United States · Federal contract register · Supplier record

ZISTOS CORPORATION

Line: Optical instruments, test equipment, components and accessories (6650)Register loaded to September 2026Compiled 6 October 2026

ZISTOS CORPORATION — United States · Federal contract register · Supplier record: 180 contracts, all years ($16,970,664 · Aug 2008 – Aug 2026); $2.4M since January 2024 (57 contracts · 2 agencies); 310th rank in the line (of 615 suppliers · 0.01%); 13 agencies never served ($30.3M on the line without ZISTOS CORPORATION).

Assay record ASY-US-0HIR9FH0S5 · Cite as: Assay Systems, “ZISTOS CORPORATION in the USAspending register”, https://assay-systems.com/register/us/zistos-corporation/

180
contracts, all years
$16,970,664 · Aug 2008 – Aug 2026
$2.4M
since January 2024
57 contracts · 2 agencies
310th
rank in the line
of 615 suppliers · 0.01%
13
agencies never served
$30.3M on the line without ZISTOS CORPORATION

Own record by year

2019 onward
$3.0M
$4.0M
$2.4M
$2.2M
$2.5M
$1.7M
$592K
$104K
20192020202120222023202420252026

Who buys from ZISTOS CORPORATION

since January 2024
2agencies
$2.4Mpaid
98.2%top buyer
Department of Defense98.2%
$2,353,826
Department of Homeland Security1.8%
$44,350

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

The line

since January 2024
$428Mline value
1,838contracts
18agencies
615suppliers
58.1%held by top ten

Optical instruments, test equipment, components and accessories (6650)

$145M
$208M
$75.0M
202420252026Jan–Sep
310thof 615 suppliers
$56,620ZISTOS CORPORATION in the line
0.01%share of the line
0.0%of $386,153,738 spent by Department of Defense
1.2%of $3,750,200 spent by Department of Homeland Security

Agencies that buy the line and never bought from ZISTOS CORPORATION

13agencies
219contracts
$30,326,534since January 2024
Department of Commerce29 contracts
$8,474,699
Department of Health and Human Services56 contracts
$7,426,621
Department of Veterans Affairs62 contracts
$4,877,876
Department of Agriculture23 contracts
$3,579,105
National Aeronautics and Space Administration11 contracts
$2,030,607
Smithsonian Institution9 contracts
$1,908,255
Department of the Treasury14 contracts
$997,754
Department of Transportation4 contracts
$451,764
Department of Energy2 contracts
$198,820
National Transportation Safety Board1 contract
$127,848
National Gallery of Art2 contracts
$95,776
General Services Administration2 contracts
$89,062
Department of State4 contracts
$68,346

How the line is bought

by value, since 2024
66%no competition
7%one applicant
0of these to ZISTOS CORPORATION
Awarded directly, no competition407 contracts
$281,377,496 · 65.7%
Competed, several suppliers applied989 contracts
$114,913,080 · 26.8%
Competed, one supplier applied442 contracts
$32,037,181 · 7.5%

Contracts reaching their end dates

Oct 2026 – October 2027
149contracts
$46,857,756end by October 2027
43end in October 2026 · $9.0M
45in agencies never served · $11.1M
$9.0M
$6.0M
$4.1M
$2.9M
$3.2M
$3.7M
$463K
$4.4M
$4.4M
$977K
$256K
$7.4M
Oct 2643 contractsNov 2628 contractsDec 2618 contractsJan 279 contractsFeb 278 contractsMar 276 contractsApr 274 contractsMay 276 contractsJun 273 contractsJul 275 contractsAug 274 contractsSep 2715 contracts

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.