# Cornerstone Environmental Consulting LLC

Canonical: https://abierto.us/vendors/cornerstone-environmental-consulting-llc-lxyta3fnxng1

- UEI: LXYTA3FNXNG1
- CAGE: 5UKM6
- Location: Flagstaff, AZ
- Awards in window: 46 (85 transactions), $5,229,971 obligated, January 9, 2024 to September 8, 2026

## Awarding agencies

- Forest Service: 31 awards, $4,106,793
- Bureau of Land Management: 8 awards, $717,950
- Under Secretary for Farm and Foreign Agricultural Services: 2 awards, $314,884
- Bureau of Reclamation: 1 awards, $52,638
- U.S. Fish and Wildlife Service: 3 awards, $37,706
- Federal Acquisition Service: 1 awards, $0

## Industries

- 115310 Support Activities for Forestry: $3,277,175
- 541620 Environmental Consulting Services: $1,571,399
- 541720 Research and Development in the Social Sciences and Humanities: $381,397

## Competition

- Competed Under SAP: 23 awards
- Full and Open Competition: 22 awards

## Solicitations won

- NRCS-New Mexico Cultural Resources Inventory and Recordation Services (12FPC326Q0037). https://abierto.us/opportunities/12fpc326q0037
- Tusayan and Williams Ranger Districts Heritage Survey Kaibab National Forest (127EAV26Q0063). https://abierto.us/opportunities/127eav26q0063
- Mud Springs Heritage Survey Cuba Ranger Station Santa Fe National Forest (127EAV26Q0052). https://abierto.us/opportunities/127eav26q0052
- Haunted Campaign Heritage Survey Tonto National Forest (127EAV26Q0057). https://abierto.us/opportunities/127eav26q0057
- Horse Wash Heritage Survey Prescott National Forest (127EAV26F0022), $126,115. https://abierto.us/opportunities/127eav26q0041
- NM BOSQUE DEL APACHE NWR - Class III Cultural Reso (RFQ1762988), $20,111. https://abierto.us/opportunities/rfq1762988
- Cultural Resources Inventory, Imperial NWR, Yuma, AZ (GSARFQ1756477), $19,273. https://abierto.us/opportunities/gsarfq1756477
- NGWSP REACHES 2 AND 3 SURVEY (RFQ1739303), $52,638. https://abierto.us/opportunities/rfq1739303

