Plumbing, Heating, and Waste Disposal Equipment Inspection Government Contracts

PSC H345 Inspection and Laboratory Services (except medical/dental): Plumbing, Heating, and Waste Disposal Equipment Service code

Code facts

Spend category
Equipment Related Services Quality Control
Contract obligations
$1,253,066 In FY2025

PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.

Market summary

Open opportunities
1 5 notices posted in the last 90 days
Contract awards
23 In the last 12 months
Obligated
$1,500,833 In the last 12 months, net of deobligations

Top buying agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Department of Veterans Affairs $483,279
2 Air Force Department of Defense $392,177
3 Department of the Interior $368,425
4 Department of State $167,877
5 Department of Homeland Security $122,314
6 Department of the Army Department of Defense $55,328
7 Department of Transportation $46,658
8 Department of Justice $26,500
9 Defense Logistics Agency Department of Defense $5,718

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 Citrine LLC $382,253
2 Caldaia Controls LLC $123,182
3 Cawley Environmental Services Inc. $117,600
4 The Cleaver-Brooks Company, Inc. $111,058
5 Inden Solutions Group Inc. $90,712
6 B2B Direct Sales, Inc. $84,582
7 Insparisk, LLC $82,218
8 Trident Joint Services, LLC $76,000
9 Underwood Federal Solutions LLC $65,000
10 Green And Sustainable Services, LLC $52,066

Open contract opportunities

Notice Posted Due
White City, Oregon, Boiler Inspection Services Solicitation Base Year + Four Option Years (offers are now due on 11/13/2026) Solicitation · Veterans Integrated Service Network 20 (VHA)

Recent contract awards

Award Awarded Obligated
E.O. 14398 backflow preventer inspections at gettysburg national military park and eisenhower national historic site 140P4226P0033 · Kolmist Group LLC · Northeast Region (NPS) $4,600
E.O. 14398 flni: potable and wastewater treatment plant operations 140P4226C0023 · Cawley Environmental Services Inc. · Northeast Region (NPS) $117,600
Emergency HVAC repairs for CU-7 and MUA 140A2326P0405 · B2B Direct Sales, Inc. · Bureau of Indian Education (BIA) $59,810
140P9726Q0069 - EO 14398 140P9726P0059 · Underwood Federal Solutions LLC · Alaska Region (NPS) $65,000
Recurring ICE machine cleaning and preventative maintenance services. 36C26226P1410 · Inden Solutions Group Inc. · Veterans Integrated Service Network 22 (VHA) $90,712
7901 - FAC/NEC - PWT system install and assessment 19SG2026P0798 · Carolina Water Specialties LLC · US Embassy Dakar (DOS) $41,412
Feedwater tank testing 36C26226P1489 · Yearout Mechanical, LLC / Dba: Welch's Boiler Service, LLC · Veterans Integrated Service Network 22 (VHA) $10,886
Emergency HVAC diagnosis for dennehotso boarding school 140A2326P0328 · B2B Direct Sales, Inc. · Bureau of Indian Education (BIA) $19,794
HVAC troubleshooting for trane units 140A2326P0291 · B2B Direct Sales, Inc. · Bureau of Indian Education (BIA) $4,978
Cross connection survey (FY26) including hydraulic analysis model and UNI-directional flush FA500026F0091 · Citrine LLC · Pacific Air Forces (USAF) $382,253

Latest 10 of 23 awarded in the last 12 months listed here. See the rest on GovTribe.

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $60,043
FY2026 $1,492,343
FY2025 $1,253,066
FY2024 $2,291,815
FY2023 $1,220,904

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 Alaska $447,253
2 Pennsylvania $168,858
3 California $167,082
4 Virginia $91,938
5 Arizona $91,582
6 Utah $76,000
7 Connecticut $65,280
8 Kentucky $55,328
9 Wisconsin $52,066
10 Massachusetts $48,050
11 New York $48,036
12 South Carolina $41,412
13 Washington $32,455
14 Wyoming $32,399
15 New Jersey $23,608
16 Georgia $17,346
17 Idaho $14,760
18 New Mexico $14,719
19 Montana $14,485
20 Nebraska $9,924
21 North Carolina $7,668
22 South Dakota $6,300
23 Maryland $4,550
Show all 23

Shares are of everything obligated under PSC H345 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.

Definition

Includes: Commercial Testing and Laboratory Services

Excludes: Medical and Dental Laboratory Services

Quick answers

What is PSC H345?

PSC H345 is Inspection and Laboratory Services (except medical/dental): Plumbing, Heating, and Waste Disposal Equipment, a service code in PSC H, Quality Control, Test, Inspection.

How many government contracts for plumbing, heating, and waste disposal equipment inspection are there?

1 contract opportunity under PSC H345 is open now, and 5 notices were posted in the last 90 days. Federal agencies awarded 23 contracts under PSC H345 in the last 12 months, obligating $1,500,833.

How much do federal agencies spend under PSC H345?

Federal contracts under PSC H345 obligated $1,253,066 in fiscal year 2025 and $6,318,171 in fiscal years 2023 through 2027.

Who are the largest contractors under PSC H345?

The contractors with the most obligated under PSC H345 in fiscal years 2026 and 2027 are Citrine LLC ($382,253), Caldaia Controls LLC ($123,182) and Cawley Environmental Services Inc. ($117,600).

Which agencies buy the most under PSC H345?

The agencies that obligated the most under PSC H345 in fiscal years 2026 and 2027 are Department of Veterans Affairs ($483,279), Air Force ($392,177) and Department of the Interior ($368,425).

Which NAICS codes are used with PSC H345?

The NAICS codes with the most obligated under PSC H345 in fiscal years 2026 and 2027 are 238220 Plumbing, Heating, and Air-Conditioning Contractors; 541330 Engineering Services; and 561210 Facilities Support Services.

Where is the work under PSC H345 performed?

By place of performance, the states with the most contract obligations under PSC H345 over the last 12 months are Alaska ($447,253), Pennsylvania ($168,858) and California ($167,082).

What is the latest open contract opportunity under PSC H345?

The latest open contract opportunity under PSC H345 is White City, Oregon, Boiler Inspection Services Solicitation Base Year + Four Option Years (offers are now due on 11/13/2026), solicitation from Veterans Integrated Service Network 20 (VHA), posted October 17, 2026.

On GovTribe

See everything under PSC H345

  • Federal contract opportunities, awards and IDVs under this code
  • Funding analysis by contractor, agency and set-aside
  • Contacts who buy under this code
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