SpendLedger

Tetra Tech Em Inc: Ohio Government Payments

as recorded by Ohio: TETRA TECH EM INC

Tetra Tech Em Inc is the 1,293rd-largest recipient of Ohio state government payments tracked by SpendLedger, and ranks 3rd in Research Services spending. Its payments amount to 0.6% of everything the Environmental Protection Agency has paid vendors in that span. Payments to it rose 59.8% year over year.

Primary spending category: Research Services

$4,411,854total received
191payments
4agencies
Jan 11, 2022 – Jun 24, 2025first / last payment
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Payments by fiscal year

The payment history

Select a column to see the agencies behind that fiscal year.

4 fiscal years on record. The incoming flows below combine all recorded years.

Fiscal years may be partial; missing years are not zero spending. Negative columns reflect net refunds or corrections. Amounts share a linear scale.

Who pays this supplier?

Select a paying agency to inspect the relationship, then open its profile.

Jan 11, 2022 to Jun 24, 2025 · All recorded fiscal years

Showing 4 of 4 positive agencies in these records.

Flow widths compare the relationships shown. Percentages use the full recorded supplier total for this period: $4,411,853.92. Zero and net-negative relationships are excluded from positive flows.

The relationships at a glance

Total shown
$4,411,853.92
Payments represented
191
Paying agencies shown
4
Largest share of supplier total
63.4%

Largest displayed relationship: Environmental Protection Agency. Select a flow to explore its details.

Jan 11, 2022 to Jun 24, 2025 · All recorded fiscal years. Amount and payment count cover the relationships shown; shares use the full supplier total.

Receiving supplier

Tetra Tech Em Inc

$4,411,854from the agencies shown

Tetra Tech Em Inc
$4,411,854 from the agencies shown

  1. $2,796,41263.4% of supplier total
  2. $1,189,35027.0% of supplier total
  3. $388,6808.8% of supplier total
  4. $37,4110.8% of supplier total

This is a selection, not a full spending breakdown. Other agencies are not included in the flow. Some recorded agencies have no public profile link. Coverage may be partial. Review the agency table.

Payments by fiscal year and agency

Fiscal yearAgencyPaymentsTotal
FY 2025Environmental Protection Agency53$1,040,559
FY 2025Department of Health7$457,919
FY 2025Adjutant General's Department8$255,635
FY 2024Environmental Protection Agency46$745,327
FY 2024Department of Health9$250,066
FY 2024Adjutant General's Department8$102,169
FY 2023Environmental Protection Agency28$622,904
FY 2023Department of Health10$419,765
FY 2023Adjutant General's Department3$30,876
FY 2023Department of Public Safety1$9,972
FY 2022Environmental Protection Agency13$387,623
FY 2022Department of Health2$61,600
FY 2022Department of Public Safety3$27,439
Total191$4,411,854

What the payments were for

Spending categories exactly as Ohio state government codes them in its own accounting; we do not reclassify.

CategoryPaymentsTotalFirst / last
SITE PREPARATION5$64,866Feb 29, 2024 – May 2, 2024
SOFTWARE MAINTENANCE3$29,916Feb 17, 2022 – Jul 22, 2022
Research Services135$2,795,088Jan 27, 2022 – Jun 24, 2025
ENVIRO-LAND-STRUC-SUPP4$222,429Aug 30, 2024 – Jun 4, 2025
STATE PLANNED TRAINING/EMP6$181,314Jul 7, 2022 – Aug 7, 2024
PROMPT PAY INTEREST - ONLY5$1,324Feb 9, 2022 – May 14, 2024
ADMINISTRATIVE AND MGMT SERV23$1,015,532Jan 11, 2022 – Jun 18, 2025
BUILDING MAINTENANCE10$101,385Jul 14, 2022 – Jun 2, 2025

Largest payments by fiscal year

The biggest individual payments in each fiscal year, up to 20 per year. Where the source publishes a purchase order behind a payment, the PO description appears; older payments may carry a bare PO reference because the government's published PO files do not reach back that far.

