Contractor profile
CORNERSTONE ENVIRONMENTAL CONSULTING LLC
Active registrationSelf Certified Small Disadvantaged BusinessSmall Business
UEILXYTA3FNXNG1
CAGE code5UKM6
Primary NAICS541620
LocationFLAGSTAFF, AZ, 86001
Federal obligations$5M
Prime awards29
Active awards14
Latest award actionJul 24, 2026
Federal award activity
Public award recordTop federal customers
- Department of Agriculture19 awards$4M
- Department of the Interior9 awards$555,684
- General Services Administration1 awards$0
NAICS award mix
- 11531013 awards$2M
- 54162013 awards$1M
- 5417203 awards$857,233
PSC award mix
- F0999 awards$2M
- B5038 awards$979,248
- F0122 awards$720,000
- B5101 awards$355,000
- B5993 awards$259,408
- F9992 awards$161,729
- R4991 awards$137,233
- F0192 awards$110,315
Contract vehicles
- 12363N24A412013 awards$2M
- 47QRAA19D005711 awards$1M
- 12837120D00092 awards$720,000
Potential recompetes
- Department of Agriculture$100,000
- Department of Agriculture$161,091
- Department of Agriculture$211,108
- Department of Agriculture$137,233
- Department of Agriculture$398,856
- Department of Agriculture$54,313
- Department of the Interior$203,833
- Department of the Interior$107,703
- Department of Agriculture$175,979
- Department of Agriculture$210,000
Prime award history
| Award | Agency / office | Category | Value | Dates |
|---|---|---|---|---|
| 127EAV26F003512363N24A4120/127EAV26F0035 (1172165) HAUNTED CAMPAIGN HERITAGE SURVEYS TONTO NATIONAL FOREST | Department of AgricultureUSDA-FS, CSA SOUTHWEST 5 | NAICS 115310PSC B503 | $54,313 | Aug 1, 2026 – Mar 31, 2027 |
| 127EAV26F0033ARCHAEOLOGICAL SURVEY OF 4302 ACRES FOR THE PURPOSE OF RE-PLANTING WITHIN FIRE SCARS ON THE PAYSON AND PLEASANT VALLEY RANGER DISTRICT OF THE TNF. | Department of AgricultureUSDA-FS, CSA SOUTHWEST 5 | NAICS 115310PSC F099 | $211,108 | Jul 20, 2026 – Jul 19, 2027 |
| 127EAV26F0028THIS PROJECT IS TO CONDUCT PEDESTRIAN SURVEY ON THE SANTA FE NATIONAL FOREST ON THE PECOS/ LAS VEGAS AND ESPANOLA RANGER DISTRICTS IN SAN MIGUEL COUNTY. | Department of AgricultureUSDA-FS, CSA SOUTHWEST 5 | NAICS 115310PSC F099 | $328,968 | Jul 13, 2026 – Jan 28, 2028 |
| 47QRAA19D0057SIN: 899 1THE SERVICES INCLUDE, BUT ARE NOT LIMITED TO CONSULTATION IN THE AREAS OF:: PLANNING AND DOCUMENTATION SERVICES FOR THE DEVELOPMENT, PLANNING, FACILITATION, COORDINATION, AND DOCUMENTATION OF AND/OR FOR ENVIRONMENTAL INITIATIVES (OR MANDATES SUCH AS EXECUTIVE ORDER 13693 IN AREAS OF CHEMICAL, RADIOLOGICAL, AND/OR HAZARDOUS MATERIALS; ISO 14001 ENVIRONMENTAL MANAGEMENT SYSTEM (EMS) AND SUSTAINABLE PERFORMANCE MEASURE DEVELOPMENT; ENVIRONMENTAL ASSESSMENT (EA) AND ENVIRONMENTAL IMPACT STATEMENT (EIS) PREPARATION UNDER THE NATIONAL ENVIRONMENTAL POLICY ACT (NEPA); ENDANGERED SPECIES, WETLAND, WATERSHED, AND OTHER NATURAL RESOURCE MANAGEMENT PLANS; ARCHEOLOGICAL AND/OR CULTURAL RESOURCE MANAGEMENT PLANS; ENVIRONMENTAL PROGRAM AND PROJECT MANAGEMENT; ENVIRONMENTAL REGULATION DEVELOPMENT; CLIMATE CHANGE ADAPTATION AND RESILIENCY PLANNING AND IMPLEMENTATION SUPPORT, INCLUDING BUT NOT LIMITED TO, IDENTIFYING CLIMATE RISKS AND IMPACTS; APPLYING AND INTERPRETING CLIMATE AND IMPAC | General Services AdministrationGSA/FAS/PSHC/PROF SRVCS SCHED-PSS | NAICS 541620PSC F999 | $0 | Mar 1, 2019 – Not stated |
