Top 26 Contractors in PSC C1BZ: Architect and Engineering – Construction: Other Airfield Structures, Jul 2025–Jun 2026
Parent companies by net contract obligations Jul 1, 2025 – Jun 30, 2026 Code page on GovTribe
The top 10 won 89% of PSC C1BZ contract dollars from July 2025 through June 2026
Ranking facts
- Contract obligations
- $255,887,280 Net of deobligations, by contracts coded PSC C1BZ
- Contractors
- 28 Parent companies with an obligation
- Largest contractor
- Parsons Corporation $231 million, 81.9% of obligations
- Data as of
Contract actions from FPDS (SAM.gov). How the rankings work · Download all 26 rows as CSV
Full ranking
| Rank | Contractor | Net obligations | Share | Trend |
|---|---|---|---|---|
| 1 | $231,346,357 | |||
| 2 | $5,683,565 | |||
| 3 |
Jacobs Government Services Company
|
$3,466,642 | ||
| 4 |
Hdr, Inc.
Top agencies
|
$2,683,191 | ||
| 5 |
Citrine-Olsson JV LLC
Top agencies
|
$2,243,018 | ||
| 6 | $1,265,667 | |||
| 7 |
Benham - Mead & Hunt
Top agencies
|
$1,242,697 | ||
| 8 | $1,149,344 | |||
| 9 |
Ch2M Hill - HDR JV
Top agencies
|
$859,818 | ||
| 10 |
Westeast Design Group, LLC
Top agencies
|
$800,022 | ||
| 11 | $795,452 | |||
| 12 | $778,494 | |||
| 13 | $774,655 | |||
| 14 | $524,344 | |||
| 15 | $520,452 | |||
| 16 |
Gushiken-Pae JV
Top agencies
|
$373,937 | ||
| 17 |
Paradigm CCW JV LLC
Top agencies
|
$356,008 | ||
| 18 | $348,119 | |||
| 19 | $294,641 | |||
| 20 | $134,440 | |||
| 21 | $130,955 | |||
| 22 | $128,588 | |||
| 23 |
Shive-Hattery Inc.
Top agencies
|
$63,542 | ||
| 24 |
LHB Inc.
Top agencies
|
$15,953 | ||
| 25 |
Tetra Tech, Inc.
Top agencies
|
$14,512 | ||
| 26 |
RFS LLC
Top agencies
|
$8,769 |
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26 of 28 contractors listed here. See the rest on GovTribe.
How this ranking works
- Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
- Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $283 million obligated before deobligations, so they never pass 100%.
- Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
- Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
- Rank changes compare with Jul 2024–Jun 2025. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
- Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list.
- Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.
Quick answers
Who were the top 10 PSC C1BZ contractors in Jul 2025–Jun 2026?
1. Parsons Corporation ($231M), 2. Jacobs / B&M A Joint Venture ($5.68M), 3. Jacobs Government Services Company ($3.47M), 4. Hdr, Inc. ($2.68M), 5. Citrine-Olsson JV LLC ($2.24M), 6. Burns & Mcdonnell Engineering Company, Inc. ($1.27M), 7. Benham - Mead & Hunt ($1.24M), 8. GEO / Stanley Joint Venture 2 ($1.15M), 9. Ch2M Hill - HDR JV ($860K), 10. Westeast Design Group, LLC ($800K).
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