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Zonge International, Inc.

Tucson, AZ · Clean tech · Private

Electromagnetic monitoring instruments and borehole transmitter systems for subsurface CO2 injection site surveillance

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Updated · zonge.com

Sector
Clean tech
Headquarters
Tucson, AZ
Total capital
$2.8M
Federal grants
$249K
1 award · 2023
Rank in peer group#28 of 37
Private capital raised
None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts
$2.5M
32 awards · Defense, Transportation, Interior
Rank in Clean tech#40 of 914
Granted patents
1
1 pending · first 2019
Rank in peer group#8 of 37

Capital timeline

200220062010201420182022FEDERAL ↑EQUITY ↓Cumulative $2.8M$210K$469K$222K$249K$253K$206K
200220062010201420182022FEDERAL ↑EQUITY ↓Cumulative $2.8M$469K$222K$249K$253K

Latest events

  • Federal contractInterior · Induction Coils For Mt Data Logger$206K
  • Federal contractInterior · Mt Data Logger$253K
  • Federal contractInterior · Zen Data Loggers And Magnetic Sensors$164K
  • Federal grantEnergy · Phase I · Development of Autonomous Nodal Electromagnetic Measurement System for Geophysical Monitoring of Geologic Carbon Storage Processes$249K
  • Federal contractInterior · Magnetic Sensors$25K
  • Federal contractInterior · Magnetic Sensor Induction Coils$16K
  • Federal contractInterior · 6 Channel Analog To Digital Converter.$35K
Show 26 earlier federal awards
  • Federal contractAgriculture · Geophysic Sounding Equipment$63K
  • Federal contractDefense · Zerotem Transmitter Pr# 56-9711-19$26K
  • Federal contractInterior · Data Logger For Use In Magnetotelluric Data Acquisition$29K
  • Federal contractInterior · Tdem System$88K
  • Federal contractInterior · Wideband Data Logger And Low Frequency Induction Coil$104K
  • Federal contractInterior · Induction Coils And Battery Cable$34K
  • Federal contractInterior · Bedrosian - Data Logger&induction Coil "igf::ot::igf"$222K
  • Federal contractInterior · Instrument Purchase- Zonge International Per Attached Quote$56K
  • Federal contractAgriculture · Igf::ot::igf Storrie Fire Restoration Jackass Bridge Drilling Contract$6K
  • Federal contractInterior · Zonge International - Various Electronic$68K
  • Federal contractDefense · Sensor$10K
  • Federal contractInterior · Geophysical Equipment$28K
  • Federal contractInterior · Towed Tem System 6/11/13 Removed Saf Flag From Lines 50 And 60. 4/30/2013 # Changes To Pr 10 # Change Amount To $43,000 40 # Trash Can 50 # New Line, Towable System Here Instead Of Including In Line 10; Saf Updated Technical Specifications Are Attached 60 # New Line To Replace Line 40, Training; Saf 3/28/2013 - Change Per Requirement Of Property Management - Tem System, Platform, And Software Now All Included In Line 010. -- Aw **adir/ocio Approved 3/27/2013** **reviewed For Radio J. Godbey $65K
  • Federal contractDefense · Igf::ot::igf. C - Geophysical (sub-surface) Investigations$37K
  • Federal contractInterior · Zonge Zen Mt Systems$195K
  • Federal contractInterior · Req # 10-9671-1116; Transmitter$17K
  • Federal contractInterior · Survey$38K
  • Federal contractDefense · Current Transmitter$17K
  • Federal contractDefense · Geophysical Surveying Services$14K
  • Federal contractDefense · Geophysical Surveying Services$6K
  • Federal contractTransportation · Seismic Refraction Technical Services$7K
  • Federal contractInterior · Software/hardware Upgrade To GDP32$20K
  • Federal contractInterior · Tem Receiver Coil And Stand$8K
  • Federal contractTransportation$7K
  • Federal contractDefense$469K
  • Federal contractDefense$210K

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 37 peers

Line = median

Clean tech · Instrument

  • Federal grantsBelow median
  • Granted patents#8 · top 22%

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 · 1 granted of 2

Related companies, and why

Regulatory activity · Clean tech

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 .