Download this table as CSV (free, with source citation on every row)

FY 2025top 20 of 68 payments$1,754,113
DateAgencyAmountCategoryPurchase order
Apr 11, 2025Department of Health$134,823.81ADMINISTRATIVE AND MGMT SERV–
Nov 14, 2024Department of Health$127,309.65ADMINISTRATIVE AND MGMT SERV–
Apr 22, 2025Adjutant General's Department$98,176.28ENVIRO-LAND-STRUC-SUPP–
Aug 30, 2024Adjutant General's Department$93,276.85ENVIRO-LAND-STRUC-SUPP–
Dec 4, 2024Environmental Protection Agency$80,908.84Research Services–
Nov 7, 2024Environmental Protection Agency$64,415.52Research Services–
Jun 24, 2025Environmental Protection Agency$60,665.17Research Services–
May 6, 2025Department of Health$59,316.24ADMINISTRATIVE AND MGMT SERV–
Nov 20, 2024Department of Health$54,740.25ADMINISTRATIVE AND MGMT SERV–
Jun 18, 2025Department of Health$53,832.80ADMINISTRATIVE AND MGMT SERV–
Jan 13, 2025Environmental Protection Agency$52,209.58Research Services–
Nov 26, 2024Environmental Protection Agency$51,033.58Research Services–
Apr 21, 2025Environmental Protection Agency$51,021.00Research Services–
Jan 14, 2025Environmental Protection Agency$47,185.20Research Services–
Sep 4, 2024Environmental Protection Agency$44,339.17Research Services–
Oct 11, 2024Environmental Protection Agency$40,426.09Research Services–
Jun 9, 2025Environmental Protection Agency$38,274.85Research Services–
Apr 21, 2025Environmental Protection Agency$33,614.45Research Services–
Oct 16, 2024Environmental Protection Agency$28,890.31Research Services–
Jan 10, 2025Environmental Protection Agency$28,446.40Research Services–
FY 2024top 20 of 63 payments$1,097,563
DateAgencyAmountCategoryPurchase order
Jan 11, 2024Environmental Protection Agency$83,194.43Research Services–
Nov 22, 2023Environmental Protection Agency$62,173.51Research Services–
Mar 1, 2024Environmental Protection Agency$58,054.42Research Services–
Oct 11, 2023Department of Health$54,202.79STATE PLANNED TRAINING/EMP–
Nov 20, 2023Department of Health$53,186.80STATE PLANNED TRAINING/EMP–
Mar 26, 2024Department of Health$48,588.06STATE PLANNED TRAINING/EMP–
May 1, 2024Environmental Protection Agency$35,516.12Research Services–
Nov 30, 2023Environmental Protection Agency$35,190.50Research Services–
Aug 23, 2023Environmental Protection Agency$31,040.69Research Services–
May 3, 2024Environmental Protection Agency$31,027.01Research Services–
Feb 12, 2024Adjutant General's Department$29,306.43BUILDING MAINTENANCE–
Jun 13, 2024Department of Health$24,858.83ADMINISTRATIVE AND MGMT SERV–
Jan 30, 2024Environmental Protection Agency$23,391.45Research Services–
Jan 3, 2024Department of Health$23,108.60ADMINISTRATIVE AND MGMT SERV–
Mar 13, 2024Environmental Protection Agency$23,090.40Research Services–
Jul 17, 2023Environmental Protection Agency$22,661.60Research Services–
Sep 7, 2023Environmental Protection Agency$20,801.67Research Services–
May 2, 2024Adjutant General's Department$20,587.34SITE PREPARATION–
Jan 10, 2024Environmental Protection Agency$19,363.18Research Services–
Mar 21, 2024Environmental Protection Agency$19,099.13Research Services–
FY 2023top 20 of 42 payments$1,083,516
DateAgencyAmountCategoryPurchase order
May 5, 2023Environmental Protection Agency$116,112.71Research Services–
Dec 2, 2022Department of Health$111,420.47ADMINISTRATIVE AND MGMT SERV–
Oct 5, 2022Department of Health$104,594.27ADMINISTRATIVE AND MGMT SERV–
Aug 2, 2022Department of Health$80,798.29ADMINISTRATIVE AND MGMT SERV–
Dec 19, 2022Environmental Protection Agency$56,656.04Research Services–
Mar 8, 2023Environmental Protection Agency$49,032.14Research Services–
May 2, 2023Environmental Protection Agency$48,413.75Research Services–
Oct 19, 2022Environmental Protection Agency$35,039.29Research Services–
Feb 8, 2023Environmental Protection Agency$33,757.00Research Services–
Mar 23, 2023Environmental Protection Agency$32,703.09Research Services–
Jan 13, 2023Environmental Protection Agency$30,907.86Research Services–
Jun 15, 2023Department of Health$26,285.18ADMINISTRATIVE AND MGMT SERV–
Oct 26, 2022Environmental Protection Agency$25,930.00Research Services–
Mar 13, 2023Department of Health$24,208.23ADMINISTRATIVE AND MGMT SERV–
Jun 26, 2023Department of Health$23,343.89ADMINISTRATIVE AND MGMT SERV–
Apr 19, 2023Environmental Protection Agency$21,675.70Research Services–
Oct 25, 2022Environmental Protection Agency$19,333.00Research Services–
Mar 16, 2023Department of Health$18,680.64ADMINISTRATIVE AND MGMT SERV–
May 1, 2023Environmental Protection Agency$16,228.50Research Services–
Mar 20, 2023Environmental Protection Agency$15,844.15Research Services–
FY 2022top 18 of 18 payments$476,662
DateAgencyAmountCategoryPurchase order
Jan 27, 2022Environmental Protection Agency$148,784.59Research Services–
May 16, 2022Environmental Protection Agency$90,619.93Research Services–
Apr 27, 2022Department of Health$49,188.86ADMINISTRATIVE AND MGMT SERV–
Jun 24, 2022Environmental Protection Agency$30,897.44Research Services–
Apr 12, 2022Environmental Protection Agency$28,104.54Research Services–
Mar 16, 2022Environmental Protection Agency$26,408.55Research Services–
Apr 20, 2022Environmental Protection Agency$17,275.87Research Services–
Jun 1, 2022Department of Health$12,410.86ADMINISTRATIVE AND MGMT SERV–
Apr 21, 2022Environmental Protection Agency$10,721.06Research Services–
Mar 29, 2022Environmental Protection Agency$10,333.34Research Services–
Apr 28, 2022Department of Public Safety$9,971.86SOFTWARE MAINTENANCE–
Feb 17, 2022Department of Public Safety$9,971.86SOFTWARE MAINTENANCE–
Apr 27, 2022Environmental Protection Agency$9,212.85Research Services–
Mar 28, 2022Environmental Protection Agency$8,799.28Research Services–
Jan 11, 2022Department of Public Safety$7,495.50ADMINISTRATIVE AND MGMT SERV–
Apr 14, 2022Environmental Protection Agency$4,705.56Research Services–
Feb 9, 2022Environmental Protection Agency$899.87PROMPT PAY INTEREST - ONLY–
Apr 15, 2022Environmental Protection Agency$859.95Research Services–

