Sanitary Services
29 tracked issuers filing with the SEC under this industry classification.
Issuers
29
Filings
40
SIC Code
4950
Industry Overview
Sanitary Services
Sanitary Services companies classified under SIC 4950 provide essential waste and wastewater solutions, including garbage and recycling collection, landfill and transfer station operations, septic and sewer management, and hazardous or biomedical waste handling. Their core customers are municipalities, utilities, industrial plants, healthcare systems, commercial real estate owners, and large residential communities that depend on reliable, compliant removal and treatment of solid and liquid waste. The sector is heavily regulated, with strict oversight from environmental and public health authorities on emissions, groundwater protection, hazardous materials transport, and worker safety, creating both barrier-to-entry and ongoing compliance risk. In 2024–2025, operators are investing in smart routing, automation, advanced recycling, and waste-to-energy projects, while adapting to tightening ESG disclosure expectations, PFAS-related liability concerns, and new climate rules targeting methane and landfill gases. For investors and analysts tracking consolidation, contract wins, and regulatory exposure across SIC 4950, view live SEC filings and real-time updates directly on EarningsFeed.
Source: Earnings Feed research · 11/23/2025
Latest Filings
- 6-KCDT Environmental Technology Investment Holdings Ltd$CDTG
CDT Environmental Technology Investment Holdings Ltd 6-K
Jan 5, 11:27 AM ET58.5 KB - 6-KCDT Environmental Technology Investment Holdings Ltd$CDTG
CDT Environmental Technology Investment Holdings Ltd 6-K
Dec 23, 9:14 AM ET256.7 KB - 6-KCDT Environmental Technology Investment Holdings Ltd$CDTG
CDT Environmental Technology Investment Holdings Ltd 6-K
Nov 28, 6:02 AM ET39.7 KB - 6-KCDT Environmental Technology Investment Holdings Ltd$CDTG
CDT Environmental Technology Investment Holdings Ltd 6-K
Nov 13, 6:07 AM ET1.5 MB - 6-KDecent Holding Inc.$DXST
Decent Holding Inc. 6-K
Nov 12, 11:45 AM ET449.7 KB - 6-KCDT Environmental Technology Investment Holdings Ltd$CDTG
CDT Environmental Technology Investment Holdings Ltd 6-K
Sep 26, 5:43 PM ET411.6 KB - 6-KCDT Environmental Technology Investment Holdings Ltd$CDTG
CDT Environmental Technology Investment Holdings Ltd 6-K
Sep 9, 8:58 AM ET431.5 KB - 6-KDecent Holding Inc.$DXST
Decent Holding Inc. 6-K
Aug 12, 4:31 PM ET6.0 MB - 6-KDecent Holding Inc.$DXST
Decent Holding Inc. 6-K
May 28, 8:30 AM ET303.9 KB - 6-KCDT Environmental Technology Investment Holdings Ltd$CDTG
CDT Environmental Technology Investment Holdings Ltd 6-K
May 15, 7:30 AM ET67.7 KB - 6-KDecent Holding Inc.$DXST
Decent Holding Inc. 6-K
Apr 14, 5:29 PM ET328.6 KB - 6-KDecent Holding Inc.$DXST
Decent Holding Inc. 6-K
Jan 24, 4:37 PM ET289.4 KB - 6-KCDT Environmental Technology Investment Holdings Ltd$CDTG
CDT Environmental Technology Investment Holdings Ltd 6-K
Dec 27, 9:08 AM ET168.2 KB - SC 13GCDT Environmental Technology Investment Holdings Ltd$CDTG
CDT Environmental Technology Investment Holdings Ltd SC 13G
Nov 14, 4:12 PM ET79.8 KB - SC 13GCDT Environmental Technology Investment Holdings Ltd$CDTG
CDT Environmental Technology Investment Holdings Ltd SC 13G
Nov 14, 4:11 PM ET78.8 KB - SC 13GCDT Environmental Technology Investment Holdings Ltd$CDTG
CDT Environmental Technology Investment Holdings Ltd SC 13G
Nov 14, 4:10 PM ET69.0 KB - 6-KCDT Environmental Technology Investment Holdings Ltd$CDTG
CDT Environmental Technology Investment Holdings Ltd 6-K
May 20, 9:00 AM ET86.6 KB - 6-KCDT Environmental Technology Investment Holdings Ltd$CDTG
CDT Environmental Technology Investment Holdings Ltd 6-K
Apr 26, 4:20 PM ET58.1 KB - 6-KCDT Environmental Technology Investment Holdings Ltd$CDTG
CDT Environmental Technology Investment Holdings Ltd 6-K
Apr 23, 9:15 AM ET459.2 KB - SC 13G/AHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. SC 13G/A
Feb 14, 3:36 PM ET54.3 KB - SC 13G/AHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. SC 13G/A
Oct 27, 3:35 PM ET65.2 KB - 8-KHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. 8-K
Oct 17, 1:01 PM ET329.1 KB - 8-KHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. 8-K
Oct 11, 2:56 PM ET152.3 KB - SC 13GHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. SC 13G
Sep 25, 3:47 PM ET65.1 KB - 8-KHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. 8-K
Sep 6, 4:05 PM ET180.7 KB - 8-KHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. 8-K
Aug 24, 4:45 PM ET182.1 KB - 10-QHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. 10-Q
Aug 9, 4:14 PM ET8.5 MB - 8-KHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. 8-K
Aug 9, 4:08 PM ET551.4 KB - 8-KHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. 8-K
Jul 20, 9:29 AM ET1.2 MB - 8-KHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. 8-K
Jun 16, 4:22 PM ET193.0 KB - SC 13G/AHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. SC 13G/A
May 18, 5:02 PM ET47.0 KB - SC 13G/AHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. SC 13G/A
May 18, 5:01 PM ET407.4 KB - 10-QHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. 10-Q
May 9, 4:35 PM ET7.7 MB - 8-KHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. 8-K
May 9, 4:32 PM ET434.5 KB - 8-KHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. 8-K
Apr 17, 5:21 PM ET443.3 KB - 10-KHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. 10-K
Mar 1, 4:41 PM ET13.3 MB - 8-KHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. 8-K
Mar 1, 4:36 PM ET575.5 KB - SC 13G/AHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. SC 13G/A
Feb 14, 5:43 PM ET54.0 KB - SC 13G/AHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. SC 13G/A
Feb 14, 12:38 PM ET7.1 KB - 8-KHeritage-Crystal Clean, Inc.
Heritage-Crystal Clean, Inc. 8-K
Dec 9, 12:32 PM ET299.6 KB
Featured Issuers
12ALLWASTE INC
CIK 0000804742
American Heritage International Inc.
CIK 0001545236
AQUAGENIX INC/DE
CIK 0000923604
BIOCRUDE TECHOLOGIES INC
CIK 0001390131
BIOSHAFT WATER TECHNOLOGY, INC.
CIK 0001365784
- $CDTG
CDT Environmental Technology Investment Holdings Ltd
CIK 0001793895
China Water Group, Inc.
CIK 0001083459
CIRQUE ENERGY, INC.
CIK 0001343979
- $DXST
Decent Holding Inc.
CIK 0001958133
Dynamic Enviro Inc.
CIK 0001643930
ECOSCIENCES, INC.
CIK 0001493174
ENVIROQ CORP /DE/
CIK 0000937256
Classification
- SIC Code
- 4950
- Total Issuers
- 29
- Recent Filings
- 40