| | WASHITA BATTLEFIELD NATIONAL HISTORIC SITE, REPLACE HVAC UNIT | HINZ REFRIGERATION, INC. | $11,710 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | N041INSTALLATION OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT | Aug 11, 2022 | Aug 11, 2022 | Sep 2, 2022 |
| | WASHITA BATTLEFIELD NATIONAL HISTORICAL PARK REPLACE HEAT EXCHANGER | HINZ REFRIGERATION, INC. | $9,804 | NATIONAL PARK SERVICE | NATIONAL PARK SERVICE | — | 333415Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | E1NBPURCHASE OF HEATING AND COOLING PLANTS | Jun 23, 2021 | Jun 23, 2021 | Aug 23, 2021 |
| | IGF::OT::IGF HVAC SERVICES FOR THE CLINTON INDIAN HEALTH CENTER. | HINZ REFRIGERATION, INC. | $6,215 | INDIAN HEALTH SERVICE | INDIAN HEALTH SERVICE | — | 333415Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | J041MAINT/REPAIR/REBUILD OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT | Jul 23, 2014 | Jul 23, 2014 | Jun 30, 2015 |
| | IGF::OT::IGF | HINZ REFRIGERATION, INC. | $14,140 | INDIAN HEALTH SERVICE | INDIAN HEALTH SERVICE | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | 4120AIR CONDITIONING EQUIPMENT | Sep 12, 2013 | Sep 12, 2013 | Oct 14, 2013 |
| | IGF::OT::IGF | HINZ REFRIGERATION, INC. | $8,352 | INDIAN HEALTH SERVICE | INDIAN HEALTH SERVICE | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | J041MAINT/REPAIR/REBUILD OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT | Apr 9, 2013 | Apr 9, 2013 | Mar 31, 2014 |
| | HINZ REFRIGERATION JULY AUGUST SEPTEMBER 2012 | HINZ REFRIGERATION, INC. | $650 | INDIAN HEALTH SERVICE | INDIAN HEALTH SERVICE | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | J045MAINT/REPAIR/REBUILD OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | Jun 28, 2012 | Jun 28, 2012 | Aug 10, 2012 |
| | HINZ REFRIGERATION APRIL MAY JUNE | HINZ REFRIGERATION, INC. | $2,100 | INDIAN HEALTH SERVICE | INDIAN HEALTH SERVICE | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | J045MAINT/REPAIR/REBUILD OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | Apr 6, 2012 | Apr 6, 2012 | May 31, 2012 |
| | HINZ REFRIGERATION | HINZ REFRIGERATION, INC. | $0 | INDIAN HEALTH SERVICE | INDIAN HEALTH SERVICE | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | J045MAINT/REPAIR/REBUILD OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | Jan 30, 2012 | Jan 30, 2012 | Feb 29, 2012 |
| | HINZ REFRIGERATION | HINZ REFRIGERATION, INC. | $650 | INDIAN HEALTH SERVICE | INDIAN HEALTH SERVICE | — | 238220Plumbing, Heating, and Air-Conditioning Contractors | J045MAINT/REPAIR/REBUILD OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT | Nov 9, 2011 | Nov 9, 2011 | Dec 9, 2011 |