| | NPK CO.,LTD. | KANTO PLAINS MINI MACC | IDC | $49,000,000 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 236220Commercial and Institutional Building Construction | Z2JZREPAIR OR ALTERATION OF MISCELLANEOUS BUILDINGS | Mar 4, 2025 | Mar 4, 2025 | Mar 4, 2030 |
| | NPK CO.,LTD. | — | IDC | $990,000,000 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 236220Commercial and Institutional Building Construction | Z1AAMAINTENANCE OF OFFICE BUILDINGS | May 15, 2020 | May 15, 2020 | — |
| | NPK CO.,LTD. | — | IDC | $40,158,021 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 236220Commercial and Institutional Building Construction | Z2JZREPAIR OR ALTERATION OF MISCELLANEOUS BUILDINGS | Sep 16, 2019 | Sep 16, 2019 | Sep 15, 2025 |
| | NPK CO.,LTD. | — | IDC | $45,000,000 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 236220Commercial and Institutional Building Construction | Z2JZREPAIR OR ALTERATION OF MISCELLANEOUS BUILDINGS | Sep 30, 2015 | Sep 30, 2015 | — |
| | NPK CO.,LTD. | IGF::CT::IGF PROJECT NO. A-14-126
MULTIPLE AWARD CONSTRUCTION CONTRACT (MACC),
U.S. ARMY INSTALLATIONS WITHIN HONSHU, JAPAN | IDC | $72,000,000 | DEPT OF THE AIR FORCE | DEPT OF THE ARMY | — | 236210Industrial Building Construction | Z1AAMAINTENANCE OF OFFICE BUILDINGS | Aug 11, 2015 | Aug 11, 2015 | Aug 10, 2020 |
| | NPK CO.,LTD. | IGF::CT::IGF
MULTIPLE AWARD CONSTRUCTION CONTRACT (MACC), AIR FORCE INSTALLATION, YOKOTA AIR BASE AND OFF-BASE SITES, JAPAN | IDC | $83,250,083 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 236220Commercial and Institutional Building Construction | Z1AAMAINTENANCE OF OFFICE BUILDINGS | Jul 10, 2015 | Jul 10, 2015 | Jul 9, 2020 |
| | NPK CO.,LTD. | IGF::OT::IGF, BASE YEAR FOR IDIQ MACC | IDC | $45,000,000 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 236220Commercial and Institutional Building Construction | Z2JZREPAIR OR ALTERATION OF MISCELLANEOUS BUILDINGS | Aug 7, 2014 | Aug 7, 2014 | Aug 6, 2019 |
| | NPK CO.,LTD. | — | IDC | $3,129,688 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | S119UTILITIES- OTHER | Mar 24, 2014 | Apr 1, 2014 | — |
| | NPK CO.,LTD. | — | IDC | $2,956,528 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 561210Facilities Support Services | S216HOUSEKEEPING- FACILITIES OPERATIONS SUPPORT | Dec 23, 2013 | Jan 1, 2014 | — |
| | NPK CO.,LTD. | — | IDC | $78,468,530 | DEPT OF THE AIR FORCE | DEPT OF THE ARMY | — | 236210Industrial Building Construction | Z111 | Jul 19, 2011 | Jul 19, 2011 | Jun 30, 2016 |
| | NPK CO.,LTD. | — | IDC | $45,000,000 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 921190Other General Government Support | Z299 | Feb 28, 2010 | Mar 1, 2010 | May 31, 2014 |