## Largest awards

- 127EAU24F0039 (delivery order): $450,348, Usda-Fs, Csa Southwest 4. Class III Cultural Resource Survey of 2,568 Mandatory Acres and 5,342 Optional Acres According to the Nhpa. Mandatory Base Units Conduct Intensive Pedestrian Cultural Resource Survey of the Identified 2,568 Mandatory Acres and Assess National Regi. https://www.usaspending.gov/award/CONT_AWD_127EAU24F0039_12C2_47QRAA19D0057_4732/
- 127EAU25F0024 (bpa call): $398,856, Usda-Fs, Csa Southwest 4. The Tusayan and Williams Ranger Districts on the Kaibab National Forest in Northern Arizona Require Mission-Essential Intensive Heritage Survey Across Up to 4,108 Acres. the Planned Project Areas Include Burn Blocks, Timber Sales, and Fuel Reduction. https://www.usaspending.gov/award/CONT_AWD_127EAU25F0024_12C2_12363N24A4120_12C2/
- 127EAV26F0028 (bpa call): $328,968, Usda-Fs, Csa Southwest 5. This 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.. https://www.usaspending.gov/award/CONT_AWD_127EAV26F0028_12C2_12363N24A4120_12C2/
- 127EAU23F0022 (delivery order): $255,000, Usda-Fs, Csa Southwest 4. Cont 0312 Orange Peal Fuel Break Heritage Plus Addition of Newly Available Funding to Complete Heritage Survey for the Project (The Remainder of Phase 1 and All of Phase 2).. https://www.usaspending.gov/award/CONT_AWD_127EAU23F0022_12C2_47QRAA19D0057_4732/
- 127EAU25F0034 (bpa call): $231,400, Usda-Fs, Csa Southwest 4. This (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. https://www.usaspending.gov/award/CONT_AWD_127EAU25F0034_12C2_12363N24A4120_12C2/
- 127EAV26F0044 (bpa call): $227,498, Usda-Fs, Csa Southwest 5. Conduct Intensive Pedestrian Cultural Resource Survey of the Identified 3,122 Acres to Assess the Projects Effects on Sites.. https://www.usaspending.gov/award/CONT_AWD_127EAV26F0044_12C2_12363N24A4120_12C2/
- 12970224F0027 (delivery order): $219,164, USDA Forest Service-Spoc SW. Work in the Survey Units Consists of Performing a Class III Cultural Resources Inventory of 4,400 Acres Within the Project Area (Map Exhibit 1). Other Contract Tasks Include Recording Isolated Occurrences and New Sites and Re-Recording Previously Rec. https://www.usaspending.gov/award/CONT_AWD_12970224F0027_12C2_12837120D0009_12C2/
- 127EAV26F0033 (bpa call): $211,108, Usda-Fs, Csa Southwest 5. Archaeological Survey of 4302 Acres for the Purpose of Re-Planting Within Fire Scars on the Payson and Pleasant Valley Ranger District of the Tnf.. https://www.usaspending.gov/award/CONT_AWD_127EAV26F0033_12C2_12363N24A4120_12C2/
- 127EAU25F0031 (bpa call): $210,000, Usda-Fs, Csa Southwest 4. 0301 Q2 Con WCS 02 Cowboy Barney HTG Surveys New Out Land Management Integrated Resources (Lmir) BPA NRE-3284 Doge Approved. https://www.usaspending.gov/award/CONT_AWD_127EAU25F0031_12C2_12363N24A4120_12C2/
- 140L6425F0027 (delivery order): $203,833, Arizona State Office. Cultural Resource Inventory. https://www.usaspending.gov/award/CONT_AWD_140L6425F0027_1422_47QRAA19D0057_4732/
- 127EAV26F0037 (bpa call): $179,260, Usda-Fs, Csa Southwest 5. 12363n24a4120/127eav26f0037 (1172678) Tusayan and Williams Ranger Districts Heritage Survey Kaibab National Forest. https://www.usaspending.gov/award/CONT_AWD_127EAV26F0037_12C2_12363N24A4120_12C2/
- 127EAU25F0039 (bpa call): $175,979, Usda-Fs, Csa Southwest 4. The North Kaibab Ranger District on the Kaibab National Forest in Northern Arizona Requires Mission-Essential Intensive Heritage Survey Across Up to 4,755 Acres. the Planned Project Areas Include Burn Blocks and Fuel Reduction Areas Allowing for More. https://www.usaspending.gov/award/CONT_AWD_127EAU25F0039_12C2_12363N24A4120_12C2/
- 127EAV26F0045 (bpa call): $174,448, Usda-Fs, Csa Southwest 5. 0301 Q4 Con WCS 06 RVFS Phase3 HTG Survey New Out. https://www.usaspending.gov/award/CONT_AWD_127EAV26F0045_12C2_12363N24A4120_12C2/
- 12FPC325F0032 (delivery order): $161,729, Fpac Bus Cntr-Acq Div-Western Sec. To Provide Intensive Pedestrian Cultural Resources Inventories for Nrcs-New Mexico (2025-08), Located in San Miguel, Mora and Union Counties. https://www.usaspending.gov/award/CONT_AWD_12FPC325F0032_12D0_47QRAA19D0057_4732/
