Federal contractor profile
UEI MLNCFB6KLDE1CAGE 1ECR0Company website ↗
MARTIN OTTAWAY VAN HEMMEN & DOLAN, INC. is associated with UEI MLNCFB6KLDE1 and CAGE 1ECR0 in public federal records. AcornBids currently links 9 prime awards totaling $465.0K in obligations to this entity. Its largest recorded federal customer by obligations is Department of Justice. Its recorded federal awards include work classified as Engineering Services; All Other Legal Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541330 (Engineering Services). Its public SAM.gov registration lists TINTON FALLS, NJ, USA.
Detailed agency totals are not available in this stored profile.
Largest positive coded-agency total ÷ all positive coded-agency totals × 100
Missing data is shown as unavailable.
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Sep 28, 2026. Refresh pending; these totals may be out of date.
Public SAM.gov registration details.
Net transaction obligations by federal fiscal period.
Transaction history is not available in the loaded data. Annual funding is not estimated from current award totals.
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| 15JC1V26P00000246EXPERT WITNESS SERVICES | Department of Justice | $15.7K | Feb 27, 2026 | Jun 17, 2026 |
| 15JC1V25P00000542EXPERT WITNESS SERVICES | Department of Justice | $42.9K | Jun 27, 2025 | Dec 31, 2027 |
| 15JC1V26P00000427EXPERT WITNESS SERVICES | Department of Justice | $51.4K | May 28, 2026 | Dec 31, 2028 |
| 15JENR21P00000164EXPERT WITNESS | Department of Justice | $110.4K | Apr 29, 2021 | Feb 1, 2029 |
| 15JENR23P00000018EXPERT WITNESS SERVICES | Department of Justice | $51.3K | Dec 8, 2022 | Apr 30, 2025 |
| 15JENR19P00000238EXPERT WITNESS | Department of Justice | $104.7K | May 3, 2019 | Apr 30, 2023 |
| 15JENR19P00000379EXPERT WITNESS | Department of Justice | $59.1K | Sep 6, 2019 | Apr 30, 2022 |
| 15JC1V23P00000549EXPERT WITNESS SERVICES | Department of Justice | $29.6K | Jul 12, 2023 | Dec 31, 2024 |
| 15JENR21P00000262EXPERT WITNESS | Department of Justice | $0 | Aug 17, 2021 | Apr 30, 2024 |
Modeled recompete windows are estimates, not announced solicitations or guarantees.
| Registration evidence | Date |
|---|---|
| SAM updated | Dec 12, 2025 |
| Source loaded | Sep 26, 2026 |
| Initial registration | May 8, 2000 |
| Entity start | Oct 4, 1995 |
| Industry | Reported size status |
|---|---|
| 541330 — Engineering Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| DAVID J. TANTRUM | Government business | Contact method not published | SAM registration | Not available |
| HENDRIK VAN HEMMEN | Alternate government business | Contact method not published | SAM registration | Not available |
| DAVID J TANTRUM | Electronic business | Contact method not published | SAM registration | Not available |
| HENDRIK VAN HEMMEN | Alternate electronic business | Contact method not published | SAM registration | Not available |
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
Explore the customer, work and award-size evidence behind each match.
Recorded award industries: 541330 — Engineering Services; 541199 — All Other Legal Services.
Recorded products and services: R424 — Expert Witness.
Examples from recent award records:
These records describe federal award work, not every company capability. Review the award evidence.
620 SHREWSBURY AVE, TINTON FALLS, New Jersey 07701, United States
Registered location from SAM.gov; award performance locations may differ.
541330 — Engineering Services.
Primary SAM.gov NAICS classification.
Department of Justice.
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.
No official subaward rows are loaded, so Acorn does not claim known teaming relationships.
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