Overview
Prime contract obligationsObligation: money the government has legally committed to a contract. It is not the same as money paid. Example: $6M obligated of a $10M ceiling. Glossary, FY2021–FY2025
4 of 4 registrations
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Click a state to open its page.
- Arizona$3.12M · 71%
- Colorado$1.02M · 23%
- Pennsylvania$176K · 4.0%
- North Carolina$61.4K · 1.4%
- Maryland$38.4K · 0.9%
Insight 71% was performed in Arizona
The latest fiscal year is reported so far (hatched)
Hover over a year to see its value.
Insight $500K in FY2025, 18% below FY2021
Largest company groups by prime obligations, FY2021–FY2025
Structure
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Structure of MSHC, Inc.: company groups and registrations by prime obligations, FY2021–FY2025
4 registrationsRegistration: a company's record for doing federal work. One company can hold several (one per location); we count registrations until they are merged. Glossary in 4 company groupsCompany group: the registrations in a parent company's family that share one legal name, such as one company's sites in different cities. Glossary; open them in the contractor directory (opens another page)
| Organization | Level | Location | Status | Prime obligations | Awards, all years |
|---|---|---|---|---|---|
| MSHC, Inc. | Parent company | $3,069,579 | 89 | ||
| Tolin Mechanical Systems Company, LLC (opens another page) | Registration | Denver, CO | Active | $1,517,511 | 41 |
| MSHC, Inc. | Registration | $1,337,516 | 13 | ||
| Huckestein Mechanical Services LLC (opens another page) | Registration | Pittsburgh, PA | Active | $176,176 | 28 |
| Nac Mechanical Services, LLC (opens another page) | Registration | Gaithersburg, MD | Active | $38,377 | 7 |
Contracts
Contracts of MSHC, Inc.'s registrations, latest action first
Use this to find a contract of any registration in the family; filter by registration, company group, sub-agency or status.
Showing 1–10 of 92 contracts
| Since award, US$ | |||||
|---|---|---|---|---|---|
| 47QSMS24D008M | Tolin Mechanical Systems Company, LLC | Federal Acquisition Service | $0 | Sep 1, 2026 | |
| 140R6021P0020 | Tolin Mechanical Systems Company, LLC | Bureau of Reclamation | $50,683 | Aug 26, 2026 | Jul 31, 2026 |
| 140R6026C0004 | Tolin Mechanical Systems Company, LLC | Bureau of Reclamation | $17,944 | Jul 6, 2026 | Jul 31, 2027 |
| 75H71225P00109 | Tolin Mechanical Systems Company, LLC | Indian Health Service | $526,597 | Apr 30, 2026 | Nov 30, 2026 |
| 140G0221P0291 | Tolin Mechanical Systems Company, LLC | U.S. Geological Survey | $502,171 | Feb 17, 2026 | Nov 30, 2026 |
| 6982AF26P000006 | Tolin Mechanical Systems Company, LLC | Federal Highway Administration | $11,306 | Feb 11, 2026 | Apr 10, 2026 |
| 70CMSD25P00000082 | Nac Mechanical Services, LLC | U.S. Immigration and Customs Enforcement | $29,000 | Feb 3, 2026 | Sep 29, 2026 |
| 140G0225P0114 | Tolin Mechanical Systems Company, LLC | U.S. Geological Survey | $142,000 | Sep 24, 2025 | Sep 30, 2026 |
| 140FC225P0043 | Nac Mechanical Services, LLC | U.S. Fish and Wildlife Service | $3,000 | Apr 28, 2025 | Jun 30, 2025 |
| 75H71224P00172 | Tolin Mechanical Systems Company, LLC | Indian Health Service | $238,578 | Jul 9, 2024 | Jan 9, 2025 |
Agencies
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Insight Indian Health Service paid 70%
Sub-agencies by prime obligations to MSHC, Inc., FY2021–FY2025
Use this to see which sub-agencies pay the family's registrations; open one to see its offices.
8 sub-agencies paid the family
Showing 1–8 of 8 sub-agencies
| FY2021–FY2025, US$ | FY2021–FY2025 | ||
|---|---|---|---|
| Indian Health Service | $2,156,806 | 10 | |
| U.S. Geological Survey | Department of the Interior | $588,151 | 8 |
| Department of the Army | $98,850 | 1 | |
| Department of Veterans Affairs | $77,326 | 2 | |
| Federal Prison System / Bureau of Prisons | Department of Justice | $61,414 | 1 |
| Bureau of Reclamation | Department of the Interior | $48,656 | 6 |
| U.S. Immigration and Customs Enforcement | Department of Homeland Security | $29,000 | 1 |
| U.S. Fish and Wildlife Service | Department of the Interior | $9,377 | 2 |
Industries
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Insight 74% under NAICS 238220
Industries by prime obligations, FY2021–FY2025
Use this to see what the family's registrations sell; open a code to see who else wins it.
Showing 1–4 of 4 industry codes
| FY2021–FY2025, US$ | FY2021–FY2025 | |
|---|---|---|
| 238220 Plumbing, Heating, and Air-Conditioning Contractors | $2,257,046 | 24 |
| 561210 Facilities Support Services | $642,106 | 5 |
| 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | $98,850 | 1 |
| 541380 Testing Laboratories and Services | $71,577 | 1 |
Places
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- Arizona$3.12M · 71%
- Colorado$1.02M · 23%
- Pennsylvania$176K · 4.0%
- North Carolina$61.4K · 1.4%
- Maryland$38.4K · 0.9%
Insight 71% was performed in Arizona
States of performance by prime obligations since award, contracts active FY2021 on
Use this to see where the family's contract work is performed; open a state to see its contractors.
Showing 1–5 of 5 states
| Contracts active since FY2021; since award, US$ | ||
|---|---|---|
| Arizona | $3,115,753 | 6 |
| Colorado | $1,018,482 | 7 |
| Pennsylvania | $176,176 | 3 |
| North Carolina | $61,414 | 1 |
| Maryland | $38,377 | 3 |