Recent payments

DateAgencyAmountCategoryMethod
Jun 24, 2025Environmental Protection Agency$60,665.17Research ServicesEFT
Jun 18, 2025Department of Health$53,832.80ADMINISTRATIVE AND MGMT SERVEFT
Jun 16, 2025Environmental Protection Agency$21,219.32Research ServicesEFT
Jun 13, 2025Environmental Protection Agency$20,720.48Research ServicesEFT
Jun 11, 2025Environmental Protection Agency$8,804.77Research ServicesEFT
Jun 11, 2025Environmental Protection Agency$2,180.00Research ServicesEFT
Jun 9, 2025Environmental Protection Agency$38,274.85Research ServicesEFT
Jun 9, 2025Environmental Protection Agency$16,958.97Research ServicesEFT
Jun 9, 2025Environmental Protection Agency$995.43Research ServicesEFT
Jun 5, 2025Environmental Protection Agency$4,174.51Research ServicesEFT
Jun 4, 2025Adjutant General's Department$25,977.00ENVIRO-LAND-STRUC-SUPPEFT
Jun 2, 2025Adjutant General's Department$3,540.00BUILDING MAINTENANCEEFT
May 23, 2025Environmental Protection Agency$268.79Research ServicesEFT
May 6, 2025Department of Health$59,316.24ADMINISTRATIVE AND MGMT SERVEFT
Apr 28, 2025Adjutant General's Department$21,097.43BUILDING MAINTENANCEEFT
Apr 22, 2025Adjutant General's Department$98,176.28ENVIRO-LAND-STRUC-SUPPCHK
Apr 21, 2025Environmental Protection Agency$11,967.90Research ServicesCHK
Apr 21, 2025Environmental Protection Agency$13,518.84Research ServicesCHK
Apr 21, 2025Environmental Protection Agency$1,057.37Research ServicesCHK
Apr 21, 2025Environmental Protection Agency$33,614.45Research ServicesCHK
Apr 21, 2025Environmental Protection Agency$1,802.50Research ServicesCHK
Apr 21, 2025Environmental Protection Agency$3,053.29Research ServicesCHK
Apr 21, 2025Environmental Protection Agency$5,561.21Research ServicesCHK
Apr 21, 2025Environmental Protection Agency$51,021.00Research ServicesCHK
Apr 11, 2025Department of Health$134,823.81ADMINISTRATIVE AND MGMT SERVCHK

Other vendors serving Environmental Protection Agency

VerifiedData refreshed Sep 24, 2026 from Ohio Checkbook (checkbook.ohio.gov): 24,768,843 payments on record, Jan 3, 2022 to Jun 26, 2025. How we verify this data