Un Chong
- Agency
-
Department of the Army Department of Defense
- un.k.chong.ln@army.mil
- Phone
- +82503553359
- Latest SAM.gov record
Contact facts
- Offices
- 6
- SAM.gov notices
- 13
- Contract awards and IDVs
- 114 113 awards, 1 IDV, as contracting staff
- Top vendors
-
- Sup-A Co., LTD. 16 awards and IDVs · $409K in award value
- Nambu Service Co., LTD. 16 awards and IDVs · $177K in award value
- 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 13
Contract awards and IDVs
| Award | Awarded | Obligated |
|---|---|---|
| NTV part BPA | $37,411 | |
| General cargo BPA | $40,817 | |
| NVT part BPA | $16,086 | |
| NTV part BPA | $23,286 | |
| NVT part BPA | $23,303 | |
| General cargo BPA | $9,237 | |
| General cargo BPA | $21,265 | |
| VA-300000343076, repair existing ERU units P-6120 usag humphreys. | $1,080,385 | |
| 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 |
Show 15 more
Latest 25 of 114 listed here. See the rest on GovTribe.
Top vendors
| Rank | Vendor | Awards and IDVs | Award value |
|---|---|---|---|
| 1 | Sup-A Co., LTD. | 16 | $409K |
| 2 | Nambu Service Co., LTD. | 16 | $177K |
| 3 | Taejin Motors Corp | 16 | $178K |
| 4 | Impac Supply & Service CO. LTD | 16 | $534K |
| 5 | Hanjin Logistics Corporation | 15 | $178K |
| 6 | Dongwon Loex Co., LTD. | 10 | $172K |
| 7 | Korea Container Pool Co.,Ltd | 8 | $145K |
| 8 | Dongwon Construction Industries Co., LTD. | 4 | $68.5M |
| 9 | Sindaeyang Motors CO. LTD. | 3 | $613K |
| 10 | Yeajin E&C Co.,Ltd. | 3 | $2.95M |
Award value adds up the base and exercised options recorded for the contract awards naming them. IDVs carry no value of their own.
Top NAICS codes
| Rank | NAICS code | SAM.gov records |
|---|---|---|
| 1 | 336390 Other Motor Vehicle Parts Manufacturing | 64 |
| 2 | 484110 General Freight Trucking, Local | 33 |
| 3 | 811111 General Automotive Repair | 4 |
| 4 | 811490 Other Personal and Household Goods Repair and Maintenance | 4 |
| 5 | 236220 Commercial and Institutional Building Construction | 3 |
| 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 | 562991 Septic Tank and Related Services | 2 |
| 10 | 238290 Other Building Equipment Contractors | 1 |
Top PSC codes
Offices
| Rank | Office | SAM.gov records |
|---|---|---|
| 1 | Army Sustainment Command (AMC) | 90 |
| 2 | Army Contracting Command (AMC) | 13 |
| 3 | Pacific Region (IMCOM) | 10 |
| 4 | Army Pacific Command | 10 |
| 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 13 SAM.gov notices and contracting staff on 113 contract awards and 1 IDV, from February 20, 2025 to October 28, 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 +82503553359.
What is the latest SAM.gov notice naming Un Chong?
War Reserve Material (WRM) Equipment Maintenance Service, pre-solicitation, posted October 28, 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. Un Chong's contract awards to Sup-A Co., LTD. add up to $409K in base and exercised options.
On GovTribe
See Un Chong's full record
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