-parameter measurements, power load pull, and on-wafer load pull up to 67 GHz), RF probe station training classes, and prober/lab rentals. These services are complemented by software tools including Z tools: DCIV for SMU control with multi-zone programmable step sizes, and Z tools: S-parameter Display Toolbox for S2P file manipulation. Additional products include the Load Pull Tuner Stabilizer for thermal management, IP5K High Voltage Interposer for 5V isolation testing, and On Site RF Cable Validation services. The company also provides load pull tuner maintenance. Together, the services and products form an integrated RF component measurement ecosystem designed to reduce time-to-market for semiconductor engineers.
Differentiator
Problem solved
Functional benefit
Products and services
- RF Semiconductor Characterization Services Cost-effective RF semiconductor characterization testing including DC screening (DCIV), S-parameter measurements, power load pull, and on-wafer load pull up to 67 GHz, covering wafer, package, and assembly testing over frequency, temperature, and bias. TMS engineers develop test plans, collect data, and consult on results. Targeted at RF semiconductor design and validation engineers.
- RF Probe Station Training and Classes Small group, hands-on educational classes teaching advanced concepts for proficient RF probe station measurements, with theory and proper measurement techniques reinforced through hands-on learning. Facility includes classroom seating for 8 students and a lab with 2 semi-automatic probe stations. Includes mentorship and consulting days where customers bring their wafer and work alongside TMS engineers.
- Prober and Lab Rentals Hourly, daily, or weekly rental of manual and semi-automated probe stations, including four 8-inch semi-automated probing stations, one 6-inch semi-automated probing station, one 9k probing station with laser cutting capability, and a benchtop RP-1 RF probing station with assorted probing solutions up to 40 GHz. Lab space also available for rental. Customers must take a prober tutorial class before using equipment; probe tips and test equipment are the customer's responsibility.
- Load Pull Tuner Maintenance Maintenance services for manual or automated load pull tuners to keep them working optimally and avoid costly repairs. Targeted at RF engineering teams and labs that already own load pull tuner infrastructure.
- Z tools: DCIV Standalone software for SMU control without software limitations on the length of capture or step sizes. Acquisition is broken into 4 zones with independent programmable step sizes, with total acquisition limited only by computer RAM size. Sold to RF engineers running DC measurements.
- Z tools: S-parameter Display Toolbox Standalone software product that is a collection of daily essential algorithms to manipulate and display S2P files without switching between multiple software platforms. Includes Z tools-DCIV functionality. Sold to RF engineers working with S-parameter data.
- On Site RF Cable Validation Onsite cable validation program to check, document, and validate the performance of precision RF cables. Sold to RF engineering teams needing to verify their precision cable inventory.
- Load Pull Tuner Stabilizer Thermal stabilizer accessory that extends characterization of load pull tuners by maintaining tuner characterization through seasonal or lab environmental changes or cold cycling. Available for 1, 2, or 3 tuner configurations. Sold to RF engineering teams and labs.
- IP5K High Voltage Interposer 5V isolation barrier between device and prober chuck enabling high voltage testing using existing probing stations. Available in 3, 4, 6, 8, and 12 inch sizes. Sold to RF engineering teams and labs needing high voltage isolation.
Companies that use Tms Test Services
Customer profileSegments2 records
Ideal customer profiles4 records
Tms Test Services technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Tms Test Services partnerships and signals
Strategic signalScale indicators6 records
Recent moves6 records
Expansion highlights3 records
Tms Test Services competitors and assessment
Company assessmentBroad incumbents
- Keysight Technologies: Global leader in electronic test and measurement, including VNAs, signal analyzers, and semiconductor test software used by every RF characterization lab. Comparable to TMS at the capability layer (VNAs up to 110 GHz and beyond) but operates as a broad incumbent with a full equipment portfolio rather than a specialty services lab.
- Anritsu: Japanese T&M equipment manufacturer with a strong portfolio of VNAs and cable/antenna analyzers used in RF semiconductor and component testing. Comparable to TMS via the RF measurement ecosystem but as a broad incumbent equipment vendor.
