UNDERGROUND SERVICE ALERT OF SOUTHERN CALIFORNIA (CA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2012
- $31.77K
- $31,769under this UEI
- FY2026 obligations
- $5.61K†
- $5,609Provisional
- Awards and orders
- 6
- with positive net obligations
- Latest action
- Jul 22, 2026
- SAM.gov registration
- Active
- Registration expiration date Jul 20, 2027
Registration
- Doing business as
- DigAlert
- Entity structure
- Corporate Entity (Tax Exempt)
- Business start date
- Sep 13, 1976 (50 years)
- Location
- Corona, CA
- State of incorporation
- California
- Purpose of registration
- All Awards
- Website
- digalert.org
† FY2026 obligations (provisional; DoD awards signed after Jul 25, 2026 are not yet public).
Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 25, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI ZAYFUGKRGLJ8. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2012. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2026: $5,609 (provisional)
- FY2025: $3,184
- FY2024: $2,500
- FY2023: $1,726
- FY2022: $2,500
- FY2021: $2,500
- FY2015: -$6,098 (de-obligation)
- FY2014: $5,348
Show all 10 yearsEarlier years (FY2012–FY2013)
- FY2013: $8,000
- FY2012: $6,500
Total across 10 fiscal years: $31,769
Net de-obligation in that fiscal year (obligations withdrawn).
Top awarding agencies
- Department of Defense$31,769, 100%
Top awarding sub-agencies
- Department of the Navy$31,769, 100%
Top NAICS by obligations
- 238910Site preparation contractors$18,019, 56.7%
- 519190All other information services$13,750, 43.3%
Top product and service codes by obligations
- H999Other qc/test/inspect- miscellaneous$18,019, 56.7%
- F999Other environmental services$10,819, 34.1%
- R426Support- professional: communications$2,000, 6.3%
- R499Support- professional: other$932, 2.9%
Capabilities
NAICS codes
SBA certifications
No certification in the SBA profile data.
Contracts
Latest awards and orders
- N0024426P0052Purchase orderDepartment of DefenseDepartment of the NavyLatest action
- N0024420P0399Purchase orderDepartment of DefenseDepartment of the NavyLatest action
- N0024414P0703PoDepartment of DefenseDepartment of the NavyLatest action
- N0024413P0775PoDepartment of DefenseDepartment of the NavyLatest action
- N0024412P1114PoDepartment of DefenseDepartment of the NavyLatest action
- N0024412P0012PoDepartment of DefenseDepartment of the NavyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for UNDERGROUND SERVICE ALERT OF SOUTHERN CALIFORNIA lists a physical address and a separate mailing address, along with 4 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
1379 PICO ST STE 101
CORONA, CA, 92881
USA
Mailing Address
PO BOX 77070
CORONA, CA, 92877
USA
Government Business Contact
ANN DIAMOND
President
PO BOX 77070
CORONA, CA, 92877
USA
Electronic Business Contact
ANN DIAMOND
President
PO BOX 77070
CORONA, CA, 92877
USA
Government Business Alternate Contact
Jim Schwilk
Vice President
PO BOX 77070
CORONA, CA, 92877
USA
Electronic Business Alternate Contact
Jim Schwilk
Vice President
PO BOX 77070
CORONA, CA, 92877
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
UNDERGROUND SERVICE ALERT OF SOUTHERN CALIFORNIA has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires July 20, 2027.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Not registered for disaster relief
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
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