Skip to the page
Get started free

Data / Federal awards / NAICS 541620 / Department of Homeland Security

Department of Homeland Security contracts under NAICS 541620 Environmental Consulting Services: $350.6 million to 94 recipients (FY2024 to FY2027)

Updated October 6, 2026. Source: USAspending.gov.

Department of Homeland Security obligated $350.6 million under NAICS 541620, Environmental Consulting Services, across 368 contract awards to 94 named recipients in fiscal years 2024 to 2027. The largest recipients are VERNADERO GROUP INC ($71.6 million), GULF SOUTH RESEARCH CORP ($62.3 million), THE CADMUS GROUP LLC ($46.7 million). 13 opportunities under this code are open on SAM.gov now.

The request: Every federal contract awarded by Department of Homeland Security under NAICS 541620, with the winner, the value and the period of performance. $10 of work on sign-up, no card.

Get contracts like theseWatch Department of Homeland Security

SpecStream is the live web data engine for teams and agents. It reads every federal contract award on USAspending.gov and every open opportunity on SAM.gov, and this page is that reading. Ask for the awards in your niche and the winners, agencies, values and recompetes arrive in your sheet, CRM, Slack or agent as they are reported.

Agency
Department of Homeland Security
NAICS code
541620 Environmental Consulting Services
Contract awards
368
Obligated
$350.6 million
Named recipients
94
Small business share of obligations
59%
Full and open competition share
89%
Set aside share
4%
Latest action
2026-09-30

Open opportunities in this niche

The same code on SAM.gov, read each morning: 13 opportunities you can still respond to.

Incumbents at this agency

Ranked by dollars obligated in fiscal years 2024 to 2027.

RecipientBusiness sizeAwardsObligatedShare
VERNADERO GROUP INCSmall Business13$71.6 million20.4%
GULF SOUTH RESEARCH CORPSmall Business32$62.3 million17.8%
THE CADMUS GROUP LLCOther Than Small Business69$46.7 million13.3%
ECO & ASSOCIATES, INC.Small Business3$24.3 million6.9%
TIERRA RIGHT OF WAY SERVICES LTDSmall Business5$23 million6.6%
CDM FEDERAL PROGRAMS CORPORATIONOther Than Small Business23$18.1 million5.2%
MERRICK & COMPANYOther Than Small Business1$14.9 million4.3%
BRICE SOLUTIONS, LLCSmall Business9$11.4 million3.3%
LMI CONSULTING, LLCOther Than Small Business2$9.2 million2.6%
DAWSON MCG, INC.Small Business3$9.1 million2.6%
SUNDANCE CONSULTANTS, LLCOther Than Small Business2$8.7 million2.5%
GV HENSON CREEK LLCOther Than Small Business1$6.7 million1.9%
SIGNATURE SCIENCE LLCOther Than Small Business2$6.4 million1.8%
S C & A INCSmall Business11$6.3 million1.8%
LRS FEDERAL LLCSmall Business2$5 million1.4%
SOLV LLCSmall Business3$4.5 million1.3%
VERINA-RENOVA JV LLCSmall Business1$3.6 million1.0%
AVID CORE LLCSmall Business2$3.1 million0.9%
AGILE FACILITIES SOLUTIONS, LLCSmall Business1$2.9 million0.8%
RECON ENVIRONMENTAL,INC.Small Business12$2.8 million0.8%
HDR ENVIRONMENTAL, OPERATIONS AND CONSTRUCTION, INC.Other Than Small Business5$2.5 million0.7%
STANTEC GS INC.Other Than Small Business3$2.1 million0.6%
NORTHLAND RESEARCH, INCSmall Business11$1.5 million0.4%
TIDEWATER, INC.Other Than Small Business2$1.2 million0.4%
EASTERN RESEARCH GROUP INCOther Than Small Business8$1.2 million0.3%
AIRQUEST ENVIRONMENTAL, INCSmall Business1$1 million0.3%
WSP USA SOLUTIONS INCOther Than Small Business1$477,8910.1%
ARCADIS OF NEW YORK, INC.Other Than Small Business1$372,1310.1%
C.J. SETO SUPPORT SERVICES, LLCSmall Business1$368,9850.1%
AEROSOL MONITORING & ANALYSIS, INC.Small Business19$350,2520.1%
N.W.F.F., INC.Small Business3$320,0910.1%
LIMNO-TECH INCOther Than Small Business1$249,9990.1%
RESEARCH PLANNING, INC.Other Than Small Business2$147,3820.0%
MECA CONSULTING INCSmall Business1$138,0610.0%
BLUESTONE ENVIRONMENTAL GROUP, INC.Small Business1$118,3930.0%
CAMERON CHEMICAL CORPOther Than Small Business8$96,2170.0%
TETRA TECH, INC.Other Than Small Business8$88,2500.0%
ADVANCED MATRIX, INC.Small Business1$84,5000.0%
ENVIRONMENTAL COMPLIANCE CONSULTANTS, INC.Small Business1$83,3440.0%
PEGASUS TECHNICAL SERVICES, INCOther Than Small Business1$74,6730.0%
UNITED STATES COAST GUARD ACADEMY SPONSORED PROGRAMS AND RESEARCH, INCOther Than Small Business1$69,2300.0%
MOUNTAIN METHODS, INC.Small Business2$63,6930.0%
POTOMAC-HUDSON ENGINEERING INCSmall Business2$58,1050.0%
ALASKA CHADUX NETWORKOther Than Small Business1$53,3140.0%
ELOS ENVIRONMENTAL, LLCSmall Business1$37,6040.0%
CREDERE ASSOCIATES, LLCSmall Business1$37,1790.0%
EARTH SYSTEMS LLCSmall Business1$29,4100.0%
GEOINSIGHT, INC.Small Business1$22,4000.0%
AARCHER, INC.Small Business1$20,9390.0%
MASS TANK INSPECTION SERVICES LLCSmall Business1$19,7500.0%