- 127EAU25F0028 (bpa call): $161,091, Usda-Fs, Csa Southwest 4. 0301 Q4 Con WCS 06 Wallow West 7 HTG Survey New Out Land Management Integrated Resources (Lmir) BPA Wallow West Archeology NRE-2801 Doge Approved Req # 1153621. https://www.usaspending.gov/award/CONT_AWD_127EAU25F0028_12C2_12363N24A4120_12C2/
- 12FPC326P0059 (purchase order): $153,155, Fpac Bus Cntr-Acq Div-Western Sec. Cultural Resource Inventory and Recordation Services for Nrcs-New Mexico, 2026-01, According to Attached Statement of Work and Contract Terms and Conditions.. https://www.usaspending.gov/award/CONT_AWD_12FPC326P0059_12D0_-NONE-_-NONE-/
- 127EAU26C0008 (definitive contract): $137,233, Usda-Fs, Csa Southwest 4. Required Archaeological Survey of 2747 Acres Prior to Rodeo Chediski Replant Project on the Pleasant Valley Ranger District of the Tnf.. https://www.usaspending.gov/award/CONT_AWD_127EAU26C0008_12C2_-NONE-_-NONE-/
- 140L5726F0013 (bpa call): $132,555, Utah State Office. Data Cleanup and Data Entry for Archaeological Site Records Sevier, Paiute, and Juab Counties. https://www.usaspending.gov/award/CONT_AWD_140L5726F0013_1422_12363N24A4120_12C2/
- 140L6426F0003 (bpa call): $127,184, Arizona State Office. White Sage Fire Esr Cultural Inventory. https://www.usaspending.gov/award/CONT_AWD_140L6426F0003_1422_12363N24A4120_12C2/
- 127EAV26F0022 (bpa call): $126,115, Usda-Fs, Csa Southwest 5. 12363n24a4120/127eav26f0022 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. https://www.usaspending.gov/award/CONT_AWD_127EAV26F0022_12C2_12363N24A4120_12C2/
- 140L6424F0006 (delivery order): $121,733, Arizona State Office. Sink Valley Vegetation-Cultural Inventory. https://www.usaspending.gov/award/CONT_AWD_140L6424F0006_1422_47QRAA19D0057_4732/
- 140L6426F0006 (bpa call): $107,703, Arizona State Office. Cultural Inventory, Hidden Hills North. https://www.usaspending.gov/award/CONT_AWD_140L6426F0006_1422_12363N24A4120_12C2/
- 127EAU25F0009 (bpa call): $100,000, Usda-Fs, Csa Southwest 4. This Fixed Price Project Consists of Up to 2,125 Acres of Archaeological Inventory Within the North Kaibab Ranger District (Nkrd) of the Kaibab National Forest (Knf). This Contract Will Require the Production of One Report. All Archaeological Sites W. https://www.usaspending.gov/award/CONT_AWD_127EAU25F0009_12C2_12363N24A4120_12C2/
- 127EAV26F0041 (bpa call): $96,752, Usda-Fs, Csa Southwest 5. 12363n24a4120/127eav26f0041 (1170372) Mud Springs Heritage Survey Cuba Ranger Station Santa Fe National Forest. https://www.usaspending.gov/award/CONT_AWD_127EAV26F0041_12C2_12363N24A4120_12C2/
- 127EAV26F0047 (bpa call): $85,189, Usda-Fs, Csa Southwest 5. This Project Will Provide the Foundation of a Developing Interpretation Plan for Cultural Sites That Were Damaged or Destroyed During the Hermit'S Peak Calf Canyon (Hpcc) Fire on the Carson National Forest (Caf).. https://www.usaspending.gov/award/CONT_AWD_127EAV26F0047_12C2_12363N24A4120_12C2/
- 127EAU25F0037 (bpa call): $77,641, Usda-Fs, Csa Southwest 4. Land 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. https://www.usaspending.gov/award/CONT_AWD_127EAU25F0037_12C2_12363N24A4120_12C2/
- 127EAU24F0025 (delivery order): $73,071, Usda-Fs, Csa Southwest 4. Conduct Intensive Pedestrian Cultural Resource Survey of the Identified 919 Acres and Assess National Register Eligibility for All Sites Recorded in the Project Area. Please Assign Stephanie Laruffa as Contracting Officer. https://www.usaspending.gov/award/CONT_AWD_127EAU24F0025_12C2_47QRAA19D0057_4732/
- 127EAV26F0049 (bpa call): $71,116, Usda-Fs, Csa Southwest 5. 12363n24a4120/127eav26f0049 (1175096) North Kaibab Heritage Survey Kaibab National Forest. https://www.usaspending.gov/award/CONT_AWD_127EAV26F0049_12C2_12363N24A4120_12C2/
- 127EAV26F0035 (bpa call): $54,313, Usda-Fs, Csa Southwest 5. 12363n24a4120/127eav26f0035 (1172165) Haunted Campaign Heritage Surveys Tonto National Forest. https://www.usaspending.gov/award/CONT_AWD_127EAV26F0035_12C2_12363N24A4120_12C2/
