United States · Federal contract register · Supplier record

DIAMOND SERVICES, INC

Line: Custodial janitorial (S201)Register loaded to September 2026Compiled 6 October 2026

DIAMOND SERVICES, INC — United States · Federal contract register · Supplier record: 92 contracts, all years ($10,072,206 · Aug 2004 – Nov 2025); $256K since January 2024 (6 contracts · 1 agency); — rank in the line (of 1,487 suppliers · 0.0%); 23 agencies never served ($264M on the line without DIAMOND SERVICES, INC).

Assay record ASY-US-0XC1JXG0P4 · Cite as: Assay Systems, “DIAMOND SERVICES, INC in the USAspending register”, https://assay-systems.com/register/us/diamond-services-inc/

92
contracts, all years
$10,072,206 · Aug 2004 – Nov 2025
$256K
since January 2024
6 contracts · 1 agency
—
rank in the line
of 1,487 suppliers · 0.0%
23
agencies never served
$264M on the line without DIAMOND SERVICES, INC

Own record by year

2019 onward
$195K
$1.7M
$434K
$33.9K
$40.2K
$174K
$82.0K
20192020202120222023202420252026

Who buys from DIAMOND SERVICES, INC

since January 2024
1agencies
$256Kpaid
100.0%top buyer
Department of Defense100.0%
$256,090

Before 2024 only: Department of Agriculture, Department of Commerce, Department of Health and Human Services, Department of Homeland Security, Department of Justice, Department of Veterans Affairs, General Services Administration.

The line

since January 2024
$2.6Bline value
6,858contracts
31agencies
1,487suppliers
25.3%held by top ten

Custodial janitorial (S201)

$1.1B
$1.0B
$429M
202420252026Jan–Sep
—of 1,487 suppliers
$0DIAMOND SERVICES, INC in the line
0.0%share of the line

Agencies that buy the line and never bought from DIAMOND SERVICES, INC

23agencies
1,112contracts
$263,976,419since January 2024
Department of State516 contracts
$62,173,066
Department of the Interior303 contracts
$61,765,941
Department of Transportation160 contracts
$60,498,907
National Aeronautics and Space Administration47 contracts
$32,115,432
Department of the Treasury12 contracts
$9,127,386
Environmental Protection Agency8 contracts
$8,213,801
Department of Energy24 contracts
$7,715,273
Department of Housing and Urban Development1 contract
$4,679,052
National Archives and Records Administration3 contracts
$4,015,210
District of Columbia Courts2 contracts
$3,315,492
Department of Labor2 contracts
$3,062,962
Court Services and Offender Supervision Agency1 contract
$2,397,964
Railroad Retirement Board3 contracts
$2,345,726
Smithsonian Institution17 contracts
$1,792,187
Office of Personnel Management2 contracts
$230,551
Agency for International Development1 contract
$174,613
U.S. Agency for Global Media3 contracts
$104,085
Federal Communications Commission2 contracts
$84,212
U.S. International Development Finance Corporation1 contract
$83,899
National Science Foundation1 contract
$47,610
Executive Office of the President1 contract
$23,750
National Gallery of Art1 contract
$4,926
Merit Systems Protection Board1 contract
$4,375

How the line is bought

by value, since 2024
59%no competition
3%one applicant
0of these to DIAMOND SERVICES, INC
Awarded directly, no competition2,742 contracts
$1,513,979,368 · 59.0%
Competed, several suppliers applied3,741 contracts
$971,629,341 · 37.9%
Competed, one supplier applied375 contracts
$79,942,188 · 3.1%

Contracts reaching their end dates

Oct 2026 – October 2027
1,745contracts
$934,832,960end by October 2027
259end in March 2027 · $173M
354in agencies never served · $108M
$51.5M
$43.6M
$40.4M
$78.6M
$100M
$173M
$118M
$54.7M
$67.7M
$64.3M
$100.0M
$42.7M
$58.5K
Oct 26103 contractsNov 26102 contractsDec 26139 contractsJan 27116 contractsFeb 27152 contractsMar 27259 contractsApr 27212 contractsMay 27165 contractsJun 27135 contractsJul 27103 contractsAug 27113 contractsSep 27145 contractsOct 271 contract

Suppliers next to it in the line

since January 2024
R & R GLOBAL 1969 LLC1 contract · 1 agency
$537
B3GLOBALCON ROMANIA S.R.L.1 contract · 1 agency
$537
FAR GOVERNMENT, INC.1 contract · 1 agency
$510
DIAMOND SERVICES, INC
$0

All 1,487 suppliers in the line

Fastest-growing supplier in the line

same line
+719%growth

Supplier UEI JXGZBLGBA996

2024 to date
$55,359,292
2022–2023
$6,758,022

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.