United States · Federal contract register · Supplier record

CLAMSHELL STRUCTURES, INC

Line: Prefabricated and portable buildings (5410)Register loaded to September 2026Compiled 7 October 2026

CLAMSHELL STRUCTURES, INC — United States · Federal contract register · Supplier record: 510 contracts, all years ($99,912,331 · Dec 2005 – Sep 2024); $365K since January 2024 (7 contracts · 1 agency); 217th rank in the line (of 368 suppliers · 0.01%); 14 agencies never served ($105M on the line without CLAMSHELL STRUCTURES, INC).

Assay record ASY-US-0OABOJ50YY · Cite as: Assay Systems, “CLAMSHELL STRUCTURES, INC in the USAspending register”, https://assay-systems.com/register/us/clamshell-structures-inc/

510
contracts, all years
$99,912,331 · Dec 2005 – Sep 2024
$365K
since January 2024
7 contracts · 1 agency
217th
rank in the line
of 368 suppliers · 0.01%
14
agencies never served
$105M on the line without CLAMSHELL STRUCTURES, INC

Own record by year

2019 onward
$15.4M
$1.8M
$420K
$3.3M
$937K
$365K
20192020202120222023202420252026

Who buys from CLAMSHELL STRUCTURES, INC

since January 2024
1agencies
$365Kpaid
100.0%top buyer
Department of Defense100.0%
$365,023

Before 2024 only: General Services Administration.

The line

since January 2024
$601Mline value
964contracts
16agencies
368suppliers
56.6%held by top ten

Prefabricated and portable buildings (5410)

$328M
$149M
$124M
202420252026Jan–Sep
217thof 368 suppliers
$78,065CLAMSHELL STRUCTURES, INC in the line
0.01%share of the line
0.0%of $411,066,215 spent by Department of Defense

Agencies that buy the line and never bought from CLAMSHELL STRUCTURES, INC

14agencies
333contracts
$105,271,589since January 2024
Department of Homeland Security47 contracts
$47,235,385
Department of Justice24 contracts
$19,890,169
Department of the Interior83 contracts
$12,883,770
Department of Transportation81 contracts
$8,152,986
Department of Agriculture41 contracts
$7,643,244
Department of Veterans Affairs23 contracts
$2,984,583
Department of Energy5 contracts
$2,322,312
Department of Health and Human Services6 contracts
$1,322,995
National Aeronautics and Space Administration3 contracts
$914,210
Environmental Protection Agency3 contracts
$654,965
Department of State10 contracts
$556,795
Department of Commerce4 contracts
$466,777
Executive Office of the President1 contract
$215,000
Smithsonian Institution2 contracts
$28,399

How the line is bought

by value, since 2024
36%no competition
7%one applicant
0of these to CLAMSHELL STRUCTURES, INC
Competed, several suppliers applied650 contracts
$339,321,701 · 56.5%
Awarded directly, no competition98 contracts
$219,234,261 · 36.5%
Competed, one supplier applied216 contracts
$42,114,266 · 7.0%

Contracts reaching their end dates

Oct 2026 – October 2027
149contracts
$210,063,811end by October 2027
65end in December 2026 · $88.1M
100in agencies never served · $58.6M
$2.4M
$13.3M
$88.1M
$4.8M
$14.7M
$22.1M
$264K
$7.2M
$268K
$35.0M
$1.8M
$18.5M
$1.8M
Oct 2614 contractsNov 269 contractsDec 2665 contractsJan 2713 contractsFeb 2711 contractsMar 278 contractsApr 275 contractsMay 274 contractsJun 274 contractsJul 275 contractsAug 275 contractsSep 275 contractsOct 271 contract

Suppliers next to it in the line

since January 2024
FAITH ENTERPRISES INCORPORATED1 contract · 1 agency
$81,715
CLAMSHELL STRUCTURES, INC
$78,065
ELITE ALUMINUM CORP1 contract · 1 agency
$75,000
HOOPOE LABS INC1 contract · 1 agency
$74,689

All 368 suppliers in the line

Fastest-growing supplier in the line

same line
+415%growth

Supplier UEI N1LRKTJ6FJC3

2024 to date
$41,742,503
2022–2023
$8,111,580

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.