Top 100 Contractors in PSC J052: Maintenance, Repair and Rebuilding of Equipment: Measuring Tool, Aug 2025–Jul 2026
Parent companies by net contract obligations Aug 1, 2025 – Jul 31, 2026 Code page on GovTribe
The latest 12 months. See the newest fiscal year's list: Top Contractors in PSC J052: Maintenance, Repair and Rebuilding of Equipment: Measuring Tool, FY2025.
The top 10 won 87% of PSC J052 contract dollars from August 2025 through July 2026
Ranking facts
- Contract obligations
- $71,747,250 Net of deobligations, by contracts coded PSC J052
- Contractors
- 122 Parent companies with an obligation
- Largest contractor
- Calista Corp $27.3 million, 37.4% of obligations
- Data as of
Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)
Full ranking
| Rank | Contractor | Net obligations | Share | Trend |
|---|---|---|---|---|
| 1 |
Calista Corp
Top agencies
|
$27,310,133 | ||
| 2 | $16,772,363 | |||
| 3 |
Goldbelt, Incorporated
Top agencies
|
$5,057,368 | ||
| 4 | $4,156,950 | |||
| 5 | $3,408,352 | |||
| 6 |
KBR Wyle Services LLC
Top agencies
|
$2,454,125 | ||
| 7 | $1,920,832 | |||
| 8 |
Teradyne Inc.
Top agencies
|
$814,801 | ||
| 9 |
Blade Diagnostics Corporation
Top agencies
|
$736,479 | ||
| 10 | $724,562 | |||
| 11 |
Dinamec Systems, LLC
Top agencies
|
$707,290 | ||
| 12 |
Ufa, Inc.
Top agencies
|
$668,523 | ||
| 13 | $662,202 | |||
| 14 |
R & D Scientific Corp
Top agencies
|
$526,583 | ||
| 15 |
SAFRAN
Top agencies
|
$504,957 | ||
| 16 | $492,816 | |||
| 17 |
Carl Zeiss Industrial Quality Solutions LLC
|
$433,835 | ||
| 18 |
Authentix, Inc.
Top agencies
|
$388,264 | ||
| 19 |
Kapex Manufacturing, LLC
Top agencies
|
$373,984 | ||
| 20 |
Hexagon Manufacturing Intelligence Inc.
|
$370,191 | ||
| 21 |
Radiation Detection Services Inc
Top agencies
|
$288,600 | ||
| 22 |
Astronics Corporation
Top agencies
|
$231,078 | ||
| 23 |
Weedon Engineering Co
Top agencies
|
$173,201 | ||
| 24 |
Detect Inc.
Top agencies
|
$156,917 | ||
| 25 | $148,450 | |||
| 26 |
Cobham Mission Systems Orchard Park Inc.
Top agencies
|
$142,438 | ||
| 27 |
Stratasys, Inc.
Top agencies
|
$137,475 | ||
| 28 |
Danaher Corporation
Top agencies
|
$120,305 | ||
| 29 |
Thermo Fisher Scientific Inc.
|
$104,063 | ||
| 30 | $103,671 | |||
| 31 | $92,400 | |||
| 32 | $90,046 | |||
| 33 |
Process Insights GMBH
Top agencies
|
$89,306 | ||
| 34 |
Mirion Technologies (Canberra), Inc.
Top agencies
|
$76,157 | ||
| 35 |
Fortive Corporation
|
$73,495 | ||
| 36 |
Nikon Metrology Inc
Top agencies
|
$72,500 | ||
| 37 |
Jeol Usa, Inc.
Top agencies
|
$69,337 | ||
| 38 |
Coast to Coast Calibrations Inc.
Top agencies
|
$65,859 | ||
| 39 | $63,738 | |||
| 40 | $51,312 | |||
| 41 |
Phillips Scales LLC
Top agencies
|
$51,031 | ||
| 42 | $50,906 | |||
| 43 |
3C Technical LLC
Top agencies
|
$50,388 | ||
| 44 | $48,280 | |||
| 45 |
Aktio Corporation
Top agencies
|
$47,637 | ||
| 46 |
AGFA-GEVAERT
Top agencies
|
$44,581 | ||
| 47 | $41,859 | |||
| 48 |
Alpine Power Systems Inc.