Offices buying

Sub agencyAwardsObligated
U.S. Customs and Border Protection93$219.5 million
Federal Emergency Management Agency133$64.5 million
U.S. Coast Guard118$27.7 million
Office of Procurement Operations11$23.6 million
U.S. Secret Service5$10.9 million
U.S. Immigration and Customs Enforcement4$4.5 million
U.S. Citizenship and Immigration Services2$-65,654
Transportation Security Administration2$-72,196

Obligations by fiscal year

Fiscal yearObligated
FY2024$88.5 million
FY2025$50.1 million
FY2026$212 million

Products and services bought

CodeProduct or serviceAwardsObligated
F999Other Environmental Services44$102.8 million
B510Special Studies/analysis- Environmental Assessments78$97.2 million
F110Environ Sys Protect- Development of Environ Impact Stmts/assessments, Tech Analysis/environ Audits16$44.6 million
R499Support- Professional: Other53$37.3 million
R410Support- Professional: Program Evaluation/review/development15$25.8 million
B504Special Studies/analysis- Chemical/biological2$21.3 million
R699Support- Administrative: Other17$17.3 million
R408Support- Professional: Program Management/support6$4.2 million

Largest contract awards

Award IDRecipientAgencyTypeNAICSWhat it buysObligated in windowAward valueStartsEndsPlace of performanceSource
70B01C26F00000059VERNADERO GROUP INCDepartment of Homeland SecurityDelivery Order541620CONSTRUCTION MONITORING SERVICES FOR TCA-2 BORDER BARRIER CONSTRUCTION.$19,107,285$19,107,285February 12, 2026February 11, 2028Tucson, AZusaspending.gov
70FB8024F00000023THE CADMUS GROUP LLCDepartment of Homeland SecurityBPA Call541620THE PURPOSE OF THIS CALL ORDER IS TO OBTAIN HERMITS PEAK CALF CANYON CLAIMS OFFICE, PROGRAM MANAGEMENT SUPPORT SERVICES UNDER THE OFFICE OF $18,190,853$18,190,853April 22, 2024September 5, 2025Santa Fe, NMusaspending.gov
70RSAT24C00000001MERRICK & COMPANYDepartment of Homeland SecurityDefinitive Contract541620CONTRACT AWARD FOR THE PLUM ISLAND ANIMAL DISEASE CENTER (PIADC) PLUM ISLAND CLOSURE AND SUPPORT (PICS) PROGRAM SCIENTIFIC, TECHNICAL AND EN$14,924,331$14,924,331January 8, 2024January 7, 2027Orient, NYusaspending.gov
70B01C26F00000684ECO & ASSOCIATES, INC.Department of Homeland SecurityDelivery Order541620TASK ORDER TO SUPPORT CULTURAL AND NATURAL RESOURCE MONITORING FOR THE CONSTRUCTION OF BORDER BARRIER IN SECTOR BBT-5.$10,965,473$10,965,473August 14, 2026January 30, 2028Big Bend National Park, TXusaspending.gov
70B01C26F00000215GULF SOUTH RESEARCH CORPDepartment of Homeland SecurityDelivery Order541620CULTURAL AND NATURAL RESOURCES MONITORING FOR BORDER WALL CONSTRUCTION SEGMENTS IN LAREDO SECTOR, LRT-1 AND LRT-2.$9,724,710$9,724,710March 3, 2026March 8, 2028Laredo, TXusaspending.gov
