ATAC (CA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $347.58M
- $347,576,653under this UEI
- FY2026 obligations
- $21.11M†
- $21,108,569Provisional
- Awards and orders
- 375
- with positive net obligations12 IDV vehicles held
- Latest action
- Sep 29, 2026
- SAM.gov registration
- Active
- Registration expiration date Nov 5, 2026
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Jul 1, 1979 (47 years)
- Location
- Santa Clara, CA
- State of incorporation
- California
- Purpose of registration
- All Awards
- Website
- atac.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 DCYJEYKZNYX5. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2008. 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: $21,108,569 (provisional)
- FY2025: $21,895,777
- FY2024: $19,972,118
- FY2023: $23,611,081
- FY2022: $21,613,252
- FY2021: $22,820,005
- FY2020: $19,835,673
- FY2019: $22,020,477
Show all 19 yearsEarlier years (FY2008–FY2018)
- FY2018: $20,126,840
- FY2017: $20,646,019
- FY2016: $23,382,791
- FY2015: $14,121,696
- FY2014: $17,925,032
- FY2013: $16,729,450
- FY2012: $16,010,852
- FY2011: $16,034,428
- FY2010: $11,023,385
- FY2009: $9,877,722
- FY2008: $8,821,486
Total across 19 fiscal years: $347,576,653
Top awarding agencies
- Department of Transportation$323,743,222, 93.1%
- National Aeronautics and Space Administration$15,812,921, 4.5%
- Department of Defense$8,020,510, 2.3%
Top awarding sub-agencies
- Federal Aviation Administration$323,167,341, 93.0%
- National Aeronautics and Space Administration$15,812,921, 4.5%
- Department of the Navy$7,314,357, 2.1%
- Immediate Office of the Secretary of Transportation$575,881, 0.2%
- Department of the Army$566,176, 0.2%
Top NAICS by obligations
- 541330Engineering services$128,818,087, 37.1%
- 541511Custom computer programming services$57,499,091, 16.5%
- 541512Computer systems design services$52,150,934, 15.0%
Top product and service codes by obligations
- R425Support- professional: engineering/technical$128,484,431, 37.0%
- AD26R&d- defense other: services (management/support)$78,472,128, 22.6%
- R499Other professional services$59,622,969, 17.2%
- R408Support- professional: program management/support$51,724,552, 14.9%
- AR11R&d- space: aeronautics/space technology (basic research)$7,528,067, 2.2%
Capabilities
NAICS codes
- 541512Computer Systems Design Services(primary)
- 541511Custom Computer Programming Services
- 541611Administrative Management and General Management Consulting Services
- 541715Guided Missiles and Space Vehicles, Their Propulsion Units and Propulsion PartsSmall
- 488190Other Support Activities for Air Transportation
- 541519Information Technology Value Added ResellersSmall
Show all 8 NAICS codes2 more NAICS codes
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
No certification in the SBA profile data.
Business types self-reported in SAM.gov registration:
- Not Applicable
Federal Capability Statement
ATAC Corporation is a software and services company that specializes in providing the aviation community with state-of-the-art computer simulation, modeling and analysis tools, and with expert services in air traffic systems and operations design and analysis. We are committed to making major contributions to the aviation industry by providing high quality products and services to meet critical analytical needs. Since its founding in 1979, ATAC has been providing expert professional services to clients in both the private and public sectors. ATAC's services include: • development and application of computer models, simulations, decision aids, and analysis tools • expert consulting in air traffic operations • advanced systems research and development • studies and analyses in a variety of areas, including airport and airspace operations design and analysis, advanced technology evaluation, cost-benefit analysis, and environmental impact assessment.
Capabilities & Services
Contracts
Latest awards and orders
- 693KA925F00079Delivery orderunder an indefinite delivery contract (IDC)Department of TransportationFederal Aviation AdministrationLatest action
- 693KA824F00054Delivery orderunder an indefinite delivery contract (IDC)Department of TransportationFederal Aviation AdministrationLatest action
- 692M1523F00178Delivery orderunder an indefinite delivery contract (IDC)Department of TransportationFederal Aviation AdministrationLatest action
- 693KA925F00068BPA callunder a blanket purchase agreement (BPA)Department of TransportationFederal Aviation AdministrationLatest action
- 693KA924F00140Delivery orderunder an indefinite delivery contract (IDC)Department of TransportationFederal Aviation AdministrationLatest action
- 693KA924F00125Delivery orderunder an indefinite delivery contract (IDC)Department of TransportationFederal Aviation AdministrationLatest action
- 693KA926F00006Delivery orderunder an indefinite delivery contract (IDC)Department of TransportationFederal Aviation AdministrationLatest action
- 693KA823F00212Delivery orderunder an indefinite delivery contract (IDC)Department of TransportationFederal Aviation AdministrationLatest action
- 693KA825C00021Definitive contractDepartment of TransportationFederal Aviation AdministrationLatest action
- 693KA824F00282Delivery orderunder an indefinite delivery contract (IDC)Department of TransportationFederal Aviation AdministrationLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for ATAC 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
2770 DE LA CRUZ BLVD
SANTA CLARA, CA, 95050
USA
Mailing Address
2770 DE LA CRUZ BLVD
SANTA CLARA, CA, 95050
USA
Government Business Contact
Steve C Scheimreif
VP & CFO
2770 De La Cruz Blvd
Santa Clara, CA, 95050
USA
Electronic Business Contact
Scott P Simcox
CEO
2770 De La Cruz Blvd
Santa Clara, CA, 95050
USA
Past Performance Contact
SCOTT P SIMCOX
CEO
2770 De La Cruz Blvd.
Santa Clara, CA, 95050
USA
Government Business Alternate Contact
SCOTT P SIMCOX
2770 De La Cruz Blvd.
Santa Clara, CA, 95050
USA
Electronic Business Alternate Contact
Steve C Scheimreif
VP & CFO
2770 De La Cruz Blvd.
Santa Clara, CA, 95050
USA
Past Performance Alternate Contact
Steve C Scheimreif
VP & CFO
2770 De La Cruz Blvd
Santa Clara, CA, 95050
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
ATAC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires November 5, 2026.
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
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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