United States · Federal contract register · Supplier record

SLSCO, LTD.

Line: Construction of other non-building facilities (Y1PZ)Register loaded to September 2026Compiled 6 October 2026

SLSCO, LTD. — United States · Federal contract register · Supplier record: 33 contracts, all years ($2,773,414,967 · Apr 2009 – Sep 2025); $555M since January 2024 (10 contracts · 2 agencies); 15th rank in the line (of 680 suppliers · 0.4%); 10 agencies never served ($684M on the line without SLSCO, LTD.).

Assay record ASY-US-1XP3T3H0SZ · Cite as: Assay Systems, “SLSCO, LTD. in the USAspending register”, https://assay-systems.com/register/us/slsco-ltd/

33
contracts, all years
$2,773,414,967 · Apr 2009 – Sep 2025
$555M
since January 2024
10 contracts · 2 agencies
15th
rank in the line
of 680 suppliers · 0.4%
10
agencies never served
$684M on the line without SLSCO, LTD.

Own record by year

2019 onward
$602M
$445M
$3.5K
$27.7M
$411M
$126M
$430M
20192020202120222023202420252026

Who buys from SLSCO, LTD.

since January 2024
2agencies
$555Mpaid
77.5%top buyer
Department of Defense77.5%
$430,207,375
Department of Homeland Security22.5%
$125,188,145

The line

since January 2024
$31.6Bline value
1,236contracts
12agencies
680suppliers
86.2%held by top ten

Construction of other non-building facilities (Y1PZ)

$2.1B
$13.6B
$15.9B
202420252026Jan–Sep
15thof 680 suppliers
$125,200,395SLSCO, LTD. in the line
0.4%share of the line
0.0%of $3,875,954,010 spent by Department of Defense
0.5%of $27,075,876,075 spent by Department of Homeland Security

Agencies that buy the line and never bought from SLSCO, LTD.

10agencies
527contracts
$683,951,600since January 2024
Department of the Interior175 contracts
$372,346,235
Department of Veterans Affairs185 contracts
$202,739,401
Department of State57 contracts
$34,822,114
Department of Agriculture75 contracts
$34,602,078
Department of Energy19 contracts
$21,024,261
General Services Administration1 contract
$10,379,487
Department of Transportation5 contracts
$7,064,491
Department of Health and Human Services2 contracts
$550,754
Department of Commerce7 contracts
$396,950
Agency for International Development1 contract
$25,830

How the line is bought

by value, since 2024
0%no competition
3%one applicant
0of these to SLSCO, LTD.
Competed, several suppliers applied968 contracts
$30,504,935,329 · 96.4%
Competed, one supplier applied130 contracts
$987,944,343 · 3.1%
Awarded directly, no competition138 contracts
$142,902,013 · 0.5%

Contracts reaching their end dates

Oct 2026 – October 2027
246contracts
$8,860,703,551end by October 2027
47end in December 2026 · $126M
114in agencies never served · $220M
$227M
$88.4M
$126M
$37.0M
$396M
$743M
$49.1M
$2.7B
$17.0M
$2.8B
$121M
$1.6B
$567K
Oct 2640 contractsNov 2633 contractsDec 2647 contractsJan 2717 contractsFeb 2719 contractsMar 2722 contractsApr 2711 contractsMay 2711 contractsJun 273 contractsJul 2716 contractsAug 2710 contractsSep 2716 contractsOct 271 contract

Suppliers next to it in the line

since January 2024
SLSCO, LTD.
$125,200,395
KIEWIT INFRASTRUCTURE WEST CO.1 contract · 1 agency
$103,310,000
TKTMJ, INC.5 contracts · 1 agency
$102,331,364
LUHR CROSBY, LLC7 contracts · 1 agency
$90,378,801

All 680 suppliers in the line

The extract

Every buying office, every contract holder, value, number and end date behind the figures above.

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Source: USAspending.gov, U.S. Department of the Treasury, Bureau of the Fiscal Service, usaspending.gov, accessed 30 September 2026.The data is available to copy, adapt, redistribute, or otherwise use for non-commercial or for commercial purposes (USAspending.gov, Licensing); no Dun & Bradstreet data is shown.