TDG, INC. (VA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $31.12M
- $31,123,773under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 88
- with positive net obligations13 IDV vehicles held
- Latest action
- Jul 13, 2026
- SAM.gov registration
- Active
- Registration expiration date May 20, 2027
Registration
- Doing business as
- The Diallo Group
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Dec 12, 1985 (40 years)
- Location
- Alexandria, VA
- State of incorporation
- Virginia
- Purpose of registration
- All Awards
- Website
- thediallogrp.com
† 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 MMQ3DH41J2G9. 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
- FY2024: $190,502
- FY2023: $207,264
- FY2022: $243,515
- FY2021: $683,794
- FY2020: $814,684
- FY2019: $473,461
- FY2018: $1,232,883
- FY2017: $224,645
Show all 17 yearsEarlier years (FY2008–FY2016)
- FY2016: $2,500
- FY2015: $361,491
- FY2014: $891,167
- FY2013: $1,941,891
- FY2012: $3,557,421
- FY2011: $3,430,353
- FY2010: $2,291,339
- FY2009: $7,626,962
- FY2008: $6,949,899
Total across 17 fiscal years: $31,123,773
Top awarding agencies
- Department of Defense$18,237,147, 58.6%
- Department of Homeland Security$9,589,239, 30.8%
- General Services Administration$3,252,387, 10.4%
- Department of Commerce$45,000, 0.1%
Top awarding sub-agencies
- Department of the Navy$15,346,389, 49.3%
- Transportation Security Administration$9,589,239, 30.8%
- Public Buildings Service$3,252,387, 10.4%
- Department of the Army$1,939,913, 6.2%
- Department of the Air Force$950,845, 3.1%
Top NAICS by obligations
- 541310Architectural services$11,435,607, 36.7%
- 541511Custom computer programming services$9,609,239, 30.9%
- 541330Engineering services$3,835,301, 12.3%
- 541320Landscape architectural services$654,535, 2.1%
Top product and service codes by obligations
- C211A/e svcs. (incl landscaping interio$11,286,788, 36.3%
- D399Other adp & telecommunications svcs$8,804,325, 28.3%
- R498Patent and trademark services$2,563,532, 8.2%
- C214A&e management engineering services$2,076,047, 6.7%
- R408Support- professional: program management/support$1,484,910, 4.8%
Capabilities
NAICS codes
- 541320Landscape Architectural Services(primary)Small
- 541310Architectural ServicesSmall
- 541330Engineering Services
- 541350Building Inspection ServicesSmall
- 541370Surveying and Mapping (except Geophysical) ServicesSmall
- 541410Interior Design ServicesSmall
Show all 13 NAICS codes7 more NAICS codes
- 541511Custom Computer Programming ServicesSmall
- 541512Computer Systems Design ServicesSmall
- 541513Computer Facilities Management ServicesSmall
- 541611Administrative Management and General Management Consulting ServicesSmall
- 541620Environmental Consulting ServicesSmall
- 561210Facilities Support ServicesSmall
- 561499All Other Business Support ServicesSmall
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:
- Veteran-Owned Business
- Service-Disabled Veteran-Owned Business
Federal Capability Statement
Established in 1982, Onyx is a Small Business and is headquartered in Alexandria, Virginia with branch offices in Honolulu, HI and San Diego, CA. Onyx provides land, facilities and infrastructure planning, design, and geospatial information management worldwide. Personal attention, involvement of principals, and high quality deliverables reflect the commitment and responsiveness to our client’s needs which has been the hallmark of our practice. Onyx has a long history of providing planning, design and information management services to the Department of Defense, classified Agencies, and other Federal Agencies. Our multidisciplinary approach allows us to proactively respond to the clients increasingly comprehensive, complex and mission-oriented requirements. Our objective is to provide the right team, the right people, and the right experience along with the right mix of freshness, objectivity and innovation.
Capabilities & Services
Contracts
Latest awards and orders
- 47PD0221F0039Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationPublic Buildings ServiceLatest action
- FA448424C0009Definitive contractDepartment of DefenseDepartment of the Air ForceLatest action
- W912BV19D0006Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the ArmyLatest action
- 47PD0121F0017Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationPublic Buildings ServiceLatest action
- 47PD0119F0052Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationPublic Buildings ServiceLatest action
- 47PD0221F0011Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationPublic Buildings ServiceLatest action
- 47PD0120F0011Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationPublic Buildings ServiceLatest action
- W912BV20F0109Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- 47PD0118F0028Delivery orderunder an indefinite delivery contract (IDC)General Services AdministrationPublic Buildings ServiceLatest action
- GS03P16DXD7014Indefinite delivery contract (IDC)VehicleGeneral Services AdministrationPublic Buildings ServiceLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for TDG, INC. 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
100 N Pitt St Ste 402
Alexandria, VA, 22314
USA
Mailing Address
100 N Pitt St Ste 402
Alexandria, VA, 22314
USA
Government Business Contact
Theresha Diallo
owner/Principal
100 N. Pitt St. Suite 402
Alexandria, VA, 22314
USA
Electronic Business Contact
Theresha Diallo
Principal
100 N. Pitt St.
402
Alexandria, VA, 22314
USA
Past Performance Contact
Mary Burr
admin
100 N. Pitt St. Suite 402
Alexandria, VA, 22314
USA
Government Business Alternate Contact
Theresha Diallo
Principal
100 N. Pitt St.
402
Alexandria, VA, 22314
USA
Electronic Business Alternate Contact
Theresha Diallo
Principal
100 N. Pitt St.
402
Alexandria, VA, 22314
USA
Past Performance Alternate Contact
Mary Burr
admin
100 N. Pitt st. Suite 402
Alexandria, VA, 22314
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
TDG, INC. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires May 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
Registered for disaster relief contracting
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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