70B01C25F00001075LMI CONSULTING, LLCDepartment of Homeland SecurityBPA Call541620TASK ORDER TO FUND OPTION PERIOD 1 FOR BPA 70B01C25A00000031.$9,199,381$9,199,381September 30, 2025September 29, 2027Washington, DCusaspending.gov
70B01C26F00000178TIERRA RIGHT OF WAY SERVICES LTDDepartment of Homeland SecurityDelivery Order541620CONSTRUCTION MONITORING SERVICES$8,589,712$8,589,712March 8, 2026March 30, 2028Tucson, AZusaspending.gov
70B01C26F00000072ECO & ASSOCIATES, INC.Department of Homeland SecurityDelivery Order541620CONSTRUCTION MONITORS ALONG THE SOUTHWEST BORDER.$8,393,259$8,393,259January 7, 2026January 30, 2028Santa Ana, CAusaspending.gov
70FA6024F00000044CDM FEDERAL PROGRAMS CORPORATIONDepartment of Homeland SecurityBPA Call541620HAZARD MITIGATION ASSISTANCE PROGRAM INTEGRATION AND SUPPORT SERVICES.$8,163,525$8,163,525September 29, 2024January 31, 2026Washington, DCusaspending.gov
70B01C26F00000237GULF SOUTH RESEARCH CORPDepartment of Homeland SecurityDelivery Order541620CONSTRUCTION MONITORING SERVICES SW BORDER$8,078,087$8,078,087March 10, 2026March 30, 2028Baton Rouge, LAusaspending.gov
70FA6026F00000014CDM FEDERAL PROGRAMS CORPORATIONDepartment of Homeland SecurityBPA Call541620HAZARD MITIGATION ASSISTANCE NATIONAL TECHNICAL REVIEW SUPPORT SERVICES$7,985,857$7,985,857September 21, 2026September 20, 2027Washington, DCusaspending.gov
70B01C26F00000530GULF SOUTH RESEARCH CORPDepartment of Homeland SecurityDelivery Order541620TASK ORDER FOR NATURAL AND CULTURAL RESOURCE MONITORING AT BORDER WALL CONSTRUCTION SEGMENT IN EL PASO SECTOR (EPT-5)$7,794,567$7,794,567July 9, 2026December 30, 2027El Paso, TXusaspending.gov
70B01C26F00000116VERNADERO GROUP INCDepartment of Homeland SecurityDelivery Order541620CONSTRUCTION MONITORS ON THE SW BORDER$7,473,493$7,473,493January 20, 2026January 30, 2028Phoenix, AZusaspending.gov
70B01C26F00000717VERNADERO GROUP INCDepartment of Homeland SecurityDelivery Order541620CONSTRUCTION MONITORING$7,445,988$7,445,988August 15, 2026January 30, 2028Phoenix, AZusaspending.gov
70B01C26F00000690VERNADERO GROUP INCDepartment of Homeland SecurityDelivery Order541620TASK ORDER AWARD FOR CULTURAL AND NATURAL RESOURCE MONITORING FOR CONSTRUCTION PROJECT IN BIG BEND TEXAS SEGMENT BBT-5.$7,016,387$7,016,387August 17, 2026January 30, 2028Big Bend National Park, TXusaspending.gov
70US0925C70093639GV HENSON CREEK LLCDepartment of Homeland SecurityDefinitive Contract541620PURCHASE MITIGATION CREDITS$6,692,418$6,692,418September 22, 2025September 21, 2028Bowie, MDusaspending.gov
