ENCHEM ENGINEERING, INC.

Newton, MA · Clean tech · Private

In-situ/ex-situ combined technology for PFAS remediation in contaminated soil and groundwater

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Updated Oct 23, 2026 · en-chem.com

Sector: Clean tech
Headquarters: Newton, MA
Total capital: $2.9M

Federal grants: $1.8M; 4 awards · 2017–2020; Rank in peer group#7 of 47
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: $1.1M; 3 awards · Environmental Prot, Defense; Rank in Clean tech#56 of 914
Granted patents: 1; 2 pending · first 2016; Rank in peer group#14 of 47

Capital timeline

Latest events

Aug 2020Federal grantHealth and Human S · Phase II · Combined In-Situ / Ex-Situ Remediation of PFAS at Hazardous Waste Sites$508K
Sep 2019Federal grantHealth and Human S · Phase II · Combined In-Situ / Ex-Situ Remediation of PFAS at Hazardous Waste Sites$988K
Sep 2017Federal grantHealth and Human S · Phase I · Bench Scale Studies of Novel In situ Aquifer Remediation of Recalcitrant Fluorinated Organic Compounds at Superfund Sites$149K
Aug 2017Federal grantHealth and Human S · Phase I · Bench Scale Studies of Novel In-situ Aquifer Remediation of Recalcitrant Fluorinated Organic Compounds at Superfund Sites$149K
May 2014Federal contractEnvironmental Prot · Igf::ot::igf Enhanced Decontamination Of Wetted Pipe$100K
Sep 2011Federal contractDefense · Broad Agency Announcement, Firm Fix Price (ffp), Enchem Engineering$917K
Mar 2010Federal contractEnvironmental Prot · SBIR Phase I$70K

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 47 peers

Line = median

Clean tech · System

Federal grants#7 · top 15%
Granted patents#14 · top 30%

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 3

Aug 9, 2016GrantedChemical Oxidation Method and CompoundsUSPTOUS 9,409,216
Apr 11, 2013PendingSoil and Water Remediation Method and ApparatusUSPTOApplication 13689382
PendingChemical Oxidation Method And CompoundsUSPTOApplication PCTUS2009043605

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Regulatory activity · Clean tech

Sector-level, not company-level

09 Jul 2026Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEnvironmental Protection Agency
02 Jul 2026Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEnvironmental Protection Agency
02 Jul 2026Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEnvironmental Protection Agency
30 Jun 2026Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
30 Jun 2026Fluoxapiprolin; Pesticide TolerancesEnvironmental Protection Agency
30 Jun 2026Chlormequat Chloride; Pesticide TolerancesEnvironmental Protection Agency

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 Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.