Overview
- Legal name
- TDG, INC.
- Also known as
- THE DIALLO GROUP
- Registered location
- ALEXANDRIA, VA, USA
- Website
- Company website ↗
- Primary NAICS
- 541320 — Landscape Architectural Services
- Latest award activity
- Jul 13, 2026
Read company summary
TDG, INC. is associated with UEI MMQ3DH41J2G9 and CAGE 9Z001 in public federal records. AcornBids currently links 2 prime awards totaling $489.5K in obligations to this entity. Its largest recorded federal customer by obligations is General Services Administration. Its recorded federal awards include work classified as Architectural Services; Engineering Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541320 (Landscape Architectural Services). Its public SAM.gov registration lists ALEXANDRIA, VA, USA.
At a glance
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 20, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- TDG, INC.
- Doing business as
- THE DIALLO GROUP
- UEI
- MMQ3DH41J2G9
- CAGE
- 9Z001
- Registered address
- 100 N PITT ST STE 402, ALEXANDRIA, VA, 22314, USA
- Registration status
- Active
- Primary NAICS
- 541320 — Landscape Architectural Services
- SAM activation
- Jun 3, 2026
- Initial registration
- Jul 11, 2001
- Entity start
- Dec 12, 1985
- SAM updated
- Jun 3, 2026
- Registration expires
- May 20, 2027
- Fiscal year end
- Sep 30
- Place of incorporation
- VA, USA
Research brief
Source facts
- Loaded prime-award records link 2 awards and $489,505 in reported obligations to this legal entity. Source
- Recorded awards include Architectural Services (NAICS 541310); this classification is not proof of every company capability. Source
- An example award describes: FEDERAL PROTECTIVE SERVICES LEASE FIT-OUT RENOVATION PROJECT, WILLIAM S. MOORHEAD FEDERAL BUILDING, PITTSBURG PA. THIS TASK ORDER IS FOR THE FULL DESIGN TO RENOVATE THE EXISTING OFFICE SPACE. Source
Federal award analysis
Net transaction obligations by federal fiscal period.
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Histories follow awards currently assigned to this recipient and may include transactions under an earlier recipient. Coverage: 2 of 2 selected awards. Select a period to explore its awards.
Funding change
Dated, valued transaction obligations in equal-length adjacent periods; missing records are unknown. Default: last completed federal fiscal year. Percentage is unavailable when the prior period has no positive reported obligations.
| Measure | Reported value |
|---|---|
| Current period | Oct 1, 2025 – Sep 30, 2026 |
| Current obligations | $0 |
| Prior period | Oct 1, 2024 – Sep 30, 2025 |
| Prior obligations | $0 |
| Change | $0 |
| Growth | Not comparable |
Where the work is performed
State tile map; darker tiles have larger absolute net obligations. Outlined tiles indicate net deobligations. Unshaded tiles have no reported transactions in this selection. Other locations appear in the table.
Agencies
| Category | Period obligations | Awards |
|---|---|---|
| General Services Administration | $308.9K | 1 |
| Department of Defense | $180.6K | 1 |
Offices
| Category | Period obligations | Awards |
|---|---|---|
| PBS R3 ACQ MGMT DIV SOUTH | $308.9K | 1 |
| FA4484 87 CONS PK | $180.6K | 1 |
Naics
| Category | Period obligations | Awards |
|---|---|---|
| 541310 — Architectural Services | $308.9K | 1 |
| 541330 — Engineering Services | $180.6K | 1 |
Psc
| Category | Period obligations | Awards |
|---|---|---|
| C211 — Architect - Engineer Services (including landscaping, interior layout, and designing) | $489.5K | 2 |
Vehicles
| Category | Period obligations | Awards |
|---|---|---|
| GS03P16DXD7014 | $308.9K | 1 |
| Unclassified | $180.6K | 1 |
Set Asides
| Category | Period obligations | Awards |
|---|---|---|
| Unclassified | $308.9K | 1 |
| NO SET ASIDE USED. | $180.6K | 1 |
Recent federal awards
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| 47PD0221F0039FEDERAL PROTECTIVE SERVICES LEASE FIT-OUT RENOVATION PROJECT, WILLIAM S. MOORHEAD FEDERAL BUILDING, PITTSBURG PA. THIS TASK ORDER IS FOR THE FULL DESIGN TO RENOVATE THE EXISTING… | General Services Administration | $308.9K | Apr 5, 2021 | Sep 28, 2026 |
| FA448424C0009ARCHITECT AND ENGINEERING- B1730E REPAIR EAST WING FOR MPC | Department of Defense | $180.6K | Jul 1, 2024 | Jun 30, 2026 |
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Jun 3, 2026 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Jul 11, 2001 |
| Entity start | Dec 12, 1985 |
Registration classifications: Veteran Owned Business, Service Disabled Veteran Owned Business, Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 541310 — Architectural Services | Not reported |
| 541320 — Landscape Architectural Services | Not reported |
| 541330 — Engineering Services | Not reported |
| 541350 — Building Inspection Services | Not reported |
| 541370 — Surveying and Mapping (except Geophysical) Services | Not reported |
| 541410 — Interior Design Services | Not reported |
| 541511 — Custom Computer Programming Services | Not reported |
| 541512 — Computer Systems Design Services | Not reported |
| 541513 — Computer Facilities Management Services | Not reported |
| 541611 — Administrative Management and General Management Consulting Services | Not reported |
| 541620 — Environmental Consulting Services | Not reported |
| 561210 — Facilities Support Services | Not reported |
| 561499 — All Other Business Support Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| THERESHA DIALLO | Government business | Contact method not published | SAM registration | Not available |
| THERESHA DIALLO | Alternate government business | Contact method not published | SAM registration | Not available |
| THERESHA DIALLO | Electronic business | Contact method not published | SAM registration | Not available |
| THERESHA DIALLO | Alternate electronic business | Contact method not published | SAM registration | Not available |
| Published business contact | Published business phone | 703-894-1934 | Source | Sep 9, 2026 |
Registered industries
- 541310 — Architectural Services
- 541320 — Landscape Architectural Services
- 541330 — Engineering Services
- 541350 — Building Inspection Services
- 541370 — Surveying and Mapping (except Geophysical) Services
- 541410 — Interior Design Services
- 541511 — Custom Computer Programming Services
- 541512 — Computer Systems Design Services
- 541513 — Computer Facilities Management Services
- 541611 — Administrative Management and General Management Consulting Services
- 541620 — Environmental Consulting Services
- 561210 — Facilities Support Services
- 561499 — All Other Business Support Services
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
Teaming relationships
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
| Relationship | Reported parties | Dates | Evidence |
|---|---|---|---|
| mentor protege | MMQ3DH41J2G9 (protege) / Woolpert Inc. | Jun 28, 2021 – Not available | SBA active mentor-protégé list |
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Data coverage and methodology
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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