Federal contractor · public award history
HORSLEY WITTEN GROUP, INC.
DBA HORSLEY & WITTEN INC
Parent: HORSLEY WITTEN GROUP, INC. Unique Entity Identifier (UEI)QCNWNDJ3XQU1
- Awards we know about
- 40
- Typical size
- $259,513
- Middle of their public awards
- Dollars on those awards
- $17.52M
Most of their awards we can see fall roughly between $97,739 and $487,960.
SAM.gov registration
- Status
- Active
- Purpose of registration
- All awards (Z2)
- Registration expires
- Oct 9, 2026
- Activation date
- Oct 9, 2025
- Primary NAICS (SAM)
- Environmental Consulting Services541620
Other NAICS on file
Business types (SAM)
Registration fields from the official SAM.gov public entity extract (monthly bulk). Not a substitute for live SAM checks.
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Use the verified identifiers and public award record to investigate documented incumbents, compare competitors, or identify possible teaming partners. This is a research starting point, not a capability or partner recommendation.
These official USAspending contract records do not rate capability or past performance and do not tell you whether to team or bid.
Awarding agencies
- Environmental Protection Agency (28)
- Department of Commerce (10)
- General Services Administration (2)
Industries & product codes
Award history
- Environmental Protection Agency$12.10MSep 26, 2025Procurement Instrument Identifier (PIID)EPC16017Environmental Consulting Services541620Special Studies/Analysis- RegulatoryB528Contract awardUSAspending ↗
TECHNICAL SUPPORT FOR DEVELOPING AND APPROVING WATER QUALITY STANDARDS AND CRITERIA CLOSELY ASSOCIATED - IGF::CL::IGF
- Environmental Protection Agency$167,549Sep 24, 2025Procurement Instrument Identifier (PIID)68HERH24F0112Environmental Consulting Services541620Other Environmental ServicesF999Contract awardUSAspending ↗
COMMUNITY PERCEPTIONS OF THEIR CHILDRENS HEALTH, WELL BEING, AND QUALITY OF LIFE
- Environmental Protection Agency$146,229Sep 18, 2025Procurement Instrument Identifier (PIID)68HERC25F0163Environmental Consulting Services541620Environmental Systems Protection- Environmental Consulting And Legal SupportF115Contract awardUSAspending ↗
F115 CONTINUED TECHNICAL AND ADMINISTRATIVE SUPPORT TO RURAL, SMALL AND TRIBAL WASTEWATER INFRASTRUCTURE SYSTEMS
- Environmental Protection Agency$699,855Sep 12, 2025Procurement Instrument Identifier (PIID)68HERC25F0123Environmental Consulting Services541620Environmental Systems Protection- Environmental Consulting And Legal SupportF115Contract awardUSAspending ↗
TASK ORDER AWARD - CONTINUED TECHNICAL SUPPORT TO STATES FOR LEAD SERVICE LINE INVENTORIES & REPLACEMENT"
- Environmental Protection Agency$277,833Sep 11, 2025Procurement Instrument Identifier (PIID)68HERC25F0221Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
B510 - EMERGENCY RESPONSE TECHNICAL ASSISTANCE AND GUIDANCE; EDWS, EMAC FY25
- Environmental Protection Agency—Sep 11, 2025Procurement Instrument Identifier (PIID)68HERC24A0001Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Indefinite Delivery Vehicle (IDV)USAspending ↗
SUPPORT FOR ALL HAZARDS EMERGENCY PREPAREDNESS AND RESPONSE PROGRAMS FOR WATER SECURITY.