- Rohde & Schwarz: Major T&M equipment manufacturer including VNAs and signal/spectrum analyzers used in RF semiconductor characterization. Comparable to TMS through the underlying RF measurement capability its equipment enables, though as a broad incumbent rather than a specialty services provider.
- National Instruments (NI): Provider of modular T&M platforms, including PXI-based systems widely used in semiconductor RF test and production. Comparable to TMS at the RF/semiconductor test instrumentation layer but as a broad incumbent across many test categories.
- FormFactor (incl. Cascade Microtech): Global supplier of probe stations and test solutions, including the Cascade Microtech line that originated much of the RF/microwave probe station market. Comparable to TMS in serving RF wafer-level characterization with probe-based tools, though at much larger scale and with a broader product portfolio.
Direct peers
- MPI Corporation: Taiwan-based manufacturer of advanced probe stations specializing in RF/microwave and wafer-level testing. Directly comparable to TMS in providing the probe station hardware and RF measurement infrastructure used for on-wafer RF semiconductor characterization.
- Maury Microwave: Manufacturer of load pull tuners, device characterization systems, and RF/microwave test equipment. Comparable to TMS as a supplier into the same RF semiconductor characterization workflow and as a competitor for high-frequency on-wafer characterization work.
- Focus Microwaves: Designs and manufactures computer-controlled load pull tuners and impedance tuners used in RF/microwave device characterization. Directly comparable to TMS's core load pull characterization work and to the maintenance/upgrade aftermarket TMS services on similar tuner hardware.
- AMCAD Engineering: Provides load pull systems, pulsed IV, and on-wafer RF characterization equipment and engineering services for semiconductor designers. Closely comparable to TMS in customer base (RF semiconductor engineers) and in combining load pull/characterization know-how with both products and services.
Emerging players
- Accel-RF: Specialty RF semiconductor reliability and characterization test services company serving similar RF device customers. Closely comparable to TMS as another small, focused RF test services lab rather than an equipment vendor.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat3 records
Key risks6 records
Key highlights6 records
Customer concentration
Tms Test Services social profiles
Digital presenceTms Test Services financial estimates
Financial estimateRevenue estimate
Valuation estimate
Tms Test Services leadership team
Management profileNumber of profiles
Tms Test Services funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Tms Test Services 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 Tms Test Services
What does Tms Test Services do?
TMS Test Services provides RF semiconductor characterization testing from its Phoenix, Arizona lab, including DC screening, S-parameter measurements, power load pull, and on-wafer load pull up to 67 GHz, covering wafer, package, and assembly testing over frequency, temperature, and bias. The company also delivers hands-on RF probe station measurement training classes, rents manual and semi-automated probe stations by the hour/day/week, and provides load pull tuner maintenance. A small catalog of proprietary products (Z tools software, IP5K high voltage interposer, load pull tuner stabilizer, on-site RF cable validation) is sold alongside the services.
Is Tms Test Services a public or private company?
Tms Test Services is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Tms Test Services founded?
Tms Test Services was founded in 2023. It employs 1 to 10 people.
Where is Tms Test Services based?
Tms Test Services is headquartered in Phoenix, United States, in the North America region.
How does Tms Test Services make money?
Five revenue lines are on record. Component Characterization Services are the primary driver. The others are equipment Rentals, training & Classes, load Pull Maintenance and products.
Who are Tms Test Services's main competitors?
Broad incumbents on record are Keysight Technologies, Anritsu, Rohde & Schwarz, National Instruments (NI) and FormFactor (incl. Cascade Microtech). Direct peers are MPI Corporation, Maury Microwave, Focus Microwaves and AMCAD Engineering. Accel-RF is listed as an emerging player.
Does Tms Test Services have an API?
No public API is recorded for Tms Test Services.
What industry is Tms Test Services in?
Tms Test Services's product category is RF Semiconductor Characterization Services. Its primary akta.pro industry code is HDAHAEAJ, Test, Probe & Burn-In Equipment (Wafer Sort/Final Test), with a secondary code of IMAGAFAC, Test & Measurement Equipment (Oscilloscopes, DAQ, signal analyzers, calibration benches). Its NAICS code is 541380 and its SIC code is 3825.