Top agencies
|
$41,753 | ||
| 49 | $41,013 | |||
| 50 | $35,714 | |||
| 51 |
Roper Technologies Inc.
Top agencies
|
$33,415 | ||
| 52 |
Mettler-Toledo International Inc.
Top agencies
|
$33,244 | ||
| 53 |
Caron East, Inc.
Top agencies
|
$30,000 | ||
| 54 | $29,538 | |||
| 55 | $28,688 | |||
| 56 | $28,055 | |||
| 57 |
Prosensing Inc.
Top agencies
|
$27,600 | ||
| 58 | $27,300 | |||
| 59 |
OHD LLLP
Top agencies
|
$26,595 | ||
| 60 | $26,331 | |||
| 61 | $25,421 | |||
| 62 | $25,230 | |||
| 63 |
Steris Corporation
Top agencies
|
$25,084 | ||
| 64 |
Automated Precision, Inc.
Top agencies
|
$23,640 | ||
| 65 | $23,220 | |||
| 66 | $22,738 | |||
| 67 | $22,392 | |||
| 68 |
J-Kem Scientific, Inc.
Top agencies
|
$22,000 | ||
| 69 | $20,868 | |||
| 70 |
Riegl Usa, Inc.
Top agencies
|
$20,239 | ||
| 71 | $18,966 | |||
| 72 |
Usmilcom, Inc.
Top agencies
|
$18,750 | ||
| 73 |
Rixan Automation LLC
Top agencies
|
$17,730 | ||
| 74 | $17,540 | |||
| 75 |
YSI Inc.
Top agencies
|
$16,900 | ||
| 76 |
Xleagle LLC
Top agencies
|
$16,770 | ||
| 77 | $16,177 | |||
| 78 | $15,880 | |||
| 79 |
Oerlikon Metco US Inc.
Top agencies
|
$15,410 | ||
| 80 |
The Maclean Group LLC
Top agencies
|
$15,363 | ||
| 81 | $14,545 | |||
| 82 |
Systems Service Corp
Top agencies
|
$14,400 | ||
| 83 | $13,557 | |||
| 84 |
On Point Calibration LLC
Top agencies
|
$13,500 | ||
| 85 |
Young Scale Co LLC
Top agencies
|
$13,175 | ||
| 86 |
Tyco Fire Products LP
Top agencies
|
$12,005 | ||
| 87 |
Control Southern Inc.
Top agencies
|
$11,940 | ||
| 88 | $11,088 | |||
| 89 |
Agilent Technologies, Inc.
Top agencies
|
$10,558 | ||
| 90 |
Innovative Scale LLC
Top agencies
|
$10,000 | ||
| 91 |
Ophir RF, Inc.
Top agencies
|
$9,600 | ||
| 92 |
Advance Mfg.co., Inc.
Top agencies
|
$9,100 | ||
| 93 | $8,975 | |||
| 94 |
Roberts Calibration, Inc.
Top agencies
|
$8,239 | ||
| 95 |
Polytec, Inc.
Top agencies
|
$7,950 | ||
| 96 |
Clemex Technologies Inc.
Top agencies
|
$7,860 | ||
| 97 |
Pdma Corporation
Top agencies
|
$7,800 | ||
| 98 |
Trillamed LLC
Top agencies
|
$7,580 | ||
| 99 |
UE Systems Inc.
Top agencies
|
$7,285 | ||
| 100 | $7,188 |
Show 75 more
100 of 122 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 $73.1 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. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. 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 Aug 2024–Jul 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 J052 contractors in Aug 2025–Jul 2026?
1. Calista Corp ($27.3M), 2. Apro International, Inc. ($16.8M), 3. Goldbelt, Incorporated ($5.06M), 4. Science & Management Resources Inc. ($4.16M), 5. Mesotech International, Inc. ($3.41M), 6. KBR Wyle Services LLC ($2.45M), 7. Haight Bey & Associates LLC ($1.92M), 8. Teradyne Inc. ($815K), 9. Blade Diagnostics Corporation ($736K), 10. The Pennsylvania State University ($725K).
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