70FA6024F00000046CDM FEDERAL PROGRAMS CORPORATIONDepartment of Homeland SecurityBPA Call541620THIS CALL ORDER WILL PROVIDE NECESSARY TECHNICAL SUPPORT TO THE HAZARD MITIGATION ASSISTANCE PROGRAM OFFICE AND ALL 10 FEMA REGIONS FOR NATI$6,590,516$6,590,516September 29, 2024September 28, 2026Washington, DCusaspending.gov
70RWMD22F00000035SIGNATURE SCIENCE LLCDepartment of Homeland SecurityDelivery Order541620THE BIOWATCH QA PROGRAM DEVELOPS, DOCUMENTS, AND COMMUNICATES OPERATIONAL QA REQUIREMENTS WITHIN PROGRAM PROTOCOLS AND FIELD OPERATIONS AND $6,375,037$12,375,180September 30, 2022September 29, 2026Austin, TXusaspending.gov
70B01C26F00000115VERNADERO GROUP INCDepartment of Homeland SecurityDelivery Order541620CONSTRUCTION MONITORS ON SW BORDER.$5,799,924$5,799,924January 20, 2026January 30, 2028Phoenix, AZusaspending.gov
70B01C26F00000228GULF SOUTH RESEARCH CORPDepartment of Homeland SecurityDelivery Order541620YUM-2 WELLTON CONSTRUCTION AND ENVIRONMENTAL MONITORING SERVICES$5,472,502$5,472,502March 9, 2026March 30, 2028Baton Rouge, LAusaspending.gov
70Z08724FJUNE0011BRICE SOLUTIONS, LLCDepartment of Homeland SecurityDelivery Order541620LORAN SITE INVESTIGATION AND DIVESTITURE PLANNING$5,235,216$5,235,216August 20, 2024December 31, 2027Juneau, AKusaspending.gov
70B01C26F00000302ECO & ASSOCIATES, INC.Department of Homeland SecurityDelivery Order541620CONSTRUCTION MONITORING SERVICES FOR LRT-3 BORDER BARRIER CONSTRUCTION.$4,954,044$4,954,044April 24, 2026December 30, 2027Laredo, TXusaspending.gov
70B01C26F00000689VERNADERO GROUP INCDepartment of Homeland SecurityDelivery Order541620TASK ORDER AWARD FOR NATURAL AND CULTURAL RESOURCE MONITORING FOR BORDER BARRIER CONSTRUCTION PROJECT IN ELC-2.$4,924,739$4,924,739August 14, 2026December 30, 2027El Centro, CAusaspending.gov
70B01C26F00000214TIERRA RIGHT OF WAY SERVICES LTDDepartment of Homeland SecurityDelivery Order541620NATURAL AND CULTURAL RESOURCE MONITORING SUPPORT SERVICES FOR BORDER WALL SEGMENT IN DEL RIO SECTOR, DRT-3$4,820,684$4,820,684March 10, 2026March 9, 2028Eagle Pass, TXusaspending.gov
70B01C26F00000181TIERRA RIGHT OF WAY SERVICES LTDDepartment of Homeland SecurityDelivery Order541620YUMA-2 YUMA CONSTRUCTION AND ENVIRONMENTAL MONITORING SERVICES$4,790,900$4,790,900March 9, 2026March 30, 2028Tucson, AZusaspending.gov

Public U.S. federal spending data (U.S. Department of the Treasury). Obligations are the contract actions dated in fiscal years 2024 to 2027 of the USAspending.gov award archive of 2026-10-06; a contract's total value is its current value as USAspending reports it, including earlier years. Recipients are matched on their SAM.gov UEI, never on the name, and are shown as the government prints them. Sole proprietorships and opted-out entities count in the totals and are not named. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.