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E-Spectrum Technologies, Inc.

San Antonio, TX · Founded 1995 · Energy · Private

Near-bit sensor system with electromagnetic telemetry and downhole analytics for real-time drill bit force/acceleration measurement and optimization guidance in geothermal wells

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Updated

Sector
Energy
Headquarters
San Antonio, TX
Founded
1995
Total capital
$19.6M
Federal grants
$2.6M
6 awards · 2016–2019
Rank in peer group#5 of 25
Private capital raised
None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts
$17M
12 awards · Veterans Affairs, Health and Human S, Defense
Rank in Energy#19 of 998
Granted patents
0
3 pending

Capital timeline

20082012201620202024FEDERAL ↑EQUITY ↓Cumulative $19.6M$534K$205K$986K$986K$1.5M$14.8M
20082012201620202024FEDERAL ↑EQUITY ↓Cumulative $19.6M$1.5M$14.8M

Latest events

  • Federal contractDefense · Scalable Homeland Innovative Enterprise Layered Defense (shield) Initial Order.$500
  • Federal contractDefense · Automatic Test Systems Acquisition-i (atsa-i) Multiple Award 10 Year Idiq Type Contract For The Ats Division, Wralc, Georgia, To Support/sustain Full Life Cycle Of Legacy Items And Future Requirements Of Commercial/noncommercial Products/services.$1K
  • Federal grantEnergy · Phase I · A Machine Learning Based Geothermal Drilling Optimization System Using Em Short-hop Telemetry Of Bit Dynamics Measurements$193K
  • Federal contractDefense · Engineering And Logistics Support For The Air Launched Cruise Missile (alcm) Laboratory Test Program$14.8M
  • Federal contractDefense · Engineering And Logistic Support For The Air Launched Cruise Missile (alcm) Laboratory Test Program Bridge$1.5M
  • Federal grantEnergy · Phase II · A near-real-time electromagnetic data-link for geothermal downhole instruments$986K
  • Federal grantEnergy · Phase II · A Reconfigurable Ultra Low Frequency Triaxial Induction Tool for Fracture Diagnostics$986K
Show 11 earlier federal awards
  • Federal grantEnergy · Phase I · A Near-real-time Electromagnetic Data-link for Geothermal Downhole Instruments$140K
  • Federal grantEnergy · Phase I · An enhanced extremely low frequency triaxial induction tool for fracture diagnostics in open wellbores$150K
  • Federal grantEnergy · Phase I · An electrode-based resistivity tool for fracture diagnostics in steel-cased wellbores$150K
  • Federal contractDefense · Igf::ot::igf Storage Of Alcm Components$2K
  • Federal contractHealth and Human S · Through The Earth Communications System For Underground Coal Mines$205K
  • Federal contractHealth and Human S · 08-26818 - E-spectrum - 000HCCB1-2008-56309$534K
  • Federal contractVeterans Affairs · Service, Materials, Parts And Labor Necessary To C$76
  • Federal contractVeterans Affairs · Repair Infusion Pump Analyce, Manufacturer, Dnyate$600
  • Federal contractVeterans Affairs · Repair/calibrate Device Oscope Manufactured By Hp$750
  • Federal contractVeterans Affairs · Calibrate - Will Put Prices For Individaul Equipme$2K
  • Federal contractVeterans Affairs · Calibrate Test Equipment Quantity 5 - Will Put Pri$431

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 25 peers

Line = median

Energy · Instrument

  • Federal grants#5 · top 20%
  • Linked publications#3 · top 12%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

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What it has protected

USPTO · 0 granted of 3
  • PendingModular Electrode Tool For Improved Hydraulic Fracture DiagnosticsUSPTOApplication PCTUS2017062670
  • PendingPortable Wireless Through-the-earth Communication SystemUSPTOApplication PCTUS2012048812
  • PendingData-fusion ReceiverUSPTOApplication PCTUS2005029947

Recent research by its founders

  • A Low Frequency Electrode Array Tool for Fracture Diagnostics in Steel-Cased Wellbores20170 cites
  • [Noise measuring at workshops for autogenous welding and cutting and at a plasma-cutting device].19690 cites

Related companies, and why

Regulatory activity · Energy

Sector-level, not company-level

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through . SBIR and STTR awards through .