United States · Federal contract register · Supplier record

NEPTUNE AND COMPANY, INCORPORATED

Line: Environmental assessments (B510)Register loaded to September 2026Compiled 6 October 2026

NEPTUNE AND COMPANY, INCORPORATED — United States · Federal contract register · Supplier record: 421 contracts, all years ($54,574,310 · Nov 2002 – Sep 2026); $7.8M since January 2024 (51 contracts · 5 agencies); 19th rank in the line (of 336 suppliers · 1.08%); 13 agencies never served ($141M on the line without NEPTUNE AND COMPANY, INCORPORATED).

Assay record ASY-US-19L6D860IA · Cite as: Assay Systems, “NEPTUNE AND COMPANY, INCORPORATED in the USAspending register”, https://assay-systems.com/register/us/neptune-and-company-incorporated/

421
contracts, all years
$54,574,310 · Nov 2002 – Sep 2026
$7.8M
since January 2024
51 contracts · 5 agencies
19th
rank in the line
of 336 suppliers · 1.08%
13
agencies never served
$141M on the line without NEPTUNE AND COMPANY, INCORPORATED

Own record by year

2019 onward
$1.8M
$977K
$803K
$12.2M
$1.5M
$2.5M
$463K
$4.8M
20192020202120222023202420252026

Who buys from NEPTUNE AND COMPANY, INCORPORATED

since January 2024
5agencies
$7.8Mpaid
51.2%top buyer
Department of Energy51.2%
$4,000,000
Environmental Protection Agency38.3%
$2,987,889
Department of the Interior5.6%
$433,397
Department of Defense2.5%
$195,739
Department of Health and Human Services2.4%
$189,048

Before 2024 only: Agency for International Development, Department of Agriculture, Department of Commerce.

The line

since January 2024
$371Mline value
767contracts
20agencies
336suppliers
51.9%held by top ten

Environmental assessments (B510)

$147M
$113M
$111M
202420252026Jan–Sep
19thof 336 suppliers
$4,000,000NEPTUNE AND COMPANY, INCORPORATED in the line
1.08%share of the line
22.7%of $17,658,871 spent by Department of Energy

Agencies that buy the line and never bought from NEPTUNE AND COMPANY, INCORPORATED

13agencies
164contracts
$140,854,072since January 2024
Department of Homeland Security52 contracts
$125,483,965
Department of Veterans Affairs19 contracts
$5,633,332
Department of State27 contracts
$3,131,233
Department of Justice13 contracts
$2,742,774
General Services Administration21 contracts
$2,078,083
Department of Transportation15 contracts
$835,241
Nuclear Regulatory Commission1 contract
$275,000
Executive Office of the President1 contract
$224,987
National Aeronautics and Space Administration1 contract
$190,783
Department of Housing and Urban Development5 contracts
$152,942
Smithsonian Institution2 contracts
$48,715
National Archives and Records Administration6 contracts
$40,350
National Gallery of Art1 contract
$16,667

How the line is bought

by value, since 2024
8%no competition
13%one applicant
0of these to NEPTUNE AND COMPANY, INCORPORATED
Competed, several suppliers applied542 contracts
$290,503,908 · 78.4%
Competed, one supplier applied99 contracts
$49,113,801 · 13.3%
Awarded directly, no competition126 contracts
$31,017,794 · 8.4%

Contracts reaching their end dates

Oct 2026 – October 2027
197contracts
$115,174,759end by October 2027
43end in September 2027 · $32.1M
36in agencies never served · $30.9M
$1.6M
$2.3M
$6.6M
$5.5M
$1.8M
$23.5M
$2.8M
$10.2M
$13.7M
$7.1M
$7.6M
$32.1M
$475K
Oct 2610 contractsNov 2615 contractsDec 2621 contractsJan 2712 contractsFeb 2710 contractsMar 2724 contractsApr 279 contractsMay 279 contractsJun 2722 contractsJul 277 contractsAug 2714 contractsSep 2743 contractsOct 271 contract

Suppliers next to it in the line

since January 2024
BLUE WORLD RESEARCH INSTITUTE INC15 contracts · 1 agency
$4,078,581
HORSLEY WITTEN GROUP, INC.15 contracts · 1 agency
$4,003,336
NEPTUNE AND COMPANY, INCORPORATED
$4,000,000
ICF INCORPORATED, L.L.C.13 contracts · 1 agency
$3,606,833

All 336 suppliers in the line

Fastest-growing supplier in the line

same line
+680%growth

Supplier UEI NH3HNLDKWHK1

2024 to date
$29,525,987
2022–2023
$3,787,754

The extract

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

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.