- 140R4025F0025 (delivery order): $52,638, Upper Colorado Regional Office. NGWSP Reaches 2 and 3 Survey. https://www.usaspending.gov/award/CONT_AWD_140R4025F0025_1425_47QRAA19D0057_4732/
- 127EAU24P0062 (purchase order): $37,244, Usda-Fs, Csa Southwest 4. Conduct Intensive Pedestrian Cultural Resource Survey of the Identified 400 Acres to Assess the Project'S Effects on Sites. Please Assign to Stephanie Laruffa.. https://www.usaspending.gov/award/CONT_AWD_127EAU24P0062_12C2_-NONE-_-NONE-/
- 127EAU22F0029 (delivery order): $25,000, Usda-Fs, Csa Southwest 4. Mod to Add Funding to Bioarcheological Services to Verify Potential Human Remains Observed at Archaeological Sites.. https://www.usaspending.gov/award/CONT_AWD_127EAU22F0029_12C2_12837120D0009_12C2/
- 140L6425F0015 (delivery order): $24,521, Arizona State Office. Quail Springs Cultural Inventory. https://www.usaspending.gov/award/CONT_AWD_140L6425F0015_1422_47QRAA19D0057_4732/
- 140FS225F0133 (delivery order): $20,111, Fws, Sat Team 2. NM Bosque Del Apache NWR - Class III Cultural Resources Inventory. https://www.usaspending.gov/award/CONT_AWD_140FS225F0133_1448_47QRAA19D0057_4732/
- 140FS225F0105 (delivery order): $19,273, Fws, Sat Team 2. Cultural Resources Inventory, Imperial Nwr, Yuma, Az. https://www.usaspending.gov/award/CONT_AWD_140FS225F0105_1448_47QRAA19D0057_4732/
- 140L6425F0005 (delivery order): $210, Arizona State Office. Gcpnm-Hidden Hills North Cultural Inventory- 4,721 Acres. https://www.usaspending.gov/award/CONT_AWD_140L6425F0005_1422_47QRAA19D0057_4732/
- 140L6425F0006 (delivery order): $210, Arizona State Office. Class III Cultural Resource Inventory Within the Mcdonald Flat and Salt House East Project Areas, Grand Canyon-Parashant National Monument (1,821 Acres). https://www.usaspending.gov/award/CONT_AWD_140L6425F0006_1422_47QRAA19D0057_4732/
- 12363N23F4152 (delivery order): $0, Usda-Fs, Stewardship Contracting Branch. The Kaibab National Forest (Forest) Is Planning to Conduct Cultural Surveys on the Williams and Tusayan Ranger Districts. the Kaibab Is Planning a Series of Hazardous Fuels Reduction Projects Over the Next 5 Years on Both Ranger Districts as Part of. https://www.usaspending.gov/award/CONT_AWD_12363N23F4152_12C2_47QRAA19D0057_4732/
- 12363N23F4273 (delivery order): $0, Usda-Fs, Stewardship Contracting Branch. The 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. https://www.usaspending.gov/award/CONT_AWD_12363N23F4273_12C2_47QRAA19D0057_4732/
- 127EAU22F0025 (delivery order): $0, Usda-Fs, Csa Southwest 4. Extend Pop to 2/9/26 Acreage Change. https://www.usaspending.gov/award/CONT_AWD_127EAU22F0025_12C2_12837120D0009_12C2/
- 127EAU22F0036 (delivery order): $0, Usda-Fs, Csa Southwest 4. TMR Arch Survey Az State Parks Grant 6 Month Option to Extend Through 2/8/26. https://www.usaspending.gov/award/CONT_AWD_127EAU22F0036_12C2_12837120D0009_12C2/
- 127EAU22F0052 (delivery order): $0, Usda-Fs, Csa Southwest 4. 2022 Arizona Trail Archeological Survey Add Funding and Extend Pop to 8/9/25. https://www.usaspending.gov/award/CONT_AWD_127EAU22F0052_12C2_12837120D0009_12C2/
- 12970222F0018 (delivery order): $0, USDA Forest Service-Spoc SW. The Coconino National Forest Implemented Multiple Undertakings. the Section 106 Compliance Report for These Undertakings Stipulated Post Implementation Monitoring of Archaeological Sites to Assure That Avoidance And/Or Protection Measures Were Effect. https://www.usaspending.gov/award/CONT_AWD_12970222F0018_12C2_12837120D0009_12C2/
- 12363N24A4120: $0, Usda-Fs, Stewardship Contracting Branch. Land Management Integrated Resources (Lmir) BPA. https://www.usaspending.gov/award/CONT_IDV_12363N24A4120_12C2/
- 47QRAA19D0057: $0, Gsa/Fas/Pshc/Prof SRVCS Sched-Pss. Federal Supply Schedule Contract. https://www.usaspending.gov/award/CONT_IDV_47QRAA19D0057_4732/
- 140F0522F0056 (delivery order): -$1,678, Fws, Sat Team 1. OY1 Az Esfo Cultural Resources Survey Mod P00002. https://www.usaspending.gov/award/CONT_AWD_140F0522F0056_1448_47QRAA19D0057_4732/

---
Source: USAspending.gov award data, keyed by UEI. Obligations in the window only. Cite https://abierto.us/vendors/cornerstone-environmental-consulting-llc-lxyta3fnxng1.