Joseph Mafnas
Contracting Officer Guam National Guard (ARNG)
- Phone
- (671) 344-1150
- Latest SAM.gov record
Contact facts
- Offices
- 4
- SAM.gov notices
- 15
- Contract awards and IDVs
- 71 63 awards, 8 IDVs, as contracting staff
- First SAM.gov record
Notices come from SAM.gov and awards from FPDS, which names the staff who created, approved or last changed an award without saying which.
SAM.gov notices
Show all 15
Contract awards and IDVs
Show 15 more
Latest 25 of 71 listed here. See the rest on GovTribe.
Top vendors
| Rank | Vendor | Awards and IDVs |
|---|---|---|
| 1 | Sentry Hospitality Corporation | 11 |
| 2 | Emergency Response Training Institution LLC | 5 |
| 3 | Lunar Holdings LLC | 4 |
| 4 | KNS Culinary Group LLC | 4 |
| 5 | Sterling Computers Corporation | 4 |
| 6 | Todo Mauleg | 4 |
| 7 | ROY Group International LLC | 3 |
| 8 | Inland Builders Corporation | 3 |
| 9 | Capitol Food Group Inc. | 3 |
| 10 | Docomo Pacific, Inc. | 3 |
Top NAICS codes
| Rank | NAICS code | SAM.gov records |
|---|---|---|
| 1 | 722320 Caterers | 19 |
| 2 | 721110 Hotels (except Casino Hotels) and Motels | 13 |
| 3 | 541990 All Other Professional, Scientific, and Technical Services | 12 |
| 4 | 334111 Electronic Computer Manufacturing | 9 |
| 5 | 562991 Septic Tank and Related Services | 7 |
| 6 | 517112 Wireless Telecommunications Carriers (except Satellite) | 4 |
| 7 | 621111 Offices of Physicians (except Mental Health Specialists) | 3 |
| 8 | 236220 Commercial and Institutional Building Construction | 2 |
| 9 | 561110 Office Administrative Services | 2 |
| 10 | 323113 Commercial Screen Printing | 1 |
Top PSC codes
| Rank | PSC code | SAM.gov records |
|---|---|---|
| 1 | S203 Housekeeping- Food | 19 |
| 2 | R410 Support- Professional: Program Evaluation/Review/Development | 10 |
| 3 | V231 Transportation/Travel/Relocation- Travel/Lodging/Recruitment: Lodging, Hotel/Motel | 10 |
| 4 | W085 Lease Or Rental Of Equipment- Toiletries | 7 |
| 5 | 7E20 IT and Telecom - End User: Help Desk;Tier 1-2,Workspace,Print,Output,Productivity Tools (HW/Perp SW) | 6 |
| 6 | Q999 Medical- Other | 5 |
| 7 | DE11 It And Telecom - Mobile Device As A Service | 3 |
| 8 | 5830 Intercommunication And Public Address Systems, Except Airborne | 2 |
| 9 | Q802 Clerical Medical Support | 2 |
| 10 | R699 Support- Administrative: Other | 2 |
Offices
| Rank | Office | SAM.gov records |
|---|---|---|
| 1 | Guam National Guard (ARNG) | 67 |
| 2 | Army National Guard | 15 |
| 3 | Department of the Army | 3 |
| 4 | Air Force | 1 |
Other records
| Record | Kind |
|---|---|
| Solicitation - W50S7R26QA004.pdf | Government file |
| Combined Synopsis_Solicitation_W50S7R26QA004_GUANG Split AC Units.pdf | Government file |
Quick answers
Who is Joseph Mafnas?
Joseph Mafnas is a Contracting Officer at Guam National Guard (Army National Guard). Point of contact on 15 SAM.gov notices and contracting staff on 63 contract awards and 8 IDVs, from June 7, 2023 to September 17, 2026.
What agency does Joseph Mafnas work for?
Joseph Mafnas's SAM.gov records name Guam National Guard (Army National Guard) most, among 4 offices.
How do I contact Joseph Mafnas?
SAM.gov lists Joseph Mafnas's email joseph.s.mafnas.civ@army.mil and phone (671) 344-1150.
What is the latest SAM.gov notice naming Joseph Mafnas?
Guang split a/c units, solicitation, posted September 17, 2026.
Which vendors has Joseph Mafnas awarded contracts to?
The vendors on the most contract awards and IDVs naming Joseph Mafnas are Sentry Hospitality Corporation, Emergency Response Training Institution LLC and Lunar Holdings LLC.
On GovTribe
See Joseph Mafnas's full record
- Every notice, award and file that names them
- Their buying profile: what they buy and from whom
- Export contacts at this office
- Ask GovTribe AI about this contact