Un Chong
- un.k.chong.ln@army.mil
- Phone
- +82503355359
- Latest SAM.gov record
Contact facts
- Offices
- 6
- SAM.gov notices
- 12
- Contract awards and IDVs
- 106 105 awards, 1 IDV, 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 12
Contract awards and IDVs
| Award | Awarded | Obligated |
|---|---|---|
| Replace HPU compressor and components, bldg # 12203 | $4,768 | |
| General cargo BPA | $2,195 | |
| VA-300000322903, repair 6 ahus and 2 chillers, s-555 | $937,194 | |
| VA-300000322903, repair 6 ahus and 2 chillers, s-555 | $0 | |
| ITM of mechanical equipment | $17,602 | |
| Replace HPU compressors and components | $4,762 | |
| Inspection, repair and maintenance of elevators and escalators at usag humphreys | $31,030 | |
| General cargo BPA | $30,495 | |
| NTV part BPA | $39,720 | |
| NTV part BPA | $16,308 | |
| General cargo BPA | $15,668 | |
| General caro BPA | $46,310 | |
| NTV part BPA | $33,679 | |
| NTV part BPA | $4,357 | |
| Funding clin 1007 | $2,114 | |
| Replace FCU pipe in bldg 572 | $27,888 | |
| Repaint bldg# 6701 (54 bed rooms + 27 kitchens + 1F~8F hallways) | $49,312 | |
| NTV part BPA | $33,606 | |
| General cargo BPA | $16,256 | |
| General cargo BPA | $1,566 | |
| NTV part BPA | $30,473 | |
| NTV part BPA | $10,688 | |
| General cargo BPA | $4,402 | |
| NTV part BPA | $6,337 | |
| Fire truck inspection and maintenance service | $258,139 |
Show 15 more
Latest 25 of 106 listed here. See the rest on GovTribe.
Top vendors
| Rank | Vendor | Awards and IDVs |
|---|---|---|
| 1 | Sup-A Co., LTD. | 15 |
| 2 | Nambu Service Co., LTD. | 15 |
| 3 | Taejin Motors Corp | 15 |
| 4 | Impac Supply & Service CO. LTD | 15 |
| 5 | Hanjin Logistics Corporation | 14 |
| 6 | Dongwon Loex Co., LTD. | 9 |
| 7 | Korea Container Pool Co.,Ltd | 8 |
| 8 | Dongwon Construction Industries Co., LTD. | 4 |
| 9 | Sindaeyang Motors CO. LTD. | 3 |
| 10 | Yeajin E&C Co.,Ltd. | 2 |
Top NAICS codes
| Rank | NAICS code | SAM.gov records |
|---|---|---|
| 1 | 336390 Other Motor Vehicle Parts Manufacturing | 60 |
| 2 | 484110 General Freight Trucking, Local | 31 |
| 3 | 811111 General Automotive Repair | 4 |
| 4 | 811490 Other Personal and Household Goods Repair and Maintenance | 4 |
| 5 | 236220 Commercial and Institutional Building Construction | 2 |
| 6 | 237120 Oil and Gas Pipeline and Related Structures Construction | 2 |
| 7 | 238220 Plumbing, Heating, and Air-Conditioning Contractors | 2 |
| 8 | 561612 Security Guards and Patrol Services | 2 |
| 9 | 238290 Other Building Equipment Contractors | 1 |
| 10 | 238390 Other Building Finishing Contractors | 1 |
Top PSC codes
| Rank | PSC code | SAM.gov records |
|---|---|---|
| 1 | 2310 Passenger Motor Vehicles | 86 |
| 2 | V112 Transportation/Travel/Relocation- Transportation: Motor Freight | 7 |
| 3 | J042 Maint/Repair/Rebuild Of Equip- Fire Fighting/Rescue/Safety Equip; Environ Protect Equip/Matls | 4 |
| 4 | S216 Housekeeping- Facilities Operations Support | 4 |
| 5 | Z2NB Repair Or Alteration Of Heating And Cooling Plants | 3 |
| 6 | S206 Housekeeping- Guard | 2 |
| 7 | Z1JZ Maintenance Of Miscellaneous Buildings | 2 |
| 8 | 2510 Vehicular Cab, Body, And Frame Structural Components | 1 |
| 9 | 7F20 It And Telecom - It Management Tools/Products (Hardware And Perpetual License Software) | 1 |
| 10 | H999 Other Qc/Test/Inspect- Miscellaneous | 1 |
Offices
| Rank | Office | SAM.gov records |
|---|---|---|
| 1 | Army Sustainment Command (AMC) | 83 |
| 2 | Army Contracting Command (AMC) | 12 |
| 3 | Army Pacific Command | 10 |
| 4 | Pacific Region (IMCOM) | 9 |
| 5 | Department of the Army | 3 |
| 6 | Defense Health Agency | 1 |
Quick answers
Who is Un Chong?
Un Chong is a federal contracting contact at Army Sustainment Command (Army Materiel Command). Point of contact on 12 SAM.gov notices and contracting staff on 105 contract awards and 1 IDV, from February 20, 2025 to August 18, 2026.
What agency does Un Chong work for?
Un Chong's SAM.gov records name Army Sustainment Command (Army Materiel Command) most, among 6 offices.
How do I contact Un Chong?
SAM.gov lists Un Chong's email un.k.chong.ln@army.mil and phone +82503355359.
What is the latest SAM.gov notice naming Un Chong?
Repair fuel pipe system for fuel tank, B, C, D and A for B-3028, USAG. Humphreys, solicitation, posted August 6, 2026.
Which vendors has Un Chong awarded contracts to?
The vendors on the most contract awards and IDVs naming Un Chong are Sup-A Co., LTD., Nambu Service Co., LTD. and Taejin Motors Corp.
On GovTribe
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