United States · Federal contract register · Supplier record

ARDL INC

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

ARDL INC — United States · Federal contract register · Supplier record: 746 contracts, all years ($102,163,265 · Feb 2004 – Jun 2026); $10.9M since January 2024 (21 contracts · 1 agency); 11th rank in the line (of 336 suppliers · 1.84%); 17 agencies never served ($199M on the line without ARDL INC).

Assay record ASY-US-00E1AC00RP · Cite as: Assay Systems, “ARDL INC in the USAspending register”, https://assay-systems.com/register/us/ardl-inc/

746
contracts, all years
$102,163,265 · Feb 2004 – Jun 2026
$10.9M
since January 2024
21 contracts · 1 agency
11th
rank in the line
of 336 suppliers · 1.84%
17
agencies never served
$199M on the line without ARDL INC

Own record by year

2019 onward
$31.1M
$9.7M
$11.4M
$3.2M
$8.7M
$1.2M
$5.0M
$4.7M
20192020202120222023202420252026

Who buys from ARDL INC

since January 2024
1agencies
$10.9Mpaid
100.0%top buyer
Department of Defense100.0%
$10,922,110

Before 2024 only: Department of the Interior, Environmental Protection Agency.

The line

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

Environmental assessments (B510)

$147M
$113M
$111M
202420252026Jan–Sep
11thof 336 suppliers
$6,833,133ARDL INC in the line
1.84%share of the line
9.5%of $72,045,241 spent by Department of Defense

Agencies that buy the line and never bought from ARDL INC

17agencies
279contracts
$199,170,480since January 2024
Department of Homeland Security52 contracts
$125,483,965
Department of Commerce22 contracts
$22,509,688
Department of Energy10 contracts
$17,658,871
Department of Agriculture52 contracts
$10,109,087
Department of Health and Human Services31 contracts
$8,038,762
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
9%no competition
13%one applicant
0of these to ARDL INC
Competed, several suppliers applied541 contracts
$286,503,908 · 77.3%
Competed, one supplier applied99 contracts
$49,113,801 · 13.3%
Awarded directly, no competition127 contracts
$35,017,794 · 9.4%

Contracts reaching their end dates

Oct 2026 – October 2027
194contracts
$114,917,671end by October 2027
43end in September 2027 · $32.1M
71in agencies never served · $63.9M
$1.6M
$2.3M
$6.6M
$5.5M
$1.7M
$23.4M
$2.8M
$10.2M
$13.7M
$7.1M
$7.6M
$32.1M
$475K
Oct 2610 contractsNov 2615 contractsDec 2620 contractsJan 2712 contractsFeb 279 contractsMar 2723 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
ARDL INC
$6,833,133
STANTEC CONSULTING SERVICES INC.9 contracts · 2 agencies
$6,776,685
MBK ENGINEERS3 contracts · 1 agency
$6,362,798
TRIDEC TECHNOLOGIES, LLC1 contract · 1 agency
$5,748,024

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.