- Environmental Protection Agency$569,143Sep 8, 2025Procurement Instrument Identifier (PIID)68HERC24F0289Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
SUPPORT FOR FY24 WARN, ICS, DROUGHT, AND REGIONAL TRAINING SUPPORT
- General Services Administration—Sep 5, 2025Procurement Instrument Identifier (PIID)47QRAA22D005PEnvironmental Consulting Services541620Other Environmental ServicesF999Indefinite Delivery Vehicle (IDV)USAspending ↗
FEDERAL SUPPLY SCHEDULE CONTRACT
- Department of Commerce$97,843Aug 20, 2025Procurement Instrument Identifier (PIID)1305M225F0174Environmental Consulting Services541620Natural Resources And Environment R&D Services; Conservation And Land Management; Basic ResearchAH21Contract awardUSAspending ↗
1305M222ANCNP0003/1305M225F0174: CALL ORDER AWARDED TO HORSLEY WITTEN GROUP FOR CULEBRA WATERSHED MONITORING IAW EXECUTIVE ORDER 14222, OR-25-01488.
- Environmental Protection Agency$525,582Aug 18, 2025Procurement Instrument Identifier (PIID)68HERC25F0307Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
B510- SUPPORT FOR TECHNICAL ASSISTANCE TO DRINKING WATER AND WASTEWATER UTILITIES TO PREPARE FOR AND RESPOND TO DISASTERS
- Department of Commerce$97,635Aug 14, 2025Procurement Instrument Identifier (PIID)1305M225F0175Environmental Consulting Services541620Natural Resources And Environment R&D Services; Conservation And Land Management; Basic ResearchAH21Contract awardUSAspending ↗
1305M222ANCNP0003/1305M225F0175: CALL ORDER AWARDED TO HORSLEY WITTEN GROUP FOR ADAPTIVE MANAGEMENT OF LAND-BASED SOURCES OF POLLUTION (LBSP) ON CULEBRA ISLAND, PUERTO RICO IAW EXECUTIVE ORDER 14222, OR-25-01490.
- Environmental Protection Agency$334,694Aug 6, 2025Procurement Instrument Identifier (PIID)68HERC22F0019Environmental Consulting Services541620Environmental Systems Protection- Environmental Consulting And Legal SupportF115Contract awardUSAspending ↗
WATER QUALITY STANDARDS (WQS) NATIONAL POLICY AND HANDBOOK SUPPORT
- Environmental Protection Agency$362,698Aug 6, 2025Procurement Instrument Identifier (PIID)68HERC22F0526Environmental Consulting Services541620Education/Training- LecturesU001Contract awardUSAspending ↗
COMPETITIVE TASK ORDER UNDER OW MULTIPLE SMALL BUSINESS CONTRACT, FOR WATER QUALITY STANDARDS (WQS) ACADEMY-FALL 2022 TO FALL 2024 IN ACCORDANCE WITH THE ATTACHED PERFORMANCE WORK STATEMENT.
- Environmental Protection Agency$3.74MAug 6, 2025Procurement Instrument Identifier (PIID)68HERC23F0101Environmental Consulting Services541620Environmental Systems Protection- Environmental Consulting And Legal SupportF115Contract awardUSAspending ↗
TASK ORDER AWARD UNDER THE OW SMALL BUSINESS MULTIPLE AWARD CONTRACT 68HERC20D0011 TITLED "TECHNICAL SUPPORT TO STATE LEAD SERVICE LINE INVENTORIES & REMOVAL"
- Environmental Protection Agency$172,877Jul 10, 2025Procurement Instrument Identifier (PIID)68HERC25F0293Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
B510- SUPPORT DEFENSE CRITICAL INFRASTRUCTURE (DCI) WATER RESILIENCY.