| | NPK CO.,LTD. | — | IDC | $76,923,077 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 238190Other Foundation, Structure, and Building Exterior Contractors | Y152 | Jun 18, 2009 | Jun 19, 2009 | — |
| | NPK CO.,LTD. | — | IDC | $4,353,531 | DEPT OF THE NAVY | — | — | 333415Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | S216HOUSEKEEPING- FACILITIES OPERATIONS SUPPORT | Mar 30, 2009 | Apr 1, 2009 | — |
| | NPK CO.,LTD. | — | IDC | $1,532,799 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 561210Facilities Support Services | S216HOUSEKEEPING- FACILITIES OPERATIONS SUPPORT | Dec 17, 2008 | Dec 18, 2007 | — |
| | NPK CO.,LTD. | — | IDC | $19,917 | DEPT OF THE NAVY | — | — | 561210Facilities Support Services | S216HOUSEKEEPING- FACILITIES OPERATIONS SUPPORT | Jun 25, 2008 | Jun 27, 2008 | — |
| | NPK CO.,LTD. | — | IDC | $0 | DEPT OF THE AIR FORCE | DEPT OF THE AIR FORCE | — | 236210Industrial Building Construction | Z111 | May 2, 2008 | May 2, 2008 | — |
| | NPK CO.,LTD. | CONSTRUCTION EQUIPMENT RENTAL IDIQ | IDC | $60,643 | DEPT OF THE NAVY | — | — | 561210Facilities Support Services | S216HOUSEKEEPING- FACILITIES OPERATIONS SUPPORT | Mar 24, 2008 | Mar 25, 2008 | Apr 23, 2009 |
| | NPK CO.,LTD. | IDIQ PORTION | IDC | $53,036 | DEPT OF THE NAVY | — | — | 561210Facilities Support Services | S216HOUSEKEEPING- FACILITIES OPERATIONS SUPPORT | Aug 3, 2007 | Aug 2, 2007 | Aug 31, 2007 |
| | NPK CO.,LTD. | INDUSTRIAL BUILDING CONSTRUCTION | IDC | $5,500,000 | DEPT OF THE NAVY | — | — | 236210Industrial Building Construction | 5680MISCELLANEOUS CONSTRUCTION MATERIALS | Apr 29, 2007 | May 1, 2007 | Apr 30, 2017 |
| | NPK CO.,LTD. | MINI-MACC | IDC | $25,154,457 | DEPT OF THE NAVY | — | — | 238190Other Foundation, Structure, and Building Exterior Contractors | Y199 | Jan 31, 2007 | Jan 31, 2007 | Jan 30, 2008 |
| | NPK CO.,LTD. | MAINTENCNAE DOORS | IDC | $1,251,889 | DEPT OF THE NAVY | — | — | 561210Facilities Support Services | S216HOUSEKEEPING- FACILITIES OPERATIONS SUPPORT | Sep 28, 2006 | Oct 1, 2006 | — |
| | NPK CO.,LTD. | MIGRATED DATA VALUE UNKNOWN | IDC | $0 | DEPT OF THE NAVY | — | — | 561210Facilities Support Services | Z299 | Oct 1, 2005 | Oct 1, 2005 | Dec 17, 2005 |
| | NPK CO.,LTD. | MIGRATED DATA VALUE UNKNOWN | IDC | $0 | DEPT OF THE NAVY | — | — | 561210Facilities Support Services | W038LEASE OR RENTAL OF EQUIPMENT- CONSTRUCTION, MINING, EXCAVATING, AND HIGHWAY MAINTENANCE EQUIPMENT | Oct 1, 2005 | Oct 1, 2005 | Jan 12, 2006 |
| | NPK CO.,LTD. | MIGRATED DATA VALUE UNKNOWN | IDC | $0 | DEPT OF THE NAVY | — | — | 561210Facilities Support Services | Z299 | Oct 1, 2005 | Oct 1, 2005 | Feb 9, 2006 |
| | NPK CO.,LTD. | CLEANING, MAINTENANCE, & REPAIR SERVICE | IDC | $783,017 | DEPT OF THE NAVY | — | — | 561210Facilities Support Services | S216HOUSEKEEPING- FACILITIES OPERATIONS SUPPORT | Sep 23, 2005 | Oct 1, 2005 | Sep 30, 2010 |