| 127EAV26F002212363N24A4120/127EAV26F0022 HORSE WASH HERITAGE SURVEY PRESCOTT NATIONAL FOREST CONDUCT INTENSIVE PEDESTRIAN CULTURAL RESOURCE SURVEY OF THE IDENTIFIED 1,850 ACRES TO ASSESS THE PROJECTS EFFECTS ON SITES. RECORD ALL NEWLY IDENTIFIED SITES AND ISOLAT | Department of AgricultureUSDA-FS, CSA SOUTHWEST 5 | NAICS 115310PSC B503 | $126,115 | Aug 15, 2026 – Aug 10, 2027 |
| 140L6426F0006CULTURAL INVENTORY, HIDDEN HILLS NORTH | Department of the InteriorARIZONA STATE OFFICE | NAICS 115310PSC B599 | $107,703 | Apr 24, 2026 – Jul 31, 2027 |
| 127EAU26C0008REQUIRED ARCHAEOLOGICAL SURVEY OF 2747 ACRES PRIOR TO RODEO CHEDISKI REPLANT PROJECT ON THE PLEASANT VALLEY RANGER DISTRICT OF THE TNF. | Department of AgricultureUSDA-FS, CSA SOUTHWEST 4 | NAICS 541720PSC R499 | $137,233 | May 1, 2026 – Dec 18, 2026 |
| 140L6426F0003WHITE SAGE FIRE ESR CULTURAL INVENTORY | Department of the InteriorARIZONA STATE OFFICE | NAICS 115310PSC B599 | $127,184 | Apr 15, 2026 – Aug 1, 2026 |
| 127EAU25F0034THIS (MEDIUM PRIORITY) PROJECT IS INTENDED TO PROVIDE MISSION-ESSENTIAL OSTEOLOGICAL AND COLLECTIONS MANAGEMENT EXPERTISE TO THE TONTO NATIONAL FOREST (TNF) HERITAGE PROGRAM TO LAND MANAGEMENT INTEGRATED RESOURCES (LMIR) BPA FY25-001484 DOGE APPROVED | Department of AgricultureUSDA-FS, CSA SOUTHWEST 4 | NAICS 115310PSC F099 | $231,400 | Oct 9, 2025 – Oct 10, 2027 |
| 12FPC325F0032TO PROVIDE INTENSIVE PEDESTRIAN CULTURAL RESOURCES INVENTORIES FOR NRCS-NEW MEXICO (2025-08), LOCATED IN SAN MIGUEL, MORA AND UNION COUNTIES | Department of AgricultureFPAC BUS CNTR-ACQ DIV-WESTERN SEC | NAICS 541620PSC F999 | $161,729 | Aug 7, 2025 – May 31, 2026 |
| 12363N23F4273THE KAIBAB NATIONAL FOREST (FOREST) IS PLANNING TO CONDUCT CULTURAL SURVEYS ON THE WILLIAMS AND TUSAYAN RANGER DISTRICTS. THE KAIBAB IS PLANNING A SERIES OF GRASSLAND RESTORATION PROJECTS OVER THE NEXT 5 YEARS ON BOTH RANGER DISTRICTS AS PART OF THE | Department of AgricultureUSDA-FS, STEWARDSHIP CONTRACTING BRANCH | NAICS 541620PSC B503 | $522,656 | Aug 29, 2023 – Mar 31, 2026 |
| 127EAU25F0037LAND MANAGEMENT INTEGRATED RESOURCES (LMIR) BPA DOGE APPROVAL FY25-002262 REQUISITION #1155306 THE MESA RANGER DISTRICT REQUIRES THIS MISSION ESSENTIAL KITTY JOE FUELS REDUCTION HERITAGE SURVEY CONTRACT FOR HERITAGE SURVEYS AND COMPLETION OF A SECTIO | Department of AgricultureUSDA-FS, CSA SOUTHWEST 4 | NAICS 115310PSC F099 | $77,641 | Sep 29, 2025 – Sep 30, 2026 |
Award links and obligation totals come from USAspending.gov public records.
Industries and classifications
NAICS 541370Surveying and Mapping (except Geophysical) ServicesNAICS 541620Environmental Consulting ServicesNAICS 541690Other Scientific and Technical Consulting ServicesNAICS 541922Commercial PhotographyNAICS 541990All Other Professional, Scientific, and Technical ServicesNAICS 712120Historical Sites
Public points of contact
MADELEINE I BRYANTCO-OWNERGovernment business
CAITLIN STEWARTAlternate government business
MADELEINE I BRYANTCO-OWNERElectronic business
CAITLIN STEWARTAlternate electronic business
Names and titles are reproduced from the public registration. FedRoster does not guess or enrich personal contact details.