- Environmental Protection Agency$273,607Jul 8, 2025Procurement Instrument Identifier (PIID)68HERH24F0399Environmental Consulting Services541620Other Environmental ServicesF999Contract awardUSAspending ↗
TECHNICAL ASSISTANCE TO INTEGRATE GREEN INFRASTRUCTURE, LOW IMPACT DEVELOPMENT, AND NATURE-BASED SOLUTION PRACTICES WITH UPDATED HYDROLOGIC MODELING INTO THE LAHAINA MASTER DRAINAGE PLAN
- General Services Administration$2,500Jul 8, 2025Procurement Instrument Identifier (PIID)47QRCA25DSB78Remediation Services562910Support- Professional: OtherR499Indefinite Delivery Vehicle (IDV)USAspending ↗
ONE ACQUISITION SOLUTION FOR INTEGRATED SERVICES PLUS (OASIS+) SMALL BUSINESS MULTIPLE AGENCY CONTRACT (MAC)
- Department of Commerce$235,229Jun 25, 2025Procurement Instrument Identifier (PIID)1305M225F0164Environmental Consulting Services541620Natural Resources And Environment R&D Services; Conservation And Land Management; Basic ResearchAH21Contract awardUSAspending ↗
1305M222ANCNP0003/1305M225F0164: CALL ORDER AWARDED TO HORSLEY WITTEN GROUP TO REDUCE LAND-BASED INPUTS TO OLOWALU REEF IAW EXECUTIVE ORDER 14222, OR-25-00097.
- Department of Commerce—Jun 18, 2025Procurement Instrument Identifier (PIID)1305M222ANCNP0003Environmental Consulting Services541620Natural Resources And Environment R&D Services; Conservation And Land Management; Basic ResearchAH21Indefinite Delivery Vehicle (IDV)USAspending ↗
WATERSHED MANAGEMENT SERVICES
- Environmental Protection Agency$1.17MJun 5, 2025Procurement Instrument Identifier (PIID)68HERC22F0438Environmental Consulting Services541620Environmental Systems Protection- Environmental Consulting And Legal SupportF115Contract awardUSAspending ↗
FOLLOW ON TO 68HERC21F0433 "TECHNICAL AND ADMINISTRATIVE SUPPORT FOR THE WATERS OF THE UNITED STATES PROPOSED RULE AND THE CWA SECTION 401 CERTIFICATION PROPOSED RULE"
- Environmental Protection Agency$342,494Jun 5, 2025Procurement Instrument Identifier (PIID)68HERC23F0175Environmental Consulting Services541620Environmental Systems Protection- Environmental Consulting And Legal SupportF115Contract awardUSAspending ↗
TECHNICAL AND ADMINISTRATIVE SUPPORT TO RURAL, SMALL AND TRIBAL WASTEWATER INFRASTRUCTURE SYSTEMS IN ACCORDANCE WITH THE ATTACHED PERFORMANCE WORK STATEMENT (PWS). NEW COMPETITIVE TASK ORDER
- Environmental Protection Agency$71,719Jun 4, 2025Procurement Instrument Identifier (PIID)68HERC24F0406Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
SUPPORT TO FY24 WATER/EMERGENCY SERVICES SECTOR INTERDEPENDENCIES FFP LABOR: $70,219.08 COST-REIMBURSABLE TRAVEL: $1,500 TOTAL FFP: $71,719.08
- Environmental Protection Agency$450,337May 28, 2025Procurement Instrument Identifier (PIID)68HE0123F0060Environmental Consulting Services541620Other Environmental ServicesF999Contract awardUSAspending ↗
2023 CLEAN WATER ACT BLANKET PURCHASE AGREEMENT (BPA) REGION 1 - CALL ORDER
