Top 59 Contractors in PSC J044: Maintenance, Repair and Rebuilding of Equipment: Furnace, Steam Plant, and Drying Equipment; and Nuclear Reactors, 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 J044: Maintenance, Repair and Rebuilding of Equipment: Furnace, Steam Plant, and Drying Equipment; and Nuclear Reactors, FY2025.

The top 10 won 59% of PSC J044 contract dollars from August 2025 through July 2026

Ranking facts

Contract obligations
$10,612,992 Net of deobligations, by contracts coded PSC J044
Contractors
59 Parent companies with an obligation
Largest contractor
Phoenix General Contractors, LLC $2.61 million, 23.2% of obligations
Data as of

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 59 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

Full ranking

Rank Contractor Net obligations Share Trend
1 $2,605,015
Rank history: not on the FY2021–FY2022 lists, #4 in FY2023, #7 in FY2024 and #1 in FY2025; up 5 since Aug 2024–Jul 2025.
2 $750,000
Rank history: #60 in FY2021, not on the FY2022 list, #77 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
3 $557,495
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
4 $494,424
Rank history: not on the FY2021–FY2024 lists and #16 in FY2025; new, not ranked in Aug 2024–Jul 2025.
5 $493,190
Rank history: #1 in FY2021, #5 in FY2022, #1 in FY2023, #2 in FY2024 and #5 in FY2025; down 4 since Aug 2024–Jul 2025.
6 $444,653
Rank history: #4 in FY2021, #6 in FY2022, #6 in FY2023, #8 in FY2024 and #2 in FY2025; down 4 since Aug 2024–Jul 2025.
7 $374,446
Rank history: not on the FY2021–FY2022 lists, #66 in FY2023, #29 in FY2024 and #11 in FY2025; up 29 since Aug 2024–Jul 2025.
8 $308,879
Rank history: #15 in FY2021, #76 in FY2022, #33 in FY2023, #12 in FY2024 and #7 in FY2025; down 1 since Aug 2024–Jul 2025.
9 $294,218
Rank history: #3 in FY2021, not on the FY2022 list, #25 in FY2023, #10 in FY2024 and #12 in FY2025; up 1 since Aug 2024–Jul 2025.
10 $275,816
Rank history: not on the FY2021 list, #30 in FY2022, #15 in FY2023, #18 in FY2024 and #13 in FY2025; up 7 since Aug 2024–Jul 2025.
11 $259,120
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
12 $252,490
Rank history: not on the FY2021–FY2024 lists and #15 in FY2025; up 3 since Aug 2024–Jul 2025.
13 $232,176
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
14 $214,656
Rank history: not on the FY2021–FY2024 lists and #10 in FY2025; up 10 since Aug 2024–Jul 2025.
15
Ameritech Contracting LLC
$191,996
Rank history: not on the FY2021–FY2023 lists, #24 in FY2024 and #9 in FY2025; down 6 since Aug 2024–Jul 2025.
16 $189,337
Rank history: not on the FY2021 list, #7 in FY2022, #22 in FY2023, #11 in FY2024 and #6 in FY2025; down 11 since Aug 2024–Jul 2025.
17 $186,535
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
18 $167,676
Rank history: not on the FY2021–FY2023 lists, #3 in FY2024 and #3 in FY2025; down 15 since Aug 2024–Jul 2025.
19 $145,387
Rank history: not on the FY2021–FY2023 lists, #5 in FY2024 and #19 in FY2025; unchanged since Aug 2024–Jul 2025.
20
United Pool Maintenance LLC
$142,088
Rank history: not on the FY2021–FY2022 lists, #91 in FY2023, #14 in FY2024 and #23 in FY2025; up 6 since Aug 2024–Jul 2025.
21 $132,000
Rank history: not on the FY2021–FY2023 lists, #19 in FY2024 and #22 in FY2025; up 52 since Aug 2024–Jul 2025.
22 $130,618
Rank history: not on the FY2021–FY2024 lists and #24 in FY2025; new, not ranked in Aug 2024–Jul 2025.
23 $129,238
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
24 $129,000
Rank history: not on the FY2021–FY2024 lists and #14 in FY2025; down 10 since Aug 2024–Jul 2025.
25 $110,755
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
26 $107,254
Rank history: #39 in FY2021, #44 in FY2022, #29 in FY2023, #40 in FY2024 and #33 in FY2025; up 7 since Aug 2024–Jul 2025.
27 $99,829
Rank history: not on the FY2021–FY2022 lists, #17 in FY2023, #28 in FY2024 and #25 in FY2025; down 6 since Aug 2024–Jul 2025.
28 $97,279
Rank history: #46 in FY2021, #52 in FY2022, #59 in FY2023, #57 in FY2024 and #29 in FY2025; up 1 since Aug 2024–Jul 2025.
29 $89,899
Rank history: #51 in FY2021, not on the FY2022–FY2023 lists, #31 in FY2024 and #26 in FY2025; down 7 since Aug 2024–Jul 2025.
