SITE WORK SOLUTIONS (CA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2011
- $28.70M
- $28,695,190under this UEI
- FY2026 obligations
- $1.51M†
- $1,512,827Provisional
- Awards and orders
- 66
- with positive net obligations5 IDV vehicles held
- Latest action
- Oct 8, 2026
- SAM.gov registration
- Active
- Registration expiration date Jan 2, 2027
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Mar 11, 2005 (21 years)
- Location
- Redding, CA
- State of incorporation
- California
- Website
- swsgc.com
† FY2026 obligations (provisional; DoD awards signed after Jul 29, 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 29, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI VHKDK4PLJ1F9. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2011. 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: $1,512,827 (provisional)
- FY2025: $1,030,849
- FY2024: $3,433,026
- FY2023: $3,823,389
- FY2022: $2,948,299
- FY2018: -$54,633 (de-obligation)
- FY2017: $292,174
- FY2016: $1,888,052
Show all 13 yearsEarlier years (FY2011–FY2015)
- FY2015: $4,636,277
- FY2014: $3,758,388
- FY2013: $1,716,798
- FY2012: $2,956,600
- FY2011: $753,144
Total across 13 fiscal years: $28,695,190
Net de-obligation in that fiscal year (obligations withdrawn).
Top awarding agencies
- Department of Energy$10,352,335, 36.1%
- Department of the Interior$9,692,034, 33.8%
- Department of Defense$4,429,422, 15.4%
- General Services Administration$3,743,662, 13.0%
- Department of Homeland Security$305,576, 1.1%
Top awarding sub-agencies
- Department of Energy$10,352,335, 36.1%
- National Park Service$7,287,871, 25.4%
- Public Buildings Service$3,743,662, 13.0%
- Department of the Army$3,407,831, 11.9%
- Bureau of Reclamation$1,402,495, 4.9%
Top NAICS by obligations
- 237110Water and sewer line and related structures construction$10,633,705, 37.1%
- 236220Commercial and institutional building construction$3,564,338, 12.4%
- 237310Highway, street, and bridge construction$3,411,950, 11.9%
- 238990All other specialty trade contractors$3,123,709, 10.9%
- 238910Site preparation contractors$2,383,308, 8.3%
Top product and service codes by obligations
- Y1NDConstruction of sewage and waste facilities$5,048,859, 17.6%
- Z2AARepair or alteration of office buildings$3,812,353, 13.3%
- 5660Fencing, fences, gates and components$3,010,481, 10.5%
- Z1NEMaintenance of water supply facilities$2,740,949, 9.6%
- Y1LBConstruction of highways, roads, streets, bridges, and railways$2,546,788, 8.9%
Capabilities
NAICS codes
- 237310Highway, Street, and Bridge Construction(primary)Small
- 221310Water Supply and Irrigation SystemsSmall
- 221320Sewage Treatment FacilitiesSmall
- 236210Industrial Building ConstructionSmall
- 237110Water and Sewer Line and Related Structures ConstructionSmall
- 237120Oil and Gas Pipeline and Related Structures ConstructionSmall
Show all 25 NAICS codes19 more NAICS codes
- 237130Power and Communication Line and Related Structures ConstructionSmall
- 237210Land SubdivisionSmall
- 238110Poured Concrete Foundation and Structure ContractorsSmall
- 238120Structural Steel and Precast Concrete ContractorsSmall
- 238130Framing ContractorsSmall
- 238140Masonry ContractorsSmall
- 238160Roofing ContractorsSmall
- 238190Other Foundation, Structure, and Building Exterior ContractorsSmall
- 238210Electrical Contractors and Other Wiring Installation ContractorsSmall
- 238220Plumbing, Heating, and Air-Conditioning ContractorsSmall
- 238910Site Preparation ContractorsSmall
- 238990E
- 327390Other Concrete Product ManufacturingSmall
- 561499All Other Business Support ServicesSmall
- 562112Hazardous Waste CollectionSmall
- 562219Other Nonhazardous Waste Treatment and DisposalSmall
