Federal contractor · SPARTA, WI
MULTISTACK LLC
MULTISTACK LLC received $1.1M in federal contract obligations in FY2026, on 29 awards (−14% vs FY2025). Since FY2017: $10M. Its largest customer was Department of State ($1.1M).
- Obligations · FY2026
- $1.1M
- New awards
- 29
- Sole-source
- 37%
- Single offer
- 11%
- UEI
- GYLDKFE322G5
- Parent company
- MULTISTACK, LLC
Spending by fiscal year
Obligations per federal fiscal year (October–September).
- 1.2MFY2017
- 1MFY2018
- 780.4KFY2019
- 656.1KFY2020
- 957.5KFY2021
- 894.9KFY2022
- 866.9KFY2023
- 1.3MFY2024
- 1.2MFY2025
- 1.1MFY2026
Top buying agencies
Obligations in FY2026.
- Department of State$1.1M100%29 awards
What was bought · Where the work was performed
Obligations in FY2026.
What was bought
- Equipment maintenance$484.5K45%
- Construction & real property$244.7K23%
- Other equipment & supplies$238.7K22%
- Professional services$101.5K9.5%
Where the work was performed
- Abroad$954.2K89%
- Monroe County, WI$100.4K9.4%
- Sussex County, NJ$14.8K1.4%
Integrity signals
Shares of the year's obligations, next to the country's.
- Low competition48%US 39% · $517K
- Sole-source awards37%US 30% · $396.3K
- Single-offer competitions11%US 8.8% · $120.7K
- Urgency justifications0.0%US 5.1% · $0
A signal is a reason to look closer, not evidence of wrongdoing: most sole-source awards are lawful and justified.
Agencies awarding it sole-source contracts
- Department of State$396.3KDepartment of State · 6 awards
Largest awards
- PM SERVICES$295.8K
- Department of State· Monroe County, WI· Other equipment & supplies· Apr 22, 2024 – Apr 9, 2026· 19PK3324P1536
- Department of State· Monroe County, WI· Other equipment & supplies· Apr 27, 2026 – Apr 27, 2026· 19GY2026P0187
Subawards
Matched by Unique Entity ID: the first-tier subawards this organization reported as a prime recipient, and those primes reported paying it.
As a prime: who it pays · FY2026
No subawards reported as a prime in FY2026.
As a sub-recipient: who pays it · FY2026
- Sub-contracts: $714.6K (1 subaward)
1 prime
- B.L. HARBERT INTERNATIONAL, L.L.C.$714.6K100%BIRMINGHAM, AL · 1 subaward
By fiscal year
- FY2021: $0 paid out · $617.3K received
- FY2024: $0 paid out · $878.6K received
- FY2025: $0 paid out · $579.3K received
- FY2026: $0 paid out · $714.6K received
Primes report first-tier subawards of $30,000 or more themselves, and many go unreported (GAO-24-106214). Reporting moved from FSRS to SAM.gov in March 2025 and fewer sub-contracts have been reported since. Amounts are what primes reported; they are never added to prime award totals.
Source: Subawards (first-tier sub-contracts and sub-grants reported under FFATA) (U.S. Department of the Treasury, USAspending.gov (reports filed in SAM.gov, formerly FSRS)), data current to Oct 3, 2026, loaded Oct 3, 2026 · Subawards loaded from FY2021.
Teaming partners
Companies this company reported paying, primes that reported paying it, from FFATA subaward reports.
Companies it pays
No subawards reported to other companies.
Primes that pay it
4 companies · $2.8M reported
- BIRMINGHAM, AL · 5 subawards · Nonresidential building construction
- ANCHORAGE, AK · 1 subaward · Nonresidential building construction
- AMENTUM SERVICES, INC.$279.7KCHANTILLY, VA · 2 subawards · Facilities support services
Showing the top 3 of each list. Open the profile for potential partners and the full lists.
Primes report first-tier subawards of $30,000 or more themselves, and many go unreported (GAO-24-106214). Reporting moved from FSRS to SAM.gov in March 2025 and fewer sub-contracts have been reported since. Amounts are what primes reported; they are never added to prime award totals.
Source: Subawards (first-tier sub-contracts and sub-grants reported under FFATA) (U.S. Department of the Treasury, USAspending.gov (reports filed in SAM.gov, formerly FSRS)), data current to Oct 3, 2026, loaded Oct 3, 2026 · Subawards loaded from 2021.
Competitors
Companies that win from the same buyers in the same markets: obligations by agency and industry compared over the last three fiscal years.
Compared on 19 markets (agency × industry), FY2024–FY2026.
- GLOBAL SERVICE TITAN LLC$2.1M−54% in FY2026AUBURN, GA · 46% of this company's obligations are in markets they both serveState · Ventilation, heating, air-conditioning, and refrigeration equipment manufacturingState · Building equipment contractorsState · Commercial and industrial machinery and equipment repair and maintenance+4 more
- C.E D.IMPIANTI SOCIETA A RESPONSABILITA LIMITATA$1.5M+295% in FY2026ROMA, ITA · 29% of this company's obligations are in markets they both serveState · Building equipment contractorsState · Ventilation, heating, air-conditioning, and refrigeration equipment manufacturing
- RENOVAIR GENIE CLIMATIQUE$924K+32% in FY2026CHATILLON, FRA · 23% of this company's obligations are in markets they both serveState · Building equipment contractors
Showing the top 3 of 25 competitors. Open the profile for the full list.
Who sells to the same buyers in the same markets, not who wins against whom on a given contract. Prime contract obligations by the agency and NAICS code of each award; subawards are never added. A company is a family of legal entities, joined by parent UEI or, in part, by an AI reading of names.
Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 3, 2026, loaded Oct 3, 2026 · FY2024–FY2026.
Source: Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov), data current to Oct 3, 2026, loaded Oct 3, 2026.