United States · Federal contract register · Supplier record

MCNAUGHTON-MCKAY SOUTHEAST, INC.

Line: Sewage treatment equipment (4630)Register loaded to September 2026Compiled 6 October 2026

MCNAUGHTON-MCKAY SOUTHEAST, INC. — United States · Federal contract register · Supplier record: 98 contracts, all years ($2,514,245 · Feb 2008 – May 2026); $885K since January 2024 (11 contracts · 2 agencies); 13th rank in the line (of 86 suppliers · 0.35%); 8 agencies never served ($35.8M on the line without MCNAUGHTON-MCKAY SOUTHEAST, INC.).

Assay record ASY-US-05KQ2PK1OM · Cite as: Assay Systems, “MCNAUGHTON-MCKAY SOUTHEAST, INC. in the USAspending register”, https://assay-systems.com/register/us/mcnaughton-mckay-southeast-inc/

98
contracts, all years
$2,514,245 · Feb 2008 – May 2026
$885K
since January 2024
11 contracts · 2 agencies
13th
rank in the line
of 86 suppliers · 0.35%
8
agencies never served
$35.8M on the line without MCNAUGHTON-MCKAY SOUTHEAST, INC.

Own record by year

2019 onward
$32.0K
$76.7K
$47.4K
$34.3K
$62.5K
$345K
$462K
$78.8K
20192020202120222023202420252026

Who buys from MCNAUGHTON-MCKAY SOUTHEAST, INC.

since January 2024
2agencies
$885Kpaid
100.0%top buyer
Department of Defense100.0%
$885,378
National Aeronautics and Space Administration0.0%
$0

Before 2024 only: Department of Commerce, Department of Homeland Security, U.S. Agency for Global Media.

The line

since January 2024
$90.7Mline value
150contracts
11agencies
86suppliers
94.0%held by top ten

Sewage treatment equipment (4630)

$33.4M
$21.5M
$35.8M
202420252026Jan–Sep
13thof 86 suppliers
$315,632MCNAUGHTON-MCKAY SOUTHEAST, INC. in the line
0.35%share of the line
0.6%of $54,519,647 spent by Department of Defense

Agencies that buy the line and never bought from MCNAUGHTON-MCKAY SOUTHEAST, INC.

8agencies
56contracts
$35,800,529since January 2024
Department of State7 contracts
$17,755,435
General Services Administration13 contracts
$13,309,918
Department of Justice21 contracts
$1,858,089
Department of the Treasury2 contracts
$1,769,556
Department of the Interior7 contracts
$538,359
Department of Veterans Affairs3 contracts
$428,564
Department of Health and Human Services2 contracts
$135,608
Department of Agriculture1 contract
$5,000

How the line is bought

by value, since 2024
52%no competition
21%one applicant
0of these to MCNAUGHTON-MCKAY SOUTHEAST, INC.
Awarded directly, no competition36 contracts
$47,394,832 · 52.3%
Competed, several suppliers applied90 contracts
$24,310,104 · 26.8%
Competed, one supplier applied24 contracts
$18,997,886 · 20.9%

Contracts reaching their end dates

Oct 2026 – October 2027
23contracts
$44,971,722end by October 2027
6end in December 2026 · $2.2M
11in agencies never served · $24.3M
$122K
$3.1M
$2.2M
$1.6M
$54.5K
$37.4M
$54.9K
$64.2K
$417K
Oct 264 contractsNov 264 contractsDec 266 contractsJan 272 contractsFeb 271 contractMar 273 contractsApr 271 contractMay 271 contractJun 271 contract

Fastest-growing supplier in the line

same line
+82%growth

Supplier UEI RDQDMFHFM8K3

2024 to date
$928,200
2022–2023
$509,615

The extract

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

Request extractSee a sample extract

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.