- 562910E
- 562991Septic Tank and Related ServicesSmall
- 562998All Other Miscellaneous Waste Management ServicesSmall
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
- SBA Certified HUBZone Firm
Business types self-reported in SAM.gov registration:
- Indian Economic Enterprise
- Indian Small Business Economic Enterprise
- Minority-Owned Business
- Self Certified Small Disadvantaged Business
- DOT Certified DBE
- Native American Owned
- American Indian Owned
Product and service codes (PSC)
- P500Salvage Services
- S111Utilities and Housekeeping
- S112Utilities and Housekeeping
- S114Utilities and Housekeeping
- S206Utilities and Housekeeping
- S208Utilities and Housekeeping
- X1CZLease or Rental of Facilities
- X1DZLease or Rental of Facilities
- X1EALease or Rental of Facilities
- X1EBLease or Rental of Facilities
Federal Capability Statement
Site Work Solutions Heavy Civil General Engineering & Building/Const.Excavation,grading,paving,structural&decorative concrete,buildings,hazardous material, specialty.JOC,SABER,MATOC,IDIQ,BOA
Capabilities & Services
Contracts
Latest awards and orders
- 89503326FWA400214Delivery orderunder an indefinite delivery contract (IDC)Department of EnergyLatest action
- 89503325FWA400199Delivery orderunder an indefinite delivery contract (IDC)Department of EnergyLatest action
- 89503326FWA400250Delivery orderunder an indefinite delivery contract (IDC)Department of EnergyLatest action
- 89503326FWA400236Delivery orderunder an indefinite delivery contract (IDC)Department of EnergyLatest action
- 89503326FWA400234Delivery orderunder an indefinite delivery contract (IDC)Department of EnergyLatest action
- 89503326FWA400235Delivery orderunder an indefinite delivery contract (IDC)Department of EnergyLatest action
- 89503325DWA000004Indefinite delivery contract (IDC)VehicleDepartment of EnergyLatest action
- 140FGA26C0022Definitive contractDepartment of the InteriorU.S. Fish and Wildlife ServiceLatest action
- 89503326FWA400221Delivery orderunder an indefinite delivery contract (IDC)Department of EnergyLatest action
- 89503325FWA400207Delivery orderunder an indefinite delivery contract (IDC)Department of EnergyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for SITE WORK SOLUTIONS lists a physical address and a separate mailing address, along with 6 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
2437 RADIO LN
REDDING, CA, 96001
USA
Mailing Address
PO BOX 492247
REDDING, CA, 96049
USA
Government Business Contact
GEORGE D WHITMER
PRESIDENT
PO BOX 492247
REDDING, CA, 96049
USA
Electronic Business Contact
GEORGE D WHITMER
PRESIDENT/CFO
PO BOX 492247
REDDING, CA, 96049
USA
Past Performance Contact
SHELLY K WOESTHOFF
OFFICE MANAGER
PO BOX 492247
REDDING, CA, 96049
USA
Government Business Alternate Contact
GEORGE D WHITMER
VICE PRESIDENT
PO BOX 492247
REDDING, CA, 96049
USA
Electronic Business Alternate Contact
SHELLY K WOESTHOFF
OFFICE MANAGER
PO BOX 492247
REDDING, CA, 96049
USA
Past Performance Alternate Contact
0002 238990YY ~562910YY N
0001
XX
0001
E&Y
Additional Details
As of . Source: SAM.gov Entity Registration.
SITE WORK SOLUTIONS has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires January 2, 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
Registered for disaster relief contracting — Nationwide
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
Other contractors in California with primary NAICS 237310
- Granite Construction CompanyWatsonville, CA
- Desilva Gates Construction LLCDublin, CA
- Coffman Specialties, Inc.San Diego, CA
- Department of Transportation CaliforniaSacramento, CA
- VSS International IncWest Sacramento, CA
- Dambacher Construction Inc.Clovis, CA