30 $87,141
Rank history: #18 in FY2021, not on the FY2022–FY2023 lists, #41 in FY2024 and #32 in FY2025; up 40 since Aug 2024–Jul 2025.
31 $78,375
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
32 $77,306
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
33 $71,310
Rank history: not on the FY2021–FY2022 lists, #72 in FY2023, #49 in FY2024 and #51 in FY2025; up 7 since Aug 2024–Jul 2025.
34 $70,567
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
35 $68,935
Rank history: #10 in FY2021, #14 in FY2022, #21 in FY2023, #20 in FY2024 and #18 in FY2025; down 17 since Aug 2024–Jul 2025.
36 $68,900
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
37 $64,350
Rank history: #31 in FY2021, #35 in FY2022, #49 in FY2023, #80 in FY2024 and not on the FY2025 list; new, not ranked in Aug 2024–Jul 2025.
38
Onsite Construction Group LLC
$62,318
Rank history: not on the FY2021–FY2024 lists and #27 in FY2025; up 12 since Aug 2024–Jul 2025.
39 $60,721
Rank history: #63 in FY2021, #38 in FY2022, #45 in FY2023, #55 in FY2024 and #8 in FY2025; down 28 since Aug 2024–Jul 2025.
40 $60,441
Rank history: #5 in FY2021, #9 in FY2022, #10 in FY2023, #9 in FY2024 and #17 in FY2025; down 24 since Aug 2024–Jul 2025.
41 $60,214
Rank history: not on the FY2021 list, #27 in FY2022, #68 in FY2023, #33 in FY2024 and #39 in FY2025; up 1 since Aug 2024–Jul 2025.
42 $52,088
Rank history: #61 in FY2021, #59 in FY2022, #76 in FY2023, not on the FY2024 list and #35 in FY2025; new, not ranked in Aug 2024–Jul 2025.
43 $52,080
Rank history: not on the FY2021–FY2024 lists and #30 in FY2025; down 13 since Aug 2024–Jul 2025.
44 $50,500
Rank history: not on the FY2021 list, #13 in FY2022, #30 in FY2023, #46 in FY2024 and #37 in FY2025; down 5 since Aug 2024–Jul 2025.
45 $38,772
Rank history: not on the FY2021–FY2024 lists and #41 in FY2025; up 1 since Aug 2024–Jul 2025.
46 $36,388
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
47 $36,005
Rank history: not on the FY2021–FY2024 lists and #53 in FY2025; up 12 since Aug 2024–Jul 2025.
48 $28,330
Rank history: #80 in FY2021, not on the FY2022–FY2024 lists and #48 in FY2025; new, not ranked in Aug 2024–Jul 2025.
49 $28,000
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
50 $26,081
Rank history: #34 in FY2021, #49 in FY2022, #57 in FY2023, #59 in FY2024 and #42 in FY2025; down 2 since Aug 2024–Jul 2025.
51 $23,762
Rank history: not on the FY2021–FY2024 lists and #4 in FY2025; down 47 since Aug 2024–Jul 2025.
52 $17,975
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
53 $12,529
Rank history: not on the FY2021–FY2023 lists, #69 in FY2024 and #55 in FY2025; up 10 since Aug 2024–Jul 2025.
54 $11,922
Rank history: #59 in FY2021, #58 in FY2022, #84 in FY2023, #63 in FY2024 and #45 in FY2025; down 3 since Aug 2024–Jul 2025.
55 $10,000
Rank history: not on the FY2021–FY2024 lists and #61 in FY2025; up 14 since Aug 2024–Jul 2025.
56 $8,851
Rank history: not on the FY2021 list, #45 in FY2022, #75 in FY2023, #53 in FY2024 and #58 in FY2025; down 15 since Aug 2024–Jul 2025.
57 $8,467
Rank history: #44 in FY2021, #4 in FY2022, #8 in FY2023, #30 in FY2024 and #38 in FY2025; up 1 since Aug 2024–Jul 2025.
58
Technical Applications Inc
$5,998
Rank history: not on the FY2021–FY2023 lists, #60 in FY2024 and #65 in FY2025; new, not ranked in Aug 2024–Jul 2025.
59
Citrine LLC
$5,500
Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
Show all 59

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 $11.2 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 J044 contractors in Aug 2025–Jul 2026?

1. Phoenix General Contractors, LLC ($2.61M), 2. Guy L Warden & Sons ($750K), 3. VGS Infrastructure Services Inc. ($557K), 4. Energy Technology and Service, Inc. ($494K), 5. Consolidated Engineering Company, Inc. ($493K), 6. Caldaia Controls LLC ($445K), 7. Adco Companies, Ltd. ($374K), 8. R.f. Macdonald Co., LLC ($309K), 9. Utility Systems Solutions, Inc. ($294K), 10. Global Systemized Industry ($276K).

On GovTribe

Research every contractor on this list

  • Every contract, task order and IDV they hold
  • Their subsidiaries, teammates and competitors
  • Open opportunities they're positioned for
  • Alerts when they win new work