Contractor profile
TERRAPHASE ENGINEERING INC
Active registration
UEIMFB8MBN4FX54
CAGE code65XN1
Primary NAICS541620
LocationOAKLAND, CA, 94612
Federal obligations$424,457
Prime awards7
Active awards2
Latest award actionSep 1, 2026
Federal award activity
Public award recordTop federal customers
- Department of Transportation1 awards$288,519
- Department of Agriculture4 awards$112,820
- Department of Health and Human Services1 awards$23,118
- General Services Administration1 awards$0
NAICS award mix
- 5416203 awards$311,637
- 5629103 awards$111,820
- 5413301 awards$1,000
PSC award mix
- F1031 awards$288,519
- F1072 awards$96,321
- B5331 awards$23,118
- B5101 awards$15,499
- C2191 awards$1,000
- F9991 awards$0
Contract vehicles
- 1240BE24A00152 awards$111,820
- 47QRAA22D006X1 awards$23,118
Potential recompetes
- Department of Transportation$288,519
- Department of Health and Human Services$23,118
Prime award history
| Award | Agency / office | Category | Value | Dates |
|---|---|---|---|---|
| 6991PE21P000011ENVIRONMENTAL CONSULTING SERVICES | Department of Transportation6991PE DOT MARITIME ADMIN | NAICS 541620PSC F103 | $288,519 | Jun 2, 2021 – Dec 5, 2026 |
| 75H70124F80002SULWHANON WELL HYDROGEOLOGICAL CONSULTING SERVICES | Department of Health and Human ServicesDIV OF ENGINEERING SVCS - SEATTLE | NAICS 541620PSC B533 | $23,118 | Aug 29, 2024 – Dec 15, 2026 |
| 1240BE24A0015R6/R10 HAZMAT BPA SETUP | Department of AgricultureUSDA-FS, CSA NORTHWEST 3 | NAICS 562910PSC F107 | $0 | Jun 10, 2024 – Not stated |
| 47QRAA22D006XFEDERAL SUPPLY SCHEDULE CONTRACT | General Services AdministrationGSA/FAS/PSHC/PROF SRVCS SCHED-PSS | NAICS 541620PSC F999 | $0 | Mar 17, 2022 – Not stated |
| 1240BH25D0024PPS NWZ ARCHITECTURE AND ENGINEERING (AE) IDIQ | Department of AgricultureUSDA-FS, CSA NORTHWEST 6 | NAICS 541330PSC C219 | $1,000 | Sep 22, 2025 – Not stated |
| 1240BF25F0044ESA SERVICES FOR 20 MILE AND 18 MILE LOCATIONS ON THE CHUGACH NATIONAL FOREST | Department of AgricultureUSDA-FS, CSA NORTHWEST 4 | NAICS 562910PSC B510 | $15,499 | Aug 18, 2025 – Oct 31, 2025 |
| 1240BD24F0080R-6 (PACIFIC NORTHWEST), ENGINEERING, CERCLA ACTIVITY UPPER GRANITE CREEK WATERSHED MINES, INTEGRATED EECA AP # 675872 | Department of AgricultureUSDA-FS, CSA NORTHWEST 2 | NAICS 562910PSC F107 | $96,321 | Jul 19, 2024 – Aug 1, 2025 |
Award links and obligation totals come from USAspending.gov public records.
Industries and classifications
Public points of contact
WILLIAM CARSONGovernment business
CHRISTINE SCHUMANNAlternate government business
JEFF RAINESVICE PRESIDENTElectronic business
WILLIAM CARSONAlternate electronic business
Names and titles are reproduced from the public registration. FedRoster does not guess or enrich personal contact details.