- Environmental Protection Agency—May 16, 2025Procurement Instrument Identifier (PIID)68HERH21A0011Environmental Consulting Services541620Other Environmental ServicesF999Indefinite Delivery Vehicle (IDV)USAspending ↗
RFQ TITLE: EPA DISASTER RESILIENCE ASSISTANCE BLANKET PURCHASE AGREEMENT AGENCY: ENVIRONMENTAL PROTECTION AGENCY (EPA) PROGRAM OFFICE: ADMINISTRATOR'S OFFICE (AO), OFFICE OF POLICY (OP), OFFICE OF COMMUNITY REVITALIZATION (OCR) THIS IS A C
- Environmental Protection Agency$138,571May 12, 2025Procurement Instrument Identifier (PIID)68HERC24F0530Environmental Consulting Services541620Environmental Systems Protection- Environmental Consulting And Legal SupportF115Contract awardUSAspending ↗
TO AWARD FOR WQS ACADEMY FALL 2024 TO MARCH 2026 SUPPORT
- Environmental Protection Agency—Apr 21, 2025Procurement Instrument Identifier (PIID)68HERC20D0011Environmental Consulting Services541620Environmental Systems Protection- Environmental Consulting And Legal SupportF115Indefinite Delivery Vehicle (IDV)USAspending ↗
THE UNITED STATES ENVIRONMENTAL PROTECTION AGENCY (EPA) OFFICE OF WATER (OW), REQUIRES TECHNICAL AND ADMINISTRATIVE CONTRACTOR SUPPORT TO SPAN ACROSS OW'S IMMEDIATE OFFICE (IO), OFFICE OF GROUNDWATER AND DRINKING WATER (OGWDW), OFFICE OF SCIENCE
- Environmental Protection Agency$45,041Apr 15, 2025Procurement Instrument Identifier (PIID)68HERC25F0220Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
B510 - POWER RESILIENCE WORKSHOPS AND WEBINARS FY25
- Department of Commerce$259,513Mar 31, 2025Procurement Instrument Identifier (PIID)1305M223FNCNP0403Environmental Consulting Services541620Other Environmental ServicesF999Contract awardUSAspending ↗
NOS/OCM: PROVIDE IMPLEMENTATION OF RESTORATION ACTIONS TO REDUCE LAND-BASED INPUTS TO OLOWALU REEF, HI.
- Environmental Protection Agency$74,817Mar 20, 2025Procurement Instrument Identifier (PIID)68HE0118F0010Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
THIS IS A NEW REGION 1 PROCUREMENT ACTION SEEKING CONTRACTOR DIRECT ASSISTANCE FOR THE PALMER RIVER WATERSHED. JUSTIFICATION: THIS IS A WORK SCOPE FOR A NEW BPA TASK ORDER FOR THE PALMER RIVER WATERSHED. THE PROJECT SEEKS CONTRACTOR ASSISTANCE FOR (A) DEVELOPING RECOMMENDATIONS ON THE USE OF PHYLOCHIP FOR IDENTIFYING BACTERIAL CONTAMINATION, (B) ANALYZING WATER QUALITY TRENDS IN THE PALMER RIVER WATERSHED USING EXISTING WATER QUALITY DATA AND GEOSPATIAL INFORMATION; AND (3) ANALYSIS OF THE IMPACT THAT CHANGING LAND USE IS EXPECTED TO HAVE IN THE PALMER RIVER WATERSHED AND RECOMMENDATIONS FOR REDUCING THE IMPACTS OF LAND DEVELOPMENT ON WATER QUALITY.
- Environmental Protection Agency$103,360Mar 20, 2025Procurement Instrument Identifier (PIID)68HE0119F0049Environmental Consulting Services541620R&D- Environmental Protection: Water Pollution (Management/Support)AH36Contract awardUSAspending ↗
DEVELOPMENT OF A 125,000.00 STATEWIDE TMDL ADDRESSING NUTRIENT LOADING AND HARMFUL ALGAL BLOOM (HAB) FORMATION WITH WATERSHED SPECIFIC APPENDICES TO ADDRESS SITE-SPECIFIC CONDITIONS.
- Department of Commerce$2.30MMar 14, 2025Procurement Instrument Identifier (PIID)1333ND20FNB730041Environmental Consulting Services541620Support- Professional: Market Research/Public OpinionR422Contract awardUSAspending ↗
HURRICANE MARIA IMPACT SURVEY
- Environmental Protection Agency$338,197Mar 6, 2025Procurement Instrument Identifier (PIID)68HERC24F0025Environmental Consulting Services541620Support- Professional: Engineering/TechnicalR425Contract awardUSAspending ↗
WQS NATIONAL POLICY AND WQS HANDBOOK SUPPORT NOV 2023 TO NOV 2025
- Environmental Protection Agency$549,535Feb 28, 2025Procurement Instrument Identifier (PIID)68HERC24F0248Environmental Consulting Services541620Special Studies/Analysis- Environmental AssessmentsB510Contract awardUSAspending ↗
SUPPORT FOR TECHNICAL SUPPORT, TRAINING, AND GUIDANCE FOR CYBERSECURITY AT DRINKING WATER AND WASTEWATER SYSTEMS (WWSS) FIRM-FIXED-PRICE: $497,035.20 COST-REIMBURSABLE TRAVEL ESTIMATE: $52,500 TOTAL: $549,535.20
- Department of Commerce$204,973Feb 19, 2025Procurement Instrument Identifier (PIID)1305M223FNCNP0380Environmental Consulting Services541620Other Environmental ServicesF999Contract awardUSAspending ↗
NOS/OCM/ ADMINISTRATIVE AND PROFESSIONAL SERVICES FOR COASTAL FELLOWSHIP PROGRAMS.
- Environmental Protection Agency$332,658Feb 13, 2025Procurement Instrument Identifier (PIID)68HERC22F0381Environmental Consulting Services541620Support- Administrative: Information RetrievalR612Contract awardUSAspending ↗
NEW TASK ORDER - TECHNICAL AND ADMINISTRATIVE SUPPORT FOR THE CWA 404(C) REVIEW PROCESS RELATED TO THE PEBBLE DEPOSIT AREA, SW ALASKA.
- Environmental Protection Agency$95,044Dec 4, 2024Procurement Instrument Identifier (PIID)68HERC24F0186Environmental Consulting Services541620Environmental Systems Protection- Environmental Consulting And Legal SupportF115Contract awardUSAspending ↗
TO AWARD FOR TECHNICAL SUPPORT TO DEVELOP STRATEGIC FORESIGHT ASSESSMENTS 2024 FOR CLIMATE READY ESTUARIES
- Department of Commerce$79,163Dec 3, 2024Procurement Instrument Identifier (PIID)1305M224F0061Environmental Consulting Services541620Natural Resources And Environment R&D Services; Conservation And Land Management; Basic ResearchAH21Contract awardUSAspending ↗
BPA CALL: 1305M222ANCNP0003/1305M224F0061, NOS/OCM: PROVIDE WATERSHED COORDINATION, PROTECTION, AND RESTORATION TO CONTROL LAND BASED POLLUTION IN CULEBRA, PUERTO RICO.
- Department of Commerce$49,894Nov 20, 2024Procurement Instrument Identifier (PIID)1305M224F0195Environmental Consulting Services541620Natural Resources And Environment R&D Services; Conservation And Land Management; Basic ResearchAH21Contract awardUSAspending ↗
1305M222ANCNP0003/1305M224F0195: NOS/OCM BUILDING CAPACITY IN THE US VIRGIN ISLANDS TO REDUCE LAND-BASED SOURCES OF POLLUTION THREATS
- Environmental Protection Agency$626,272Nov 19, 2024Procurement Instrument Identifier (PIID)68HERH24F0022Environmental Consulting Services541620Other Environmental ServicesF999Contract awardUSAspending ↗
COASTAL FLORIDA RECOVERY AND RESILIENCY PARTNERSHIP PROJECT: RESILIENT COMMUNITY STRATEGIES FOR HURRICANE IAN RECOVERY
- Department of Commerce$25,029Nov 14, 2024Procurement Instrument Identifier (PIID)1305M224F0202Environmental Consulting Services541620Natural Resources And Environment R&D Services; Conservation And Land Management; Basic ResearchAH21Contract awardUSAspending ↗
1305M222ANCNP0003/1305M224F0202: NOA/OCM MONITORING AND EVALUATION OF LAND-BASED SOURCES OF POLLUTION (LBSP) SUCCESS ON CULEBRA ISLAND, PUERTO RICO
For research only. This is not legal advice, a past-performance review, or a recommendation to team or bid. Check